spritesheet-unpacker
There are 4 repositories under spritesheet-unpacker topic.
Akascape/Sprite-Extractor-On-The-Go
This is a GUI (Python based) program that can extract sprite sheet (which are in a bundle form) to separate images
GetFunkin/GetFunkin.AdobeNecromancer
Re-animate the dead.
ttloi2404/Image-Slicer
Introducing Image Slicer, a user-friendly Python application that allows you to quickly and effortlessly unpack your spritesheet into individual sprites.
itzTerra/mc_spritesheet_extractor
Extract textures from a (Minecraft) spritesheet