List of applications/Internet

Internet – Multimedia – Utilities – Documents – Security – Science – Other

Internet

Network managers

• Connman — Daemon for managing internet connections within embedded devices running the Linux operating system. Comes with a command-line client, plus Enlightenment, ncurses, GTK and Dmenu clients are available.

https://01.org/connman || connman

• dhcpcd — RFC2131 compliant DHCP client daemon.

https://roy.marples.name/projects/dhcpcd || dhcpcd

• netctl — Simple and robust tool to manage network connections via profiles. Intended for use with systemd.

https://projects.archlinux.org/netctl.git/ || netctl

• NetworkManager — Manager that provides wired, wireless, mobile broadband and OpenVPN detection with configuration and automatic connection.

https://wiki.gnome.org/Projects/NetworkManager || networkmanager

• systemd-networkd — Native systemd daemon that manages network configuration. It includes support for basic network configuration through udev.

http://www.freedesktop.org/software/systemd/man/systemd-networkd.service.html || systemd

• Wicd — Wireless and wired connection manager with few dependencies. Comes with an ncurses interface, and a GTK interface wicd-gtk is available.

https://launchpad.net/wicd || wicd

• Wifi Radar — WiFi Radar is a Python/PyGTK2 utility for managing wireless (and only wireless) profiles. It enables you to scan for available networks and create profiles for your preferred networks.

http://wifi-radar.tuxfamily.org/ || wifi-radar

See also Network configuration#Network managers and Wireless network configuration#Automatic setup for feature comparisons.

VPN clients

• OpenConnect — Supports Cisco and Juniper VPNs.

http://www.infradead.org/openconnect/ || openconnect

• OpenVPN — To connect to OpenVPN VPNs.

https://openvpn.net/ || openvpn

• PPTP Client — To connect to PPTP VPNs, like Microsoft VPNs (MPPE).

http://pptpclient.sourceforge.net/ || pptpclient

• strongSwan — IPsec-based VPN Solution.

https://www.strongswan.org/ || strongswan

• Vpnc — To connect to Cisco 3000 VPN Concentrators.

https://www.unix-ag.uni-kl.de/~massar/vpnc/ || vpnc

Anonymizing networks

• Freenet — An encrypted network without censorship.

https://freenetproject.org || freenet^AUR

• GNUnet — A framework for secure peer-to-peer networking.

http://gnunet.org || gnunet

• I2P — A distributed anonymous network.

https://geti2p.net || i2p^AUR

• Tor — Anonymizing overlay network.

http://www.torproject.org/ || tor

Web browsers

See also Wikipedia:Comparison of web browsers.

Console

• ELinks — Advanced and well-established feature-rich text mode web browser (Links fork, barely supported since 2009).

http://elinks.or.cz/ || elinks

• Links — Text WWW browser. Includes a console version [links] similar to Lynx, and a graphical X-window/framebuffer version [xlinks -g] (must be compiled in, Arch has both) with CSS, image rendering, pull-down menus.

http://links.twibright.com/ || links

• Lynx — Text browser for the World Wide Web.

http://lynx.invisible-island.net/ || lynx

• w3m — Pager/text-based web browser. It has vim-like keybindings, and is able to display images.

http://w3m.sourceforge.net/ || w3m

Graphical

Gecko-based

See also Wikipedia:Gecko (software).

• Conkeror — Keyboard-based browser modeled after Emacs using XULRunner. Customizable via JavaScript.

http://conkeror.org/ || conkeror^AUR

• Firefox — Extensible browser from Mozilla based on Gecko with fast rendering.

https://mozilla.com/firefox || firefox

• SeaMonkey — Continuation of the Mozilla Internet Suite.

http://www.seamonkey-project.org/ || seamonkey

Firefox spin-offs

• Cliqz — Firefox-based privacy aware web browser.

https://cliqz.com/ || cliqz^AUR or cliqz-bin^AUR

• Cyberfox — Fast and privacy oriented fork of Mozilla Firefox.

https://cyberfox.8pecxstudios.com/ || cyberfox^AUR

• GNU IceCat — A customized build of Firefox ESR distributed by the GNU Project, stripped of non-free components and with additional privacy extensions. Release cycle may be delayed compared to Mozilla Firefox.

https://www.gnu.org/software/gnuzilla/ || icecat^AUR or icecat-bin^AUR

Blink-based

See also Wikipedia:Blink (web engine).

• Chromium — Web browser developed by Google, the open source project behind Google Chrome.

https://www.chromium.org/ || chromium

Chromium spin-offs

• Google Chrome — Proprietary web browser developed by Google.

https://www.google.com/chrome/ || google-chrome^AUR

• Inox — A privacy-focused patchset for Chromium, which disables Google services, proprietary features, prevents "calling home" and unhides all extensions.

https://github.com/gcarq/inox-patchset || inox^AUR or inox-bin^AUR

• Iridium — A privacy-focused patchset for Chromium. See differences from Chromium.

https://iridiumbrowser.de/ || iridium^AUR

• Opera — Proprietary browser developed by Opera Software.

https://opera.com || opera

• Ungoogled Chromium — Modifications to Google Chromium for removing Google integration and enhancing privacy, control, and transparency

https://github.com/Eloston/ungoogled-chromium || ungoogled-chromium^AUR

• Slimjet — Fast, smart and powerful proprietary browser based on Chromium.

http://www.slimjet.com/ || slimjet^AUR

• Vivaldi — An advanced proprietary browser made with the power user in mind.

