Upspring

upspring

upspring is a Model Editor (3DO, S3O) for the Spring RTS Engine.

Source Code: https://github.com/Kaylewt/upspring (should compile on win32 and linux)

Win32 installer: http://user.supradigital.org/jcnossen/UpspringInstaller-1.54.exe

Argh's UpSpring Easy Workflow Guide