Browse free open source Conferencing software and projects below. Use the toggles on the left to filter open source Conferencing software by OS, license, language, programming language, and project status.

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  • 1
    Element Android

    Element Android

    A glossy Matrix collaboration client for Android

    Element Android is a glossy Matrix collaboration client for Android, based on a new Android SDK fully written in Kotlin. A total rewrite of Riot-Android, Element is an all-in-one secure chat app made possible through the open global Matrix network. It is a messenger that allows users to talk to anyone regardless of their app, while providing unparalleled privacy and security. It protects conversations from data-mining and ads with proper end-to-end encryption, so you can feel totally secure. Element is used by millions all over the world for their business, organizations, and even for personal and home use. It is part of the Matrix ecosystem, which is an open network for secure, decentralised communication governed by The Matrix.org Foundation.
    Downloads: 16 This Week
    Last Update:
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  • 2
    Element

    Element

    A glossy Matrix collaboration client for the web

    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.
    Downloads: 11 This Week
    Last Update:
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  • 3
    Tox

    Tox

    A New Kind of Instant Messaging

    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.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 4
    Zulip

    Zulip

    Powerful open source team chat application

    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.
    Downloads: 3 This Week
    Last Update:
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  • 5
    Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.
    Downloads: 12 This Week
    Last Update:
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  • 6
    Nextcloud Talk

    Nextcloud Talk

    Video- & audio-conferencing app for Nextcloud

    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.
    Downloads: 2 This Week
    Last Update:
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  • 7
    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
    Downloads: 7 This Week
    Last Update:
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  • 8
    Secure Internet Live Conferencing

    Secure Internet Live Conferencing

    Secure chat and conferencing protocol

    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.
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    Downloads: 11 This Week
    Last Update:
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  • 9
    PHP 2 Way Webcam Video Chat

    PHP 2 Way Webcam Video Chat

    1 on 1 Webcam Videochat Script with P2P Support

    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.
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    Downloads: 6 This Week
    Last Update:
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  • 10
    A fork of WASTE 1.5.0.408 beta 3 starting form 1.5.1.412 beta 3
    Downloads: 3 This Week
    Last Update:
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  • 11
    Sofia-SIP - a RFC3261 compliant SIP User-Agent library.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 12
    voxshare_gui

    voxshare_gui

    *VoxShare* is a simple Python-based push-to-talk multicast voice chat

    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).
    Downloads: 8 This Week
    Last Update:
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  • 13

    AJAX Chat - Open Source Web Chat

    Fully customizable web chat created using AJAX.

    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.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    PHP Random Videochat Roulette

    PHP Random Videochat Roulette

    PHP random webcam chatroulette script.

    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/
    Downloads: 2 This Week
    Last Update:
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  • 15
    TIPcon1 is a standards-compliant soft phone using text, voice and video with accessibility features.
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    Downloads: 4 This Week
    Last Update:
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  • 16
    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.
    Downloads: 2 This Week
    Last Update:
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  • 17

    Meanwhile

    Open implementation of the Lotus Sametime protocol

    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.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    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
    Downloads: 1 This Week
    Last Update:
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  • 19
    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
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    The xiffian project is a chat application made in ActionScript (flash) using a jabber (jabberd, jive...) server and the XIFF Library.
    Downloads: 2 This Week
    Last Update:
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  • 21
    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.....
    Downloads: 1 This Week
    Last Update:
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  • 22
    A fully perl written sofware for windows (also stand alone binary code included, so it does not require perl installation to use it) to receive short messages (SMS) sent by mobilephone.
    Downloads: 1 This Week
    Last Update:
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  • 23
    Real-Time Collaboration (RTC) and conferencing project. This product has been deprecated. Please see the replacement product, CoolCollaborator, at http://coolcollaboratr.sourceforge.net/
    Downloads: 1 This Week
    Last Update:
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  • 24
    A MSN Messenger client written in C++, using the Qt toolkit. Distributed under the BSD license.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Help Center Live is a Live Support tool written in PHP, using a MySql database, that allows visitors on a webste to hold a conversation in real time with a representative of the website. *** VISIT HTTP://WWW.HELPCENTERLIVE.COM FOR DOWNLOADS ***
    Downloads: 1 This Week
    Last Update:
    See Project
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