There are 1 repository under psvita-hacking topic.
A Piglet/ShaccCg Wrapper Library for OpenGL ES 2.0 Support on the Vita
This archive will contain various packet captures for many PlayStation Vita/PlayStation TV titles that support online multiplayer capabilities.
An application to set your vita volume level without using the buttons (if they happen to be broken like mine are)
Bypass PlayStation Store on PSVita 3.70 - 2019
a stripped version of Bittersmile to be used on h-encore.
Full fledged jailbreak for PS Vita systems running fw 3.65-3.74
Xirakado is a (currently WIP) semi-automatic PS Vita jailbreaking tool compatible with OFW 3.60-3.73