Gitea : Gitea is a community managed fork of Gogs, lightweight code hosting solution written in Go and published under the MIT license.
Pa11y : Monitor the accessibility of your websites with pa11y-dashboard, and protect against accessibility errors creeping into your codebase.
Arora : Arora is a lightweight cross-platform web browser. It's free (as in free speech and free beer). Arora runs on Linux, embedded Linux, FreeBSD, Mac OS X...
Ampache : Ampache is a web based audio/video streaming application and file manager allowing you to access your music & videos from anywhere, using almost any i...
Radicale : The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.
YunoHost is a server operating system aiming to make self-hosting accessible to everyone.