https://vivaldi.com/ || vivaldi^AUR

• Yandex Browser — Proprietary browser that combines a minimal design with sophisticated technology to make the web faster, safer, and easier.

https://browser.yandex.com/ || yandex-browser-beta^AUR

Browsers based on qt5-webengine

• Konqueror — Web browser based on Qt toolkit and Qt WebEngine (or KHTML layout engine), part of kdebase.

http://konqueror.org/ || konqueror

• Liri Browser — A minimalistic material design web browser written for Liri.

https://github.com/lirios/browser || liri-browser-git^AUR

• Otter Browser — Browser aiming to recreate classic Opera (12.x) UI using Qt5. Experimental support for QtWebEngine is available.

http://otter-browser.org/ || otter-browser^AUR

• Qt WebBrowser — Browser for embedded devices developed using the capabilities of Qt and Qt WebEngine.

http://doc.qt.io/QtWebBrowser/ || qtwebbrowser^AUR

• QupZilla — New and very fast open source browser based on QtWebEngine, written in Qt framework.

http://www.qupzilla.com || qupzilla

• qutebrowser — A keyboard-driven, vim-like browser based on PyQt5 and QtWebKit. Experimental support for QtWebEngine is available.

https://github.com/The-Compiler/qutebrowser || qutebrowser

Other browsers based on Chromium's Content module

• Brave — Web browser that blocks ads and trackers by default. Based on the Muon platform.

https://www.brave.com/ || brave^AUR or brave-bin^AUR

• Min — A smarter, faster web browser based on the Electron platform.

https://minbrowser.github.io/min/ || min

• theWeb — A web browser based on Qt using the Chromium Embedded Framework, with Linux integration (such as MPRIS) in mind.

https://github.com/vicr123/theweb || theweb^AUR

WebKit-based

See also Wikipedia:WebKit.

Note: webkitgtk, webkitgtk2 and qtwebkit-based browsers were removed from the list, because these are today considered insecure and outdated. More info here.

Browsers based on webkit2gtk

• Eolie — Simple web browser for GNOME.

https://gnumdk.github.io/eolie-web/ || eolie^AUR

• GNOME Web — Browser which uses the WebKitGTK+ rendering engine, part of gnome.

https://wiki.gnome.org/Apps/Web/ || epiphany

• Lariza — A simple, experimental web browser using GTK+ 3, GLib and WebKit2GTK+.

https://www.uninformativ.de/projects/lariza/ || lariza^AUR

• Luakit — Fast, small, webkit based browser framework extensible by Lua.

http://luakit.org/ || luakit-git^AUR

• Midori — Lightweight web browser based on GTK+ and WebKit.

http://midori-browser.org/ || midori

• Poseidon — Fast, minimal and lightweight browser.

https://github.com/sidus-dev/poseidon || poseidon^AUR

• Surf — Lightweight WebKit-based browser, which follows the suckless ideology (basically, the browser itself is a single C source file).

http://surf.suckless.org || surf

• Surfer — Simple keyboard based web browser.

https://github.com/nihilowy/surfer || surfer^AUR

• Uzbl — Group of web interface tools which adhere to the Unix philosophy.

http://uzbl.org/ || uzbl-browser

• Vimb — A Vim-like web browser that is inspired by Pentadactyl and Vimprobable.

https://fanglingsu.github.io/vimb/ || vimb-git^AUR

Browsers based on qt5-webkit

• Dooble — A safe WebKit Web browser.

http://dooble.sourceforge.net/ || dooble^AUR

• OSPKit — Webkit based html browser for printing.

http://osp.kitchen/tools/ospkit/ || ospkit-git^AUR

• Otter Browser — Browser aiming to recreate classic Opera (12.x) UI using Qt5.

http://otter-browser.org/ || otter-browser^AUR

• qutebrowser — A keyboard-driven, vim-like browser based on PyQt5 and QtWebKit.

https://github.com/The-Compiler/qutebrowser || qutebrowser

• WCGBrowser — A web browser for kiosk systems.

http://www.alandmoore.com/wcgbrowser/wcgbrowser.html || wcgbrowser-git^AUR

Other

• Dillo — Small, fast graphical web browser built on FLTK. Uses its own layout engine.

http://dillo.org/ || dillo

• NetSurf — Featherweight browser written in C, notable for its slowly developing JavaScript support and fast rendering through its own layout engine.

http://netsurf-browser.org || netsurf

• Pale Moon — A Firefox fork focussing on speed, with a pre-Firefox 29 interface. Uses Goanna layout engine, a fork of Gecko. Firefox add-ons may not be compatible. [1] Without support for newer Firefox features such as cache2, e10s, and OTMC.

http://www.palemoon.org/ || palemoon^AUR

Web servers

See Server#HTTP for more information.

