Open Source Linux Conferencing Software

Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.

Element, formerly known as Vector and Riot, is a glossy Matrix collaboration client built using the Matrix React SDK. It offers teams, friends and organizations a secure, all in one chat app that is protected from pesky ads and data mining methods. All communications are done through the open global Matrix network, secured with end-to-end encryption. Element gives you all the services you need from a chat app: group chat, video calls, file sharing and more-- all done securely and in total privacy. Element has three different tiers of support for different environments, the most supported being the latest versions of Chrome, Firefox, and Safari on desktop OSes.

Nextcloud Talk is the official chat, video and audio conferencing app for Nextcloud that allows users to chat, call and screenshare with multiple other users. Nextcloud offers better protection for your communication as it provides end-to-end encryption and keeps even metadata from leaking. You can have private, group, public or password protected calls by simply inviting one person, a whole group, or sending a public link as an invitation to a call. It is also conveniently integrated with other Nextcloud apps like Files and Contacts, so you can share and edit documents, link with calendars, tasks and other resources while in a chat room.

Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.

Zulip is a powerful open source group chat application that combines the immediacy of real-time chat with the productivity benefits of a threaded conversation model. Zulip’s unique threading model allows users to easily catch up on important conversations, helping to save time and increase productivity.

WASTE is a mesh-based workgroup tool that allows for encrypted, private communication between distant parties on the internet, independant of local network organization.

Unofficial fork of the GyachE (www.phrozensmoke.com), intended for bug-fixes and further development.

See http://silcnet.org/ for detailed information. SILC provides common chat and conferencing services like private messages, instant messages, channels and groups, and video and audio conferencing. The main difference to other protocols is that SILC has been designed with security as its main feature. All packets and messages sent in SILC network are always encrypted. Private messages are encrypted end-to-end, channel message are encrypted with channel-wide secret key and secure file transfer is protected peer-to-peer.

This is a web based instant 1 on 1 private online video conferencing solution. It's a solution for conducting easy to setup face to face meetings without leaving your office or home. It's the easiest and most cost-effective way to meet somebody and discuss one on one, to make a video call just by providing a private room access link.

VoiceChatter is a free, open source, and cross platform voice chat application. It is built for gaming, so it is light weight, yet delivers excellent voice quality over minimal bandwidth and latency. For more, visit http://www.voicechatter.net

A fork of WASTE 1.5.0.408 beta 3 starting form 1.5.1.412 beta 3

VoxShare is a simple Python-based push-to-talk multicast voice chat application with a sleek modern GUI built using CustomTkinter. Provided as python source code or compiled standalone windows application (no need to install anything).

MOVED: This project has moved to https://github.com/Frug/AJAX-Chat AJAX Chat is a fully customizable web chat implemented in JavaScript, PHP and MySQL which integrates nicely with common forum systems like phpBB, MyBB, PunBB, SMF and vBulletin. A Flash and Ruby based socket connection can be used to boost performance.

Random Webcam Video Chat key features: + Facebook integration (exclusive mode supported) + Filters: users choose their chat partners by gender, location + Cirrus independent (can stream using rtmp server) + Logs including text chat and webcam snapshots, log comments + Latest girls and boys (with profile links for members) + Monetization: ads inside chat (supports rotator and paid cam site feeds) Sites with similar concept and features: ChatRoulette, Omegle, ChatRT, ChatRevolve, FaceBuzz, RandomCams, t.vu (ChatRoulette mirror), FlipChat, HeyPeople , StirChat, FaceBuzz, ChatHopper, ShufflePeople, CamStumble, HeyReddit, Zupyo, TinyChat, Stickam-Shuffle, anoChat, videoEncounter, FaceRoulette, NastySpace, ZapandTalk , patchRoulette, ChatRevolve, ChatPig (German), RanChat (South Korea), VdChat (Chinese), Catpapo (Brazil), Tipitty (Spanish), CamToya (français), MoveYourCam (français), ChatClock, RudeRoulette, ManRoulette. Demo live site: http://www.videoencounter.com/

Sofia-SIP - a RFC3261 compliant SIP User-Agent library.

The Collaborative Virtual Workspace is a software environment that provides a "virtual building" where teams can communicate, collaborate, and share information, regardless of their geographic location. For documentation, see the "Home Page" link above.

Novus Ordo Seclorum (Ordo for short) is a pathologically secured, invitation only secure communications framework. It is built on top of the Freenet crypto libraries.

PHPOpenChat is a web-based chat engine written in PHP. It provides mail, moderating, watch server, privat channels, ignore list, text filters, inline user images and a easy to handle admin tool. Try out at http://www.schulhofchat.de/

QFE is full-featured cross-platform FTN message editor with a graphical interface. It written on C++/Qt and does not depend on either KDE, Gnome or other window managers. All operations with FIDO message base use fidoconfig library from HUSKY project.

Simple, small, secure web conferencing on any platform that supports Java.

THIS PROJECT HAS MOVED Please visit https://github.com/obriencj/meanwhile The Meanwhile project is an open implementation of the Lotus Sametime client protocol. The project provides a library written in C, a python module, and a Gaim plugin utilizing the library.

The xiffian project is a chat application made in ActionScript (flash) using a jabber (jabberd, jive...) server and the XIFF Library.

ARSC is a webchat system that uses PHP and MySQL and allows comfortable chatting with every browser on the surface of this planet, using JavaScript, frames HTML streaming for modern browsers down to a one-page reload-yourself version for text browsers.

Intelligere SCS is a collaboration system with an integrated web conference system ideal for virtual classroom, e-learning and video conference. In order to view an on-line demo use this address http://tinyurl.com/scsdemo (user and pass 'sfguest').

An initiative to create something similar to the windows program Roger Wilco, Teamspeak, BattleCom and Speak Freely, allowing users from different platforms talk with each other in real time with minimal CPU and bandwidth usage. Voice chat.....