There are 2 repositories under gta-vc topic.
An SDK for developing ASI/CLEO plugins for GTA San Andreas, GTA Vice City and GTA III
Sanny Builder Bug Tracker and Roadmap development
Blender addon for editing paths for GTA VC, SA, IV (WIP)
Script modifications for GTA 3, VC, and SA made by Vital.
Get the players looking angle in GTA Vice City using memory reading. Defaulted to display values in the format that can be used with Sanny Builder to create SCM files
A bunch of fixes and links for mods that fix the original Grand Theft Auto trilogy on Steam/Disc, and/or restores them to their actual "definitive editions"
A mod to port GTA 1 & London 1969/1961 to GTA III/VC/SA
A small module that allows you to use cheat codes for GTA Vice City, developed for Cleo Redux.
Examples of using ImGUI widgets for Cleo Redux