File sharing

Download managers

Console

• Aria2 — Download utility that supports HTTP, FTP, SFTP, BitTorrent and Metalink.

https://aria2.github.io/ || aria2

• cURL — An URL retrieval utility and library. Supports HTTP, FTP and SFTP.

https://curl.haxx.se/ || curl

• LFTP — Sophisticated file transfer program. Supports HTTP, FTP, SFTP, FISH, and BitTorrent.

http://lftp.yar.ru/ || lftp

• snarf — Command-line URL retrieval tool. Supports HTTP and FTP.

http://www.xach.com/snarf/ || snarf

• Wget — A network utility to retrieve files from the Web. Supports HTTP and FTP.

https://www.gnu.org/software/wget/ || wget

Graphical

• FatRat — Download manager with support for HTTP, FTP, SFTP, BitTorrent and Metalink.

http://fatrat.dolezel.info/ || fatrat-git^AUR

• Gwget — Download manager for GNOME. Supports HTTP and FTP.

https://projects.gnome.org/gwget/ || gwget

• KGet — Download manager for KDE. Supports HTTP, FTP, BitTorrent and Metalink. Part of kdenetwork.

http://www.kde.org/applications/internet/kget/ || kdenetwork-kget

• Persepolis — Graphical front-end for aria2 download manager with lots of features. Supports HTTP and FTP.

https://persepolisdm.github.io/ || persepolis^AUR

• Steadyflow — Simple download manager for GNOME. Supports HTTP and FTP.

https://launchpad.net/steadyflow || steadyflow

• uGet — GTK+ download manager featuring download classification and HTML import. Supports HTTP, FTP, BitTorrent and Metalink.

http://ugetdm.com/ || uget

Cloud storage servers

• Nextcloud — A cloud server to store your files centrally on a hardware controlled by you.

https://nextcloud.com || nextcloud

• Seafile — An online file storage and collaboration tool.

https://github.com/haiwen/seafile-server || seafile-server^AUR

File transfer clients

See also Wikipedia:Comparison of FTP client software.

• CurlFtpFS — Filesystem for accessing FTP hosts; based on FUSE and libcurl.

http://curlftpfs.sourceforge.net/ || curlftpfs

• FileZilla — Fast and reliable FTP, FTPS and SFTP client.

http://filezilla-project.org/ || filezilla

• gFTP — Multithreaded FTP client for Linux.

http://gftp.seul.org/ || gftp

• ncftp — A set of free application programs implementing FTP.

http://www.ncftp.com/ || ncftp

• SSHFS — A network filesystem client to connect to SSH (SFTP) servers.

https://github.com/libfuse/sshfs/ || sshfs

• tnftp — FTP client with several advanced features for NetBSD.

http://freecode.com/projects/tnftp || tnftp

Some file managers like Dolphin, GNOME Files and Thunar also provide FTP functionality.

File transfer servers

See also Wikipedia:List of FTP server software.

• bftpd — Small, easy-to-configure FTP server

http://bftpd.sourceforge.net/ || bftpd

• proFTPd — A secure and configurable FTP server

http://www.proftpd.org/ || proftpd^AUR

• Pure-FTPd — Free (BSD-licensed), secure, production-quality and standard-compliant FTP server.

http://www.pureftpd.org/project/pure-ftpd || pure-ftpd^AUR

• vsftpd — Lightweight, stable and secure FTP server for UNIX-like systems.

https://security.appspot.com/vsftpd.html || vsftpd

• SSH — SFTP is a network protocol that provides file access, file transfer, and file management over any reliable data stream.

https://www.openssh.com || openssh

Distributed file systems

• Ceph — Distributed object store and file system designed to provide excellent performance, reliability and scalability.

https://ceph.com/ || ceph

• GlusterFS — Cluster file system capable of scaling to several peta-bytes.

http://www.gluster.org/ || glusterfs

• OpenAFS — Open source implementation of the AFS distributed file system

http://www.openafs.org || openafs^AUR

• Sheepdog — Distributed object storage system for volume and container services and manages the disks and nodes intelligently.

https://sheepdog.github.io/sheepdog/ || not packaged? search in AUR

• Tahoe-LAFS — Tahoe Least-Authority Filesystem is a free and open, secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system.

https://tahoe-lafs.org/ || tahoe-lafs^AUR

• IPFS — A peer-to-peer hypermedia protocol to make the web faster, safer, and more open. IPFS aims replace HTTP and build a better web for all of us. Uses blocks to store parts of a file, each network node stores only content it is interested, provides deduplication, distribution, scalable system limited only by users. (currently in aplha)

https://ipfs.io/ || go-ipfs

BitTorrent clients

See also Wikipedia:Comparison of BitTorrent clients.

Console

Can be used as-is via command line, but all have a choice of front-end options as well.

• aria2 — Lightweight download utility that supports simultaneous adaptive downloading via HTTP(S), FTP, BitTorrent (DHT, PEX, MSE/PE) protocols and Metalink. It can run as a daemon controlled via a built-in JSON-RPC or XML-RPC interface.

http://aria2.sourceforge.net/ || aria2

• Ctorrent — CTorrent is a BitTorrent client implemented in C++ to be lightweight and quick.

http://www.rahul.net/dholmes/ctorrent/ || enhanced-ctorrent^AUR

• MLDonkey — Multi-protocol P2P client that supports BitTorrent, HTTP, FTP, eDonkey and Direct Connect.

http://mldonkey.sourceforge.net/ || mldonkey

• rTorrent — Simple and lightweight ncurses BitTorrent client. Requires libtorrent backend.

https://rakshasa.github.io/rtorrent/ || rtorrent

• Transmission — Simple and easy-to-use BitTorrent client with a daemon version, GTK+, Qt GUI, web and CLI front-ends.

http://transmissionbt.com/ || transmission-cli (includes backend, daemon, command-line interface, and a Web UI interface)

Graphical

libtorrent-rasterbar backend

• Deluge — User-friendly BitTorrent client written in PyGTK that can run as a daemon.

http://deluge-torrent.org/ || deluge

• FatRat — Qt based download manager with support for HTTP, FTP, SFTP, BitTorrent, rapidshare and more. Written in C++.

