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
    QPrompt

    QPrompt

    Personal teleprompter software for all video makers.

    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.
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    Downloads: 1,460 This Week
    Last Update:
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  • 2
    Imaginary Teleprompter

    Imaginary Teleprompter

    Free teleprompter software

    Free teleprompter software. Built with web technologies so its easy to customize. Features include: mirroring, dual-screen support, rich text editing, image support, custom styles, and auto-save.
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    Downloads: 273 This Week
    Last Update:
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  • 3
    SSVNC adds encryption security to VNC. It provides a GUI for Windows, MacOSX, and Unix that automatically starts up an SSL or SSH tunnel for connections to any VNC server. It also supports VeNCrypt encryption. The Unix viewer has many new features.
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    Downloads: 106 This Week
    Last Update:
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  • 4
    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: 17 This Week
    Last Update:
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  • 5
    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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  • 6
    Jamulus - Internet Jam Session Software

    Jamulus - Internet Jam Session Software

    Play music online. With friends. For free.

    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.
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    Downloads: 43 This Week
    Last Update:
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  • 7
    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: 9 This Week
    Last Update:
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  • 8
    Jitsi Meet

    Jitsi Meet

    Secure, simple and scalable video conferences application

    Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed. Head over to meet.jit.si and see the service in action before you decide whether you’d like to run your own instance. For those interested, check out the meet.jit.si terms of service and privacy policy. Yep, it’s free — and it’s technologically advanced, too. In fact, Jitsi Meet sounds better, thanks to HD audio with Opus; is anonymous, no need for an account, ever! It also keeps conversations private with encryption by default (and advanced security settings) and is developer-friendly, modify and customize it to your heart’s content. It’s 100% open source. Trade messages and emojis while you video conference, with integrated chat.
    Downloads: 7 This Week
    Last Update:
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  • 9
    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: 7 This Week
    Last Update:
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  • 10
    Transparent Notes
    Ever forgot your script during an online meeting?? Hard to answer question while teachers asking?? Forgetting things which you are taught?? Here is your solution 😉😉 Introducing Transparent Notes, the window will act as an overlay to your preferred meet. Type or paste anything you want.
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    Downloads: 101 This Week
    Last Update:
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  • 11
    BigBlueButton

    BigBlueButton

    A complete web conferencing system for virtual classes and more!

    BigBlueButton is an open-source virtual classroom platform built to help teachers teach and learners learn online. It enables real-time collaboration through audio, video, slide presentations, screen sharing, and interactive whiteboards. Educators can actively engage students using polls, emojis, shared notes, multi-user whiteboards, and breakout rooms. The platform includes a Learning Analytics Dashboard that provides moderators with live insights into participant activity and engagement. BigBlueButton also supports session recording and playback, making it ideal for asynchronous learning and content reuse. Designed primarily for education, it adapts seamlessly to online tutoring, flipped classrooms, group collaboration, and large-scale virtual classes.
    Downloads: 34 This Week
    Last Update:
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  • 12
    wxMUN
    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.
    Downloads: 50 This Week
    Last Update:
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  • 13
    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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  • 14
    Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.
    Downloads: 11 This Week
    Last Update:
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  • 15
    A Secure, Firewall-Friendly Platform for Peer-to-Peer Networking. With a few mouse clicks, request remote access to colleagues' computer desktops, transfer files, sketch & chat, or videoconference. Automatic, authenticated & encrypted tunneling!
    Downloads: 35 This Week
    Last Update:
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  • 16
    TIPcon1 is a standards-compliant soft phone using text, voice and video with accessibility features.
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    Downloads: 35 This Week
    Last Update:
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  • 17
    The Ignition Project consists of several projects, mostly relating to real-time collaboration technologies. There's ignitionServer, a powerful IRCX server for Windows, ignitionLite, an IRCX webchat, and ignitionServices, an IRCX services for Windows.
    Downloads: 29 This Week
    Last Update:
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  • 18
    PHP Webcam Live Streaming

    PHP Webcam Live Streaming

    Web based live video streaming from webcam.

    VideoWhisper Live Streaming provides web based live video streaming (from webcam or similar sources). Live Streaming key features: + 1 to many 1 way video streaming + Live chat for viewers + User list with online participants + Channel title + HTML embed code to publish video channel + P2P group streaming support + Session timer and control with scripts + 100% web based for clients The php edition is the easiest choice to setup and run the Live Streaming application on a website. Also to integrate with any php script or content management system that does not have a ready made integration, yet. PHP Live Streaming Edition Highlights: + Create Live Video Channels + Broadcast Live Video from Browser + Share Channels Link/Embed Code + Limit Total Use Time by Channel + Simple Setup + Easy to Install + Full PHP Source Code + Easy to Integrate Requires a RTMP hosting to setup rtmp side (see installation instructions).
    Downloads: 5 This Week
    Last Update:
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  • 19
    PHP Webcam Video Conference

    PHP Webcam Video Conference

    Web based multiple way video chat and real time file sharing tool.

    VideoWhisper Video Conference is a modern web based multiple way video chat and real time file sharing tool. It can be used stand alone or integrated as extra feature to existing sites. Homepage: https://videowhisper.com/?p=PHP+Video+Conference Demo: https://www.videowhisper.com/demos/conference/ Video Conference key features + many to many 2 way video chat + 3 default video panels + unlimited extra video panels + user list with online participants + room list with avatars + file sharing + private messaging + profile picture , info and link + push to talk + P2P group streaming support + codec setup (H264, Speex, NellyMoser) + acoustic echo cancellation + session timer and control with scripts + 100% web based for clients PHP Video Conference Edition: + Webcam Video Conferencing Rooms + Create Private Rooms + Simple Setup + Easy to Install + Full PHP Source Code + Easy to Integrate + Profile Picture and Avatar from Webcam Snapshot
    Downloads: 4 This Week
    Last Update:
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  • 20
    Sciret is a advanced knowledge based system. The KB is designed to work also embedded in other software as example in portals. The next generation of Sciret support as example REST, RSS and other features.
    Downloads: 17 This Week
    Last Update:
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  • 21
    Neutron Chat

    Neutron Chat

    Neutron Chat allows you to communicate in networks

    Neutron Chat is a simple chat application for communicating in networks or in the internet via the TCP/IP protocoll and your own server. It is based on the .NET Framework 4.0 and uses AES-encryption. And it's NSA-proof. Just sayin'. New (and presumably last) version: 3.3.1
    Downloads: 15 This Week
    Last Update:
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  • 22
    TextWeaver is a discussion management application designed for educational purposes. It allows users to read, compose, organize, annotate, and reuse discussion items and related files flexibly and interactively, both online and offline.
    Downloads: 13 This Week
    Last Update:
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  • 23
    Helper utility to be used with the TeamSpeak (www.goteamspeak.com) or Ventrilo (www.ventrilo.com) voice-comms products by displaying a stay-on-top window which shows the name of the current speaker.
    Downloads: 13 This Week
    Last Update:
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  • 24

    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: 2 This Week
    Last Update:
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  • 25
    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: 12 This Week
    Last Update:
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