- [Enigma Reloaded](https://github.com/enigma-reloaded/enigma-reloaded) - DIY Message and file encryption for any platform. `GPL-3.0``Javascript`
- [Enigma Reloaded](https://github.com/enigma-reloaded/enigma-reloaded) - DIY Message and file encryption for any platform. `GPL-3.0``Javascript`
- [Freenet](https://freenetproject.org/index.html) - Anonymously share files, browse and publish _freesites_ (web sites accessible only through Freenet) and chat on forums. ([Source Code](https://github.com/freenet/fred)) `GPL-2.0``Java`
- [Freenet](https://freenetproject.org/index.html) - Anonymously share files, browse and publish _freesites_ (web sites accessible only through Freenet) and chat on forums. ([Source Code](https://github.com/freenet/fred)) `GPL-2.0``Java`
- [Galene](https://galene.org/) - Galène (or Galene) is a videoconference server (an “SFU”) that is easy to deploy and that requires moderate server resources. ([Source Code](https://github.com/jech/galene)) `MIT``Go`
- [Gotify](https://gotify.net/) - Self-hosted notification server with Android and CLI clients, similar to PushBullet. ([Source Code](https://github.com/gotify/server), [Clients](https://github.com/gotify/android)) `MIT``Go`
- [Gotify](https://gotify.net/) - Self-hosted notification server with Android and CLI clients, similar to PushBullet. ([Source Code](https://github.com/gotify/server), [Clients](https://github.com/gotify/android)) `MIT``Go`
- [Hawkpost](https://hawkpost.co) - HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address. ([Source Code](https://github.com/whitesmith/hawkpost)) `MIT``Python`
- [Hawkpost](https://hawkpost.co) - HawkPost is a web app that lets you create unique links that you can share with a person that desires to send you important information but doesn't know how to encrypt it. The message is encrypted in their browser and sent to your email address. ([Source Code](https://github.com/whitesmith/hawkpost)) `MIT``Python`
- [BigBlueButton](https://bigbluebutton.org/) - Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms. ([Demo](https://demo.bigbluebutton.org/gl), [Source Code](https://github.com/bigbluebutton/bigbluebutton)) `LGPL-3.0``Java`
- [BigBlueButton](https://bigbluebutton.org/) - Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms. ([Demo](https://demo.bigbluebutton.org/gl), [Source Code](https://github.com/bigbluebutton/bigbluebutton)) `LGPL-3.0``Java`
- [Jitsi Meet](https://jitsi.org/Projects/JitsiMeet) - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ([Source Code](https://github.com/jitsi/jitsi-meet)) `MIT``Javascript`
- [Jitsi Meet](https://jitsi.org/Projects/JitsiMeet) - Jitsi Meet is an OpenSource (MIT) WebRTC Javascript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ([Source Code](https://github.com/jitsi/jitsi-meet)) `MIT``Javascript`
- [Jitsi Video Bridge](https://jitsi.org/Projects/JitsiVideobridge) - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. ([Source Code](https://github.com/jitsi/jitsi-videobridge)) `Apache-2.0``Java`
- [Jitsi Video Bridge](https://jitsi.org/Projects/JitsiVideobridge) - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. ([Source Code](https://github.com/jitsi/jitsi-videobridge)) `Apache-2.0``Java`
- [Galene](https://galene.org/) - Galène (or Galene) is a videoconference server (an “SFU”) that is easy to deploy and that requires moderate server resources. ([Source Code](https://github.com/jech/galene)) `MIT``Go`