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.

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

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/

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

Dimdim is an open source web meeting product with features like Application, Desktop and Presentation sharing with A/V streaming and chat. No attendee installation - all features are available through a web browser. Dimdim can be integrated with Moodle.

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

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

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.

---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

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.

A C++ framework utilizing Design Patterns for creating Linux and Windows communications applications that contain Dialogic® products. Includes media and network classes (analog, digital, SIP, H323), multithreaded event handling, distributed app support.

A MSN Messenger client written in C++, using the Qt toolkit. Distributed under the BSD license.

The Open Source Bot Project, or OSB, is an IRC bot written in C++ whose goal is to be as open and dynamic as possible. It will support dynamic module loading as well as a simple yet powerful scripting language. Even the base bot commands are just modules

Bring the power of Internet to your community! p2pCommunity features a community-based, secure way to interact over the Internet. Chat with other people, share files and, coming soon, make audio and video conferencies. Check the website for details.

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.

Bombyx is a graphical client for the Secure Internet Live Conferencing (SILC) system from www.silcnet.org. It is intended to be easy to use, and tries to break away from the typical IRC client model.