http://fatrat.dolezel.info/ || fatrat-git^AUR

• qBittorrent — Open source (GPLv2) BitTorrent client that strongly resembles µtorrent.

http://www.qbittorrent.org/ || qbittorrent qbittorrent-nox

• Tribler — 4th generation file sharing system bittorrent client.

http://www.tribler.org || tribler^AUR

Other

• Ktorrent — Feature-rich BitTorrent client for KDE.

https://www.kde.org/applications/internet/ktorrent/ || ktorrent

• Tixati — P2P client that uses the BitTorrent protocol.

http://www.tixati.com || tixati^AUR

• Transmission — Simple and easy-to-use BitTorrent client with daemon version, GTK+, Qt GUI, web and CLI front-ends.

http://transmissionbt.com/ || transmission-gtk transmission-qt transmission-remote-gtk^AUR (remote clients work with the daemon in the -cli package)

• Vuze — Feature-rich BitTorrent client written in Java (formerly Azureus).

https://www.vuze.com/ || vuze^AUR

• Vuze Plus Extreme Mod — A modded version of the Vuze BitTorrent client with multiple spoofing capabilities.

http://www.sb-innovation.de/f41/vuze-extreme-mod-sb-innovation-5-6-1-3-a-32315/ || vuze-extreme-mod^AUR

Other P2P networks

See also Wikipedia:Comparison of eDonkey software.

• aMule — Well-known eDonkey/Kad client with a daemon version and GTK+, web, and CLI front-ends.

http://www.amule.org/ || amule

• KaMule — KDE graphical front-end for aMule.

http://kde-apps.org/content/show.php?content=150270 || kamule^AUR

• MlDonkey — A multi-network P2P client.

http://mldonkey.sourceforge.net/ || mldonkey

• Sendanywhere — GTK2 client for the cross platform P2P file sharing service, Sendanywhere. Allow users to send files of any type and size to other Android, iOS, and Desktop devices.

https://www.send-anywhere.com || sendanywhere^AUR

Video downloaders

• youtube-dl — Download videos from YouTube and many other platforms.

http://rg3.github.io/youtube-dl || youtube-dl

• You-Get — Dumb downloader that scrapes the web.

https://you-get.org/ || you-get

Communication

Email clients

See also Wikipedia:Comparison of email clients

Console

• alot — An experimental terminal MUA based on notmuch mail. It is written in python using the urwid toolkit.

https://github.com/pazz/alot || alot^AUR

• Alpine — Fast, easy-to-use and Apache-licensed email client based on Pine.

http://www.washington.edu/alpine/ || alpine^AUR

• S-nail — a mail processing system with a command syntax reminiscent of ed with lines replaced by messages. Provides the functionality of mailx.

https://www.sdaoden.eu/code.html#s-mailx || s-nail

• mu/mu4e — Email indexer (mu) and client for emacs (mu4e). Xapian based for fast searches.

http://www.djcbsoftware.nl/code/mu/mu4e.html || mu^AUR

• Mutt — Small but very powerful text-based mail client.

http://www.mutt.org/ || mutt

• nmh — A modular mail handling system.

http://www.nongnu.org/nmh/ || nmh^AUR nmh-git^AUR

• notmuch — A fast mail indexer built on top of xapian.

http://notmuchmail.org/ || notmuch notmuch-vim notmuch-mutt

• Sup — CLI mail client with very fast searching, tagging, threading and GMail like operation.

https://sup-heliotrope.github.io/ || sup^AUR

• Wanderlust — Email client and news reader for Emacs.

http://www.gohome.org/wl/ || wanderlust

Graphical

• Astroid — A lightweight and blazingly fast e-mail client for Notmuch. Written using C++ and the GTK+ toolkit.

https://github.com/astroidmail/astroid || astroid^AUR

• Balsa — Simple and light email client for GNOME.

http://pawsa.fedorapeople.org/balsa/ || balsa

• Claws Mail — Lightweight GTK-based email client and news reader.

http://claws-mail.org/ || claws-mail

• Evolution — Mature and feature-rich e-mail client that is part of the GNOME project. Part of gnome-extra.

https://wiki.gnome.org/Apps/Evolution || evolution

• Geary — Simple desktop mail client built in Vala.

https://wiki.gnome.org/Apps/Geary || geary

• Kmail — Mature and feature-rich email client. Part of kdepim.

http://kde.org/applications/internet/kmail/ || kmail

• Nylas Mail — A new mail client, built on the modern web and designed to be extended.

https://www.nylas.com/nylas-mail/ || nylas-mail-bin^AUR, nylas-mail-git^AUR

• openWMail — The missing desktop client for Gmail & Google Inbox.

https://openwmail.github.io/ || openwmail^AUR

• Roundcubemail — Browser-based multilingual IMAP client with a native application-like user interface.

http://roundcube.net/ || roundcubemail

• SeaMonkey Mail & Newsgroups — Email client included in the SeaMonkey suite.

http://www.seamonkey-project.org/ || seamonkey

• Sylpheed — Lightweight and user-friendly GTK+ email client.

http://sylpheed.sraoss.jp/en/ || sylpheed

• Thunderbird — Feature-rich email client from Mozilla written in GTK+.

http://www.mozilla.org/thunderbird/ || thunderbird

• Trojitá — Qt IMAP email client. Only supports one IMAP account.

http://trojita.flaska.net/ || trojita

• Wavebox — The next generation of web-desktop communication (non free, trial Pro for 14 days).

https://wavebox.io/ || wavebox-bin^AUR

Mail servers

See also Wikipedia:Comparison of e-mail servers.

