Xepatch - Xbox 360 Patch Tool
XePatch is a complete patch editor that will let you edit compiled patches and compile new ones with ease. XePatch is considered an Eaton Works small-scale application and thus does not have a subdomain allocated for it. XePatch is a free and open source application.
-Easy to navigate GUI.
-A full compiled patch editor. It allows you to edit the existing patches, add new patches, and delete existing patches.
-Supports v1 and v2 DashLaunch patches.
-Supports FreeBoot patches, as well as all patch slots.
-Validation features on all text fields to ensure that you do not input any invalid data or addresses.
-A simple patch source editor. Complete with a compiler thanks to the Xenon PPC assembly compilers (made by ?).