FireTray is a system tray extension for Firefox and related applications. It supports setting up a custom icon, hiding to the tray instead of closing, displaying the number of unread mails, and more.

pkpgcounter is a generic Page Description Language parser which can either count the number of pages or compute the percent of ink coverage needed to print various types of documents. It is written in Python.

The btrfs heatmap script creates a visualization of how a btrfs filesystem is using the underlying disk space of the block devices that are added to it.

Chafa is a command-line utility that converts all kinds of images, including animated image formats like GIFs, into ANSI/Unicode character output that can be displayed in a terminal.