• Dovecot — An IMAP and POP3 server written with security primarily in mind.

http://dovecot.org/ || dovecot

Instant messaging

See also Wikipedia:Comparison of instant messaging protocols.

This section lists all software with instant messaging support. Particularly, that are client and server applications.

IRC clients

See also Wikipedia:Comparison of Internet Relay Chat clients.

Note: There are IRC web interfaces and many IM clients also support IRC.

Console

• BitchX — Console-based IRC client developed from the popular ircII.

http://www.bitchx.org/ || bitchx-git^AUR

• ERC — Powerful, modular, and extensible IRC client for Emacs.

http://savannah.gnu.org/projects/erc/ || included with emacs

• ii — Featherweight IRC client, literally tail -f the conversation and echo back your replies to a file.

http://tools.suckless.org/ii || ii^AUR

• Ircfs — File system interface to IRC written in Limbo.

http://www.ueber.net/code/r/ircfs || Template:AUR?

• Irssi — Highly-configurable ncurses-based IRC client.

http://irssi.org/ || irssi

• ScrollZ — Advanced IRC client based on ircII.

http://www.scrollz.info/ || scrollz^AUR

• sic — Extremely simple IRC client, similar to ii.

http://tools.suckless.org/sic || sic^AUR

• WeeChat — Modular, lightweight ncurses-based IRC client.

http://weechat.org/ || weechat

Graphical

• ChatZilla — Clean, easy to use and highly extensible Internet Relay Chat (IRC) client, built on the Mozilla platform using XULRunner.

http://chatzilla.hacksrus.com/ || chatzilla^AUR

• HexChat — Fork of XChat for Linux and Windows.

http://hexchat.github.io/ || hexchat

• Konversation — Qt-based IRC client for the KDE desktop.

http://konversation.kde.org/ || konversation

• KVIrc — Qt-based IRC client featuring extensive themes support.

http://kvirc.net/ || kvirc

• Loqui — GTK+ IRC client with only one dependency: GNet.

https://launchpad.net/loqui || loqui^AUR

• LostIRC — Simple GTK+ IRC client with tab-autocompletion, multiple server support, logging and others.

http://lostirc.sourceforge.net || lostirc^AUR

• Polari — Simple IRC client by the GNOME project.

https://wiki.gnome.org/Apps/Polari/ || polari

• Quassel — Modern, cross-platform, distributed IRC client.

http://quassel-irc.org/ || quassel-core quassel-client quassel-monolithic

• Smuxi — Cross-platform IRC client that also supports Twitter, Google Talk and Jabber / XMPP.

https://smuxi.im/ || smuxi

XMPP (Jabber) clients

See also Wikipedia:XMPP and Wikipedia:Comparison of instant messaging clients#XMPP-related features.

Console

• Freetalk — Console-based Jabber client.

https://gnu.org/s/freetalk/ || freetalk

• jabber.el — Minimal Jabber client for Emacs.

http://emacs-jabber.sourceforge.net/ || emacs-jabber^AUR

• MCabber — Small Jabber console client, includes features: SSL, PGP, MUC, OTR, and UTF8.

http://mcabber.com/ || mcabber

• Poezio — XMPP client with IRC feeling

https://poez.io/ || poezio^AUR

• Primitivus — Console frontend for Salut à Toi, multi-purpose XMPP client

https://salut-a-toi.org || sat-primitivus^AUR

• Profanity — A console based Jabber client inspired by Irssi.

http://www.profanity.im/ || profanity

• sat-jp — CLI frontend for Salut à Toi, multi-purpose XMPP client

https://salut-a-toi.org || sat-jp^AUR

• xmpp-client — A minimalist XMPP client with OTR support.

https://github.com/agl/xmpp-client || go-xmpp-client^AUR

Graphical

• Gajim — Jabber client written in PyGTK.

https://gajim.org/ || gajim

• Psi — Qt-based Jabber client which supports video conferencing.

http://psi-im.org/ || psi-git^AUR psimedia^AUR

• Psi+ — Enhanced version of the Psi Jabber client with many new features.

http://psi-plus.com/ || psi-plus-git^AUR

• Tkabber — Easy to hack feature-rich XMPP client by the author of the ejabberd XMPP server.

http://tkabber.jabber.ru/ || tkabber

XMPP servers

See also Wikipedia:Comparison of XMPP server software.

• Prosody — An XMPP server written in the Lua programming language. Prosody is designed to be lightweight and highly extensible. It is licensed under a permissive MIT license.

http://prosody.im/ || prosody

• Ejabberd — Jabber server written in Erlang

http://www.ejabberd.im/ || ejabberd

• Jabberd2 — An XMPP server written in the C language and licensed under the GNU General Public License. It was inspired by jabberd14.

http://jabberd2.org || jabberd2^AUR

• Openfire — An XMPP IM multiplatform server written in Java

http://www.igniterealtime.org/projects/openfire/ || openfire

Other

• Ricochet — Anonymous peer-to-peer instant messaging system built on Tor hidden services.

https://ricochet.im/ || ricochet^AUR

• Synapse — Reference homeserver for the matrix protocol.

https://github.com/matrix-org/synapse || matrix-synapse

Multi-protocol clients

See also Wikipedia:Comparison of instant messaging clients.

Note: All messengers, that support several networks by means of direct connections to them, belong to this section.

Many clients listed here (including Pidgin and all its forks) support multiple IM networks via libpurple. The number of networks supported by these clients is very large but they (like any multiprotocol clients) usually have very limited or no support for network-specific features.

