https://github.com/Zal0/gbdk-2020
An updated version of GBDK, A C compiler, assembler, linker and set of libraries for the Z80 like Nintendo Game Boy.
https://www.chrismaltby.com/projects/gbdkjs
A library for creating Game Boy games. Write once in C, build, debug and deploy for Game Boy and the web.
A quick and easy to use drag and drop retro game creator for your favourite handheld video game system.
A little engine for creating games for the original Game Boy
A curated list of Game Boy development resources such as tools, docs, emulators, related projects and open-source ROMs
https://github.com/drhelius/Gearboy
Gearboy is a cross-platform Game Boy / Game Boy Color emulator written in C++ that runs on Windows, macOS, Linux, BSD, iOS, Raspberry Pi and RetroArch.
A free assembler/linker package for the Game Boy and Game Boy Color.