Here's a program that works through DLL Injection for SAMP 0.2.5.
GTA V Save Editor is a free program that allows you to edit your GTA 5 saves.
Total Overdose is an GTA inspired open world third-person shooter game.
Get total control out of your GTA San Andreas game.
DMA Design Ltd.
The grandaddy of the GTA series is back and its free.
Sanny Builder is a fast and powerful tool designed for the GTA 3D game series.
Now you can easily manipulate various aspects of GTA Vice City.
Rich Field, Jim Purbrick, and Matt Law
Junction25 2 includes support for more advanced features for GTA.
Multi Theft Auto
MTA:SA DeathMatch is THE mod for your GTA: San Andreas.
A GTA: San Andreas addon that makes a total replacement of all vehicles.