Gible
By @Pseurae
A ROM patcher made using C.
Gible supports patching of IPS, IPS32, UPS and BPS files. Patch creation and other patch formats are planned to be added in the near future, along with Windows support.
Building
Windows
Install mingw-w64 and run make windows on WSL. Same can be done in Mac or Linux for obtaining a working executable for Windows.
Linux & Mac
Just run make and gible should be compiled.
You may need to run
make cleanif switching compilation between Windows and Unix.
External Resources
CRC32 Implementation
Credits go to Stephan Brumme.
http://create.stephan-brumme.com/disclaimer.html