GNU Mailutils is a rich and powerful protocol-independent mail framework. It contains a series of useful mail libraries, clients, and servers.

It is built using coroutines, allowing it to be completely asynchronous while remaining single threaded. It supports RFB protocols 3.3 through 3.8 and the VeNCrypt authentication extension providing SSL/TLS encryption with x509 certificate authentication.

GNOME MPV is a simple GTK+ frontend for mpv. GNOME MPV interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.

KImageMapEditor is a tool that allows you to edit image maps in HTML files. As well as providing a standalone application, KImageMapEditor makes itself available as a KPart for embedding into larger applications.

Avahi is a fully LGPL framework for Multicast DNS Service Discovery. It allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example you can plug into a network and instantly find printers to print to, files to look at and people to talk to.

The catdoc program reads one or more Microsoft Word files and outputs their contents to standard output as text.