Conferencing Software for Windows

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Browse free open source Conferencing software and projects for Windows 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: 2,315 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: 197 This Week
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  • 3
    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: 85 This Week
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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: 13 This Week
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  • 5
    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: 12 This Week
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  • 6
    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: 10 This Week
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  • 7
    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: 9 This Week
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  • 8
    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.
    Downloads: 39 This Week
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  • 9
    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.
    Downloads: 55 This Week
    Last Update:
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  • 10
    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.
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    Downloads: 52 This Week
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  • 11
    VABlog

    VABlog

    YUV/PCM/H264/H265/AAC/FFmpeg/Opengl

    VABlog is a full-stack web application project that combines blogging functionality with multimedia and video-related features. It is designed as a learning-oriented system that demonstrates how to build a modern web platform with both frontend and backend components. The project includes user authentication, content publishing, and media management capabilities, allowing users to create and manage posts with embedded video content. It integrates database storage for handling user data, posts, and metadata, ensuring persistence and scalability. VABlog also showcases API design and interaction between client and server, enabling dynamic content updates and responsive user experiences. Its architecture is modular, making it easier to extend or customize features. Overall, it serves as a reference implementation for building media-rich web applications.
    Downloads: 2 This Week
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  • 12
    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: 2 This Week
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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: 7 This Week
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  • 14
    GNU Gatekeeper (GnuGk)

    GNU Gatekeeper (GnuGk)

    H.323 Gatekeeper for VoIP and videconferencing

    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/
    Downloads: 12 This Week
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  • 15
    Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.
    Downloads: 6 This Week
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  • 16
    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: 20 This Week
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  • 17
    WebcamStudio For GNU/Linux

    WebcamStudio For GNU/Linux

    A multifeatured virtual webcam software to broadcast over the Internet

    ========================= WEBCAMSTUDIO IS NO MORE MAINTAINED ========================= We are looking for someone to take over. If interested please contact: soylent.tv@gmail.com WebcamStudio is a multifeatured virtual webcam software that can be used with Skype or a flash website like UStream, to create a professional looking broadcast, including banners, animations, transit animations and icons, etc... This tool is not meant as a video editor but as a live video mixer giving you the possibilities to change the look of the broadcast on the fly. For more info about the WebcamStudio project, please visit our Wiki Home page: https://sourceforge.net/p/webcamstudio/wiki/Home/ IMPORTANT: ======= The former homepages of the project: http://code.google.com/p/webcamstudio http://ws4gl.org should be considered only as a reference to old project news, forums, info etc. Have in mind that some of these old links may not work anymore.
    Downloads: 3 This Week
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  • 18
    WASTE is a mesh-based workgroup tool that allows for encrypted, private communication between distant parties on the internet, independant of local network organization.
    Downloads: 5 This Week
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  • 19
    NetPCLinker

    NetPCLinker

    NetPCLinker (p2p) (Chat, FilesTransfer, Phone, Share)

    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
    Downloads: 14 This Week
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  • 20
    NOTE: This code has not been updated since 2005. Keeping it here for historical purposes. NOTE2: The code will not most probably compile against latest SILC libraries or with latest GTK either. Silky WAS a secure chat client for SILC (Secure Internet Live Conferencing) protocol. The code is written in C and the GUI is implemented using the GTK toolkit. Supported operating systems include Linux and Windows.
    Downloads: 12 This Week
    Last Update:
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  • 21

    JAM MessageBase Library

    JAM Message Base Library

    JAM is a popular messagebase format for storing Fidonet messages originally devised by Joaquim Homrighausen, Andrew Milner, Mats Birch and Mats Wallin. JAMLIB is a subroutine library for manipulating such messagebases.
    Downloads: 4 This Week
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  • 22
    Meeting AI Analyser

    Meeting AI Analyser

    Live AI co-pilot for Windows meetings: local Whisper + Claude AI.

    Meeting AI Analyser is a Windows desktop app that acts as a live AI co-pilot during any meeting. It captures system audio and microphone on your PC and transcribes everything in real time using OpenAI Whisper locally, so your audio never leaves your machine. Only the resulting text transcript is sent to Claude AI via the Claude Code CLI to generate structured summaries every 60 seconds with decisions, action items, participants and next steps. Claude can also explain unfamiliar jargon and translate in real time. Works with Microsoft Teams, Zoom, Google Meet, Webex, Discord and any audio source. No bot joins your call. Open source on GitHub. Free 7-day trial, then 29 EUR one-time license valid on up to 3 machines with free updates for life. Uses your existing Claude Pro/Team/Enterprise subscription for AI analysis (no per-minute fees).
    Downloads: 9 This Week
    Last Update:
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  • 23
    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: 9 This Week
    Last Update:
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  • 24
    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: 5 This Week
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  • 25
    A lightweight cross platform IP telephony client using the IAX protocol, designed for use with the asterisk open source PBX.
    Downloads: 5 This Week
    Last Update:
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