Mightier

Pencil and Paper scanned platformer-puzzler
http://www.ratloop.com/?games/mightier

Tetraforce

Online Multiplayer Zelda Game Clone
https://tetraforce.io/

FPL

Indie game about underwater exploration
https://yanknoopdev.itch.io/fpl

Chiptone

Chiptune SFX maker with strong mutate, randomize, and effect abilities unlike other tools I've seen in the same vein
https://sfbgames.itch.io/chiptone

Character generator for gameboy

Is not perfectly set up for GBS but it's really close and this could be super useful I think
https://0x72.itch.io/2bitcharactergenerator

Sprite Cutter

In case people are working in other engines or just want to be able to split up a tileset into individual images to paste together or something, less for GBS, more for godot and such.
https://ezgif.com/sprite-cutter/ezgif-7-ef8995aa4eb5.png

GB Sample Player?


could be cool https://github.com/untoxa/sample_player