xdot is an interactive viewer for graphs written in Graphviz's dot language. It uses internally the graphviz's xdot output format as an intermediate format, and PyGTK and Cairo for rendering. xdot can be used either as a standalone application from command line, or as a library embedded in your Python 3 application.

Syncthing is an application that lets you synchronize your files across multiple devices. This means the creation, modification or deletion of files on one machine will automatically be replicated to your other devices. Syncthing does not upload your data to the cloud but exchanges your data across your machines as soon as they are online at the same time.

XScavenger is a platform game for the X Window System. From the README:

Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.

This package contains a set of programs for loading, inserting, and removing kernel modules for Linux. It replaces module-init-tools.

Gringotts is a small utility that allows you to store and organize sensitive data (passwords, credit card numbers, PINs etc.) in an easy-to-read, easy-to-access, and protected form.