| Gran Turismo 4 Tools | Gran Turismo 4 | TheAdmiester | A memory editing tool to allow the creation of custom arcade events and hybrid vehicles. | Tool | Download |
| Gran Turismo GTESD Extractor | Gran Turismo Sport | TheAdmiester | Extracts car sounds (Intake, Exhaust, Engine, etc.) from GTESD containers into SXD files which can be opened in VGMStream. | Tool | Download |
| Gran Turismo ESGX Editor | Multiple | TheAdmiester | Allows reading/extracting and creating/editing of PS3 GT .esgx files, as well as opening and converting PS2 GT .es files. | Tool | Download |