Trenchbroom
Brush based map making ChipTone
SFXR that looks nicer and has more features
Audio/Video
FFmpeg
Media related CLI tool OBS
Screen recording/streaming yt-dlp
CLI tool for downloading video/audio filesRandom
Godot
Game engine Obsidian
Text editor for md files PICO-8
8 bit game engine that also has audio/art tools included Bitwarden
Password manager