-[Playerctld](https://github.com/altdesktop/playerctl), a daemon to track media player activity. Available as [services.playerctld](option.html#opt-services.playerctld.enable).
-[MenhirLib](https://gitlab.inria.fr/fpottier/menhir/-/tree/master/coq-menhirlib) A support library for verified Coq parsers produced by Menhir.
-[Glance](https://github.com/glanceapp/glance), a self-hosted dashboard that puts all your feeds in one place. Available as [services.glance](option.html#opt-services.glance.enable).
-[Apache Tika](https://github.com/apache/tika), a toolkit that detects and extracts metadata and text from over a thousand different file types. Available as [services.tika](option.html#opt-services.tika.enable).
