An open-source SDK for PSP homebrew development.

The unofficial Official FirmWare, a complete latest PSP firmware reverse engineering project

A PlayStation Portable (PSP) package download tool

C17-based extended standard library, cross-language type system, and unit testing framework targeting Dreamcast, Gamecube, PSP, PSVita, Windows, Mac, Linux, Android, iOS, and WebAssembly.

Apollo Save Tool Online Database

PyMO AVG Game Engine implemention in C.

Simple tool to decrypt PSP binaries

Multi Platform 3D Library for PlayStation 2 /Dreamcast / Game Cube /Wii / PSP

Tools to decrypt specific PlayStation save-games (GTA5, TLOU, Uncharted 2, Uncharted 3, DmC, Diablo 3, Resident Evil, NFS, +++)

General purpose homebrew/debugging toolkit for PSP

Apollo Save Tool (PSP)

This app allows download and install PSP .pkg directly via WiFi, without PC.

Snes9xTYL

Amiga's "Escape From Colditz" ported to Windows, Linux, macOS and PSP

OldSchool Library (OSLib), a 2D graphics library for the PSP.

Psp Gameboy / Gameboy Color Emulator with rewind support

openTRI is a game engine for the Playstation Portable (PSP)

Multiplatform Lua interpreter (PSP/PSP Go version)

A wiki about ConsoleId (PSID, IDPS), openPSID, PsCode, cookedPSID (hwid), hardware Info of PSP, PS3, PS Vita and PS4.