Console

• BarnOwl — Ncurses-based chat client with support for the Zephyr, AIM, Jabber, IRC, and Twitter protocols.

http://barnowl.mit.edu/ || barnowl^AUR

• Bitlbee — IRC client that provides a gateway to popular chat networks (XMPP, MSN, Yahoo, AIM, ICQ and Twitter).

http://bitlbee.org/ || bitlbee

• CenterIM — Fork of CenterICQ, a text mode menu- and window-driven IM interface.

http://centerim.org/ || centerim

• Finch — Ncurses-based chat client that uses libpurple and supports all its protocols.

http://developer.pidgin.im/wiki/Using%20Finch || finch

• naim — Ncurses chat client with support for AOL, ICQ, IRC and the Lily CMC.

http://naim.n.ml.org/ || naim

• pork — Programmable, ncurses-based AIM and IRC client that mostly looks and feels like ircII.

http://dev.ojnk.net/ || pork

• Tox — Tox is a distributed, secure messenger with audio and video chat capabilities.

https://tox.chat/ || see Tox

Graphical

• Empathy — GNOME instant messaging client using the Telepathy framework.

https://wiki.gnome.org/Apps/Empathy || empathy

• Instantbird — Multi-protocol chat client using Mozilla's XUL and libpurple.

http://instantbird.com/ || instantbird^AUR

• Kopete — User-friendly IM supporting AIM, ICQ, Yahoo, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and other IM networks. Part of kdenetwork.

http://kopete.kde.org/ || kdenetwork-kopete

• KDE Telepathy — KDE instant messaging client using the Telepathy framework. Meant as a replacement for Kopete.

http://community.kde.org/Real-Time_Communication_and_Collaboration/ || telepathy-kde-meta

• Licq — Instant messaging client for UNIX supporting multiple protocols (currently ICQ, MSN and Jabber).

http://www.licq.org || licq

• Mikutter — An open-source Twitter client using GTK+ and Ruby.

http://mikutter.hachune.net/ || mikutter^AUR mikutter-git^AUR

• Pidgin — Multi-protocol instant messaging client.

http://pidgin.im/ || pidgin pidgin-light^AUR

• qutIM — Simple and user-friendly IM supporting ICQ, Jabber, Mail.Ru, IRC and VKontakte messaging.

http://qutim.org/ || qutim^AUR

Lan messengers

See also: Comparison of LAN messengers.

• iptux — Lan communication software, compatible with IP Messenger.

https://github.com/iptux-src/iptux || iptux^AUR

VoIP / Softphone

See also Wikipedia:Comparison of VoIP software and Wikipedia:List of SIP software.

Clients

Note: Some IM clients also offer voice and video communication

SIP

• Blink — State of the art, easy to use SIP client.

http://icanblink.com/ || blink^AUR

• Ekiga — VoIP and video conferencing application with full SIP and H.323 support (formerly known as GNOME Meeting).

http://www.ekiga.org/ || ekiga

• Empathy — GNOME instant messenger client using the Telepathy framework with SIP support (using the Sofia-SIP library).

https://wiki.gnome.org/Apps/Empathy || empathy

• Jitsi — Audio/video SIP VoIP phone and instant messenger written in Java (formerly SIP-Communicator).

https://jitsi.org/ || jitsi^AUR

• KPhone — Qt SIP User Agent with voice, video and text messaging support.

http://sourceforge.net/projects/kphone/ || Template:AUR?

• Linphone — VoIP phone application for communicating freely with people over the internet, with voice, video, and text instant messaging.

http://www.linphone.org/ || linphone

• Twinkle — Qt softphone for VoIP and IM communication using SIP.

http://www.twinklephone.com/ || twinkle^AUR

• X-Lite — Proprietary freeware VoIP soft phone that uses SIP.

http://www.counterpath.com/x-lite/ || xlite_bin^AUR

Other

• Skype — Popular but proprietary application for voice and video communication.

https://www.skype.com/ || skype^AUR or skypeforlinux^AUR

• Hangups — A third-party instant messaging client for Google Hangouts

https://github.com/tdryer/hangups || hangups-git^AUR

• Mumble — Voice chat application similar to TeamSpeak.

http://mumble.sourceforge.net/ || mumble

• TeamSpeak — Proprietary VoIP application with gamers as its target audience.

http://www.teamspeak.com/ || teamspeak3

• Discord — All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone.

https://discordapp.com/ || discord^AUR

• GameVox — Voice communication for your gaming community, partly based on Mumble source code.

https://www.gamevox.com/ || gamevox^AUR

Multi-protocol

• Ring — Open-source SIP/IAX2 compatible softphone with PulseAudio support (formerly known as SFLphone).

https://ring.cx/ || ring-daemon^AUR

Voice servers

• Murmur — The voice chat application server for Mumble.

http://mumble.sourceforge.net/ || murmur

Utilities

• SIPp — Open source test tool and traffic generator for the SIP protocol.

http://sipp.sourceforge.net/ || sipp^AUR

News, RSS, and blogs

News aggregators

See also Wikipedia:Comparison of feed aggregators.

