- [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`
- [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`
- [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)) `Apache-2.0``Nodejs/Docker`
- [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`
- [Atsumeru](https://atsumeru.xyz) - Free and open source self-hosted manga/comic/light novel media server with clients for Windows, Linux, macOS and Android. ([Source Code](https://github.com/AtsumeruDev/Atsumeru), [Clients](https://atsumeru.xyz/guides/#how-does-it-work)) `MIT``Java`
- [Atsumeru](https://atsumeru.xyz) - Free and open source self-hosted manga/comic/light novel media server with clients for Windows, Linux, macOS and Android. ([Source Code](https://github.com/AtsumeruDev/Atsumeru), [Clients](https://atsumeru.xyz/guides/#how-does-it-work)) `MIT``Java/Docker`
- [Calibre Web](https://github.com/janeczku/calibre-web) - Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database. `GPL-3.0``Python`
- [Calibre](https://calibre-ebook.com/) - E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients. ([Demo](https://calibre-ebook.com/demo), [Source Code](https://launchpad.net/calibre)) `GPL-3.0``Python`
- [Kavita](https://www.kavitareader.com/) - Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metatdata support. ([Demo](https://wiki.kavitareader.com/en/kavita-demo), [Source Code](https://github.com/Kareadita/Kavita)) `GPL-3.0``.NET Core/Docker`
@ -881,6 +882,7 @@ A [news aggregator](https://en.wikipedia.org/wiki/News_aggregator), also termed
- [RSS Fulltext Proxy](https://github.com/Kombustor/rss-fulltext-proxy) - Mirrors RSS feeds to return the full content of the items, extracted from the website. `MIT``Nodejs`
- [RSS Monster](https://github.com/pietheinstrengholt/rssmonster) - An easy to use web-based RSS aggregator and reader compatible with the Fever API (alternative to Google Reader). `MIT``PHP`
- [RSS2EMail](https://github.com/rss2email/rss2email) - Fetches RSS/Atom-feeds and pushes new Content to any email-receiver, supports OPML. `GPL-2.0``Python`
- [RSSHub](https://docs.rsshub.app) - An easy to use, and extensible RSS feed aggregator, it's capable of generating RSS feeds from pretty much everything ranging from social media to university departments. ([Demo](https://rsshub.app), [Source Code](https://github.com/DIYgod/RSSHub)) `MIT``Nodejs/Docker`
- [Selfoss](https://selfoss.aditu.de/) - New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/fossar/selfoss)) `GPL-3.0``PHP`
- [Sismics Reader](https://www.sismics.com/reader/) - Free and open source feeds reader, including all major Google Reader features. ([Demo](https://www.sismics.com/reader/#!/demo), [Source Code](https://github.com/sismics/reader)) `GPL-2.0``Java`