Open Source C++ Conferencing Software

Free teleprompter software for all video creators. Built with ease of use, fast performance, control accuracy, and cross-platform support in mind. QPrompt works with studio teleprompters and tablet teleprompters, cellphones, and webcams. It was also designed for use in video conferences.

Jamulus is for playing, rehearsing, or just jamming with your friends, your band or just anyone you find online. Use your Windows, macOS or Linux machine to connect to Jamulus servers worldwide, for free over a normal broadband connection. Or host your own private server. Jamulus is designed for high quality, low-latency sound, making it easy to play together remotely and in time.

wxMUN is a tool for managing Model United Nations debates. It capacities include, but are not limited to, managing committee members and speakers' lists as well as voting procedures.

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

The project has moved! Please find current versions at https://www.gnugk.org/ The GNU Gatekeeper (GnuGk) is a full featured H.323 gatekeeper under GPL license. It supports VoIP and videoconferencing and includes Radius and database support and many call routing functions. The project has moved! Please find current versions at https://www.gnugk.org/

MyPhone is Voice&Video IP Telephony Chat client. It is H323 protocol compatible, based on OpenH323 project (www.openh323.org). Client is written in VC++, using MFC/PWLib libraries, compatible with any reasonable M$Windows version. Freeware&OpenSource

Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.

wxCommunicator is a cross platform SIP softphone written in C++ utilizing customized sipXtapi user agent library and wxWidgets 2.8.9 GUI library. For a list of supported features see http://wxcommunicator.sourceforge.net/features.html .

An Instand Messenger Client for the msn network. It use the KDE Desktop Environment.

Program NetPCLinker is designed for networking, ( communication ) between two computers on a " p2p " (point -> point without the use of servers - intermediaries) . To establish a direct connection between two clients in the network - sufficiently that one of the clients had a "real" static IP address or DNS name to a dynamic IP address, so you can take advantage of VPN networks or IPv6 tunneling. Best choice for small nets. Uses TCP protocol. Warning: For good working, you must to start this program under administrator privilege

This project is the implementation of The Virtual Collaborative Environment (VCE) which supports clinical applications of 3D modeling in medicine. The system is based on three layer client-server architecture.

IHU is a VoIP application for Linux (using Qt and Speex), with low latency, crypted stream, minimal use of bandwith, and without intermediary servers. It is the easiest way to talk real-time with your friends (like phone) on the internet or LAN.

This project develops video conferencing and VoIP applications for Mac OS X. XMeeting is based on the work of the OpenH323 project which provides the libraries for H.323 and SIP support.

CPhone is a cross platform voip client which uses the H323 protocol. It compiles and runs on Linux, BSD, Windows and Mac (OS X) boxes. It is based on the libraries from www.openh323.org and Trolltech.

Mando is a human computer interface using a camera and a projector. The camera is calibrated against a projection area to determine the position of physical pointer(pen, LED, laser pointer light...) which is then used to virtually move X11 pointer. Packages for Ubuntu may be found here: https://launchpad.net/~shoden/+archive/mando

Prototype testbed implementation of the IETF Media Server Control (MEDIACTRL) SIP Control Framework, comprehensive of both control and processing functionality (as in IMS MRF, Media Resource Function).

---The main goal of the VLVC project is to develop a plugin for VideoLan Client in order to add videoconference features to it. ---VLVC consiste à développer un plugin pour VLC ajoutant la fonctionnalité de la vidéoconférence. http://www.vlvc.net

Simple chat server for educational purposes

The Anarchist Tool is an Apache module that provides web-based facilitated discussion and consensus decision making.

Anca is a H.323 client for Qt 3.x. It means that it allows communicating (voice/video) with other similar clients over internet, eg. Gnomemeeting. Its design is minimalist and clean; has a support for embedded devices. It is very modular.

Apreta is about sharing information in real-time meetings. It provides desktop sharing, presentation sharing, a shared whiteboard, and audio conferencing.

Open source, graphical client for G*adu-G*adu IM for BeOS

BetaVerse is a Real-Time 3D On-Line Community. It uses the CrystalSpace 3D Engine as well as the VOS network library

Biwoo is an open-source, cross-platform enterprise communication software. Biwoo support enterprise multi-level departments, project group organization structure. Support P2P AV chat, file send, image send, group chat, offline messages, chat logs.