Console

• Canto — Ncurses RSS aggregator.

http://codezen.org/canto/ || canto-next-git^AUR

• Gnus — Email, NNTP and RSS client for Emacs.

http://gnus.org/ || emacs

• Newsbeuter — Ncurses RSS aggregator with layout and keybinding similar to the Mutt email client.

http://newsbeuter.org || newsbeuter

• Rawdog — "RSS Aggregator Without Delusions Of Grandeur" that parses RSS/CDF/Atom feeds into a static HTML page of articles in chronological order.

http://offog.org/code/rawdog.html || rawdog

• Snownews — Text mode RSS news reader.

http://kiza.kcore.de/software/snownews/ || snownews

Graphical

• Akregator — News aggregator for KDE, part of kdepim.

http://kde.org/applications/internet/akregator/ || akregator

• Blam — Simple newsreader for GNOME written in C Sharp.

https://git.gnome.org/browse/blam || blam^AUR

• Evolution RSS — Plugin for Evolution Mail that enables reading of RSS/RDF/ATOM feeds.

http://gnome.eu.org/index.php/Evolution_RSS_Reader_Plugin || evolution-rss

• Liferea — GTK+ news aggregator for online news feeds and weblogs.

http://liferea.sourceforge.net || liferea

• RSS Guard — Very tiny RSS and ATOM news reader developed using Qt framework.

https://github.com/martinrotter/rssguard || rssguard^AUR

• RSSOwl — Powerful aggregator for RSS and Atom feeds, written in Java using Eclipse Rich Client Platform and SWT as a widget toolkit.

http://boreal.rssowl.org || rssowl^AUR

• SeaMonkey Mail & Newsgroups — Email client included in the SeaMonkey suite which also functions as a pretty nice news aggregator.

http://www.seamonkey-project.org/ || seamonkey

• Thunderbird — Email client from Mozilla which also functions as a pretty nice news aggregator.

http://www.mozilla.org/thunderbird/ || thunderbird

• Tickr (formerly News) — GTK-based RSS Reader that displays feeds as a smooth scrolling line on your Desktop, as known from TV stations.

http://newsrssticker.com/ || tickr^AUR

• Urssus — Cross platform GUI news aggregator.

https://code.google.com/archive/p/urssus/ || urssus^AUR

• QuiteRSS — RSS/Atom feed reader written on Qt/С++.

http://quiterss.org/ || quiterss^AUR

Podcast clients

• gPodder — A podcast client and feed aggregator (GTK+ and CLI interface).

http://gpodder.org/ || gpodder3^AUR

• Greg — A command-line podcast aggregator.

https://github.com/manolomartinez/greg || greg-git^AUR

• Marrie — A simple podcast client that runs on the Command Line Interface.

https://github.com/rafaelmartins/marrie/ || marrie-git^AUR

• Vocal — Simple Podcast Client for the Modern Desktop (GTK+).

https://launchpad.net/vocal || vocal^AUR

Usenet newsreaders & newsgrabbers

Some email clients also support NNTP. This section mainly lists NNTP-only client.

See also: Wikipedia:List of Usenet newsreaders, Wikipedia:Comparison of Usenet newsreaders.

• lottanzb — A SABnzbd+ (Usenet binary downloader) GUI front-end written in PyGTK

http://www.lottanzb.org/ || lottanzb^AUR

• nn — Alternative more user-friendly(curses-based) Usenet newsreader for UNIX.

http://www.nndev.org/ || nn^AUR

• NZBGet — CLI Utility to grab Usenet binary file using .nzb files.

http://nzbget.sourceforge.net/ || nzbget

• pan — A GTK2 Usenet newsreader that's good at both text and binaries.

http://pan.rebelbase.com/ || pan

• SABnzbd — SABnzbd is an open-source binary newsreader written in Python.

https://sabnzbd.org/ || sabnzbd^AUR sabnzbd-git^AUR

• tin — A cross-platform threaded NNTP and spool based UseNet newsreader.

http://tin.org/ || tin^AUR

• trn — A text-based Threaded Usenet newsreader.

http://trn.sourceforge.net/ || trn^AUR

• xrn — Usenet newsreader for X Window System.

http://www.mit.edu/people/jik/software/xrn.html || xrn^AUR

Blog engines

See also Wikipedia:Blog software and Wikipedia:List of content management systems.

Note: Content managers, social networks, and blog publishers overlap in many functions.

• Diaspora — A distributed privacy aware social network.

https://diasporafoundation.org || diaspora-mysql^AUR or diaspora-postgresql^AUR

• Drupal — A PHP-based content management platform.

http://www.drupal.org/ || drupal

• Ghost — Blogging platform written in JavaScript and distributed under the MIT License, designed to simplify the process of online publishing for individual bloggers as well as online publications.

https://ghost.org/ || ghost^AUR

• Jekyll — A static blog engine, written in Ruby, which supports Markdown, textile and other formats.

http://jekyllrb.com/ || ruby-jekyll^AUR

• Joomla — A php Content Management System (CMS) which enables you to build websites and powerful online applications.

http://www.joomla.org/ || joomla^AUR

• Nanoblogger — A small weblog engine written in Bash for the command line. It uses common UNIX tools such as cat, grep, and sed to create static HTML content. It is not mantained anymore.

http://nanoblogger.sourceforge.net/ || nanoblogger

• Nikola — A static site generator written in Python, with incremental rebuilds and multiple markup formats.

https://getnikola.com/ || python-nikola^AUR

• Pelican — A static site generator, powered by Python.

http://docs.getpelican.com/en/3.5.0/ || pelican

• Wordpress — Blog tool and publishing platform.

https://wordpress.org/ || wordpress

Microblogging clients

See also Wikipedia:List of Twitter services and applications.

