Comment by crasch4

* exiftool - photo metadata editing tool

* dcraw - RAW photo processing tool

* imagemagick - image processing library

* pandoc - convert one file into another

* diceware - random word generator (useful for creating passwords)

* csvtomd - convert csv files to markdown tables

* newsbeuter - RSS reader

* zathura - pdf viewer

* weechat - irc client

* ncdu - interactive disk usage

* ranger - file manager

* mpd - music player daemon

* vimpc - vim inspired client for mpd