Owncast Decentralized single-user live video streaming and chat server for running your own live streams similar in style to the large mainstream options. (Source Code) MIT Go
Tracim Collaborative Platform for team collaboration: file,threads,notes,agenda,etc. AGPL-3.0/LGPL-3.0/MIT Python
Collabora Online Development Edition Collabora Online Development Edition (CODE) is a powerful LibreOffice-based online office that supports all major document, spreadsheet and presentation file formats, which you can integrate in your own infrastructure. (Source Code) MPL-2.0 C++
Tube Youtube-like (_without censorship and features you don't need!_) video sharing app written in Go which also supports automatic transcoding to MP4 H.265 AAC, multiple collections and RSS feed. (Demo) MIT Go
DailyTxT Encrypted diary Web application to save your personal memories of each day. Includes a search function and encrypted file upload. (Demo) MIT Docker