• Birdie — A beautiful Twitter client for GNU/Linux.

http://birdieapp.github.io/ || birdie-git^AUR

• Choqok — Microblogging client for KDE that supports Twitter.com, Pump.io, GNU social and opendesktop.org services.

http://choqok.gnufolks.org/ || choqok

• Corebird — Native Gtk+ Twitter client for the Linux desktop.

http://corebird.baedert.org/ || corebird^AUR

• Polly — Linux Twitter client designed for multiple columns of multiple accounts.

https://launchpad.net/polly/ || polly^AUR

• Pumpa — Pump.io client written in C++ and Qt.

https://pumpa.branchable.com/ || pumpa-git^AUR

• Rainbowstream — A powerful and fully-featured console Twitter client written in Python.

http://www.rainbowstream.org/ || rainbowstream^AUR

• ttytter — Easily scriptable Twitter client written in Perl.

http://www.floodgap.com/software/ttytter/ || ttytter^AUR

• Turpial — Multi-interface Twitter client written in Python.

https://github.com/satanas/Turpial || turpial-git^AUR

• turses — Twitter client for the console based off tyrs with major improvements.

http://turses.rtfd.org/ || turses^AUR

Remote desktop

See also Wikipedia:Remote desktop software and Wikipedia:Comparison of remote desktop software.

Remote desktop clients

• GNOME Boxes — A simple GNOME 3 application to access remote or virtual systems. Supports VNC and SPICE.

https://wiki.gnome.org/Apps/Boxes || gnome-boxes

• GVncViewer — Simple VNC Client on Gtk-VNC.

https://wiki.gnome.org/Projects/gtk-vnc || gtk-vnc

• KRDC — Remote Desktop Client for KDE. Supports RDP and VNC. Part of kdenetwork.

https://www.kde.org/applications/internet/krdc/ || krdc

• Remmina — Remote desktop client written in GTK+. Supports RDP, VNC, NX, XDMCP and SSH.

http://www.remmina.org/ || remmina

• TeamViewer — Proprietary remote desktop client. It uses its own proprietary protocol.

http://www.teamviewer.com/ || teamviewer^AUR

• vncviewer (TigerVNC) — VNC viewer for X.

http://tigervnc.org/ || tigervnc

• Vinagre — Remote desktop viewer for GNOME. Supports RDP, VNC, SPICE and SSH. Part of gnome-extra.

https://wiki.gnome.org/Apps/Vinagre || vinagre

• xfreerdp — FreeRDP X11 client.

http://www.freerdp.com/ || freerdp

• X2Go Client — A graphical client (Qt4) for the X2Go system that uses the NX technology protocol.

http://wiki.x2go.org/doku.php || x2goclient

Remote desktop servers

• Krfb — VNC server for KDE. Part of kdenetwork.

https://www.kde.org/applications/system/krfb || krfb

• Vino — VNC server for GNOME. Part of gnome.

https://wiki.gnome.org/Projects/Vino || vino

• x0vncserver (TigerVNC) — VNC Server for X displays.

http://tigervnc.org/ || tigervnc

• x11vnc — VNC server for real X displays.

http://www.karlrunge.com/x11vnc/ || x11vnc

• X2Go Server — An open source remote desktop software that uses the NX technology protocol.

http://wiki.x2go.org/doku.php || x2goserver

Pastebin clients

See also Wikipedia:Pastebin.

Pastebin services are often used to quote text or images while collaborating and troubleshooting. Pastebin clients provide a convenient way to post from the command line.

Tip: You can access the ptpb.pw, sprunge.us and ix.io pastebins using curl. For example pipe the output of a command to ptpb:

command | curl -F c=@- https://ptpb.pw 

or upload a file (including images):

curl -F c=@- https://ptpb.pw < file

Note: pastebin.com is blocked for some people and has a history of annoying issues (javascript, adverts, poor formatting, etc). Do not use it.

• Elmer — Pastebin client similar to wgetpaste and curlpaste, except written in Perl and usable with wget or curl. Servers: codepad.org, rafb.me, sprunge.us.

https://github.com/sudokode/elmer || elmer^AUR

• Fb-client — Client for the paste.xinu.at pastebin.

http://paste.xinu.at || fb-client

• Gist — Command-line interface for the gist.github.com pastebin service.

https://github.com/defunkt/gist || gist

• imgur — A CLI client which can upload image to imgur.com image sharing service.

http://imgur.com/apps || imgur^AUR

• Ix — Client for the ix.io pastebin.

http://ix.io || ix^AUR

• Pastebinit — Really small Python script that acts as a Pastebin client. Servers: pastie.org, paste.kde.org, paste.debian.net, paste.ubuntu.com and others (for a full list see pastebinit -l).

http://launchpad.net/pastebinit || pastebinit

• paste-binouse — C++ standalone pastebin web server

https://github.com/abique/paste-binouse || paste-binouse-git^AUR

• pbpst — A small tool to interact with pb instances (eg ptpb.pw).

https://github.com/HalosGhost/pbpst || pbpst pbpst-git^AUR

• ruby-haste — Client for hastebin.com.

https://github.com/seejohnrun/haste-client || ruby-haste^AUR ruby-haste-git^AUR

• Uppity — The pastebin client with an attitude.

https://github.com/Kiwi/Uppity || uppity-git^AUR

• Wgetpaste — Bash script that automates pasting to a number of pastebin services. Servers: pastebin.ca, codepad.org, dpaste.com and pastebin.osuosl.org.

http://wgetpaste.zlin.dk/ || wgetpaste

Bitcoin

See Bitcoin#Bitcoin software.