LuaJIT - JIT for the popular LUA scripting language https://luajit.org/luajit.html
Magic Wormhole - conveniently transfer files directly from one computer to another https://github.com/magic-wormhole/magic-wormhole
ffmpeg - antagonizes Theo https://www.ffmpeg.org/
rclone - cli tool for copying/syncing files across network or to/from cloud services: https://rclone.org/
mergerfs - union filesystem on linux: https://trapexit.github.io/mergerfs/
mkvtoolnix - cli tools for mkv file property editing/muxing/etc: https://mkvtoolnix.download/
Calibre - e-book management/conversion: https://calibre-ebook.com/
Subtitle Edit - video subtitle editor: https://www.nikse.dk/subtitleedit
FreeTube - client for youtube without google nonsense: https://freetubeapp.io/
SmartTube - similar as above but for AndroidTV's: https://smarttubeapp.github.io/
OPNSense - freebsd based OS for router/firewall: https://opnsense.org/
Sunshine - capture/stream PC to moonlight clients, basically self-hosted GeForce NOW alternative: https://app.lizardbyte.dev/Sunshine/