Stars
The most powerful open source SDK for the PS1 (as far as open source PS1 SDKs go). Not recommended for beginner use.
A typesafe middleware aiming to extend/replace pbkit as used in XboxDev/nxdk.
dracc / nxdk
Forked from XboxDev/nxdkThe cross-platform, open-source SDK to develop for original Xbox: *new* xdk
A multi-platform C++ game made for Ludum Dare 46
Original Xbox Emulator for Windows, macOS, and Linux (Active Development)
Enable RW access to "read-only" partitions (e.g: vs0, os0). Don't use it.