Whereas the normal projects page lists all of the SSC-branded releases, the past projects page catalogues older projects.
Icon legend StepMania 3.9 (assume 3.9 Final; will likely work on 3.9 Plus/Plus Redux)
StepMania 4 CVS (typically January 3rd, 2008 version)
StepMania 4 alpha versions ONLY
StepMania SSC (see sm-ssc above)
StepMania 5 (Preview 1a and above)
Project Author Compatible StepMania version(s) Latest released version
SSC (Abandoned)
 departure AJ 187 NOT compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) compatible with StepMania 4 CVS (20080103) NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 Abandoned (20081002)
KKI Labs (Complete)
 StepMania System Zero AJ 187 compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) NOT compatible with StepMania 4 CVS NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 v"1.0" (20060523)
 minimalia AJ 187 compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) NOT compatible with StepMania 4 CVS NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 v1.0 (20070726)
 Selling Out Made Simple AJ 187
(as Sera Anonimo)		 compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) NOT compatible with StepMania 4 CVS NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 Final (20070901)
 Dance With Intensity
(SM4 port)		 AJ 187 NOT compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) compatible with StepMania 4 CVS (20080103) NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 v0.80 (20071225)
KKI Labs (Abandoned)
 beat man THE THEME AJ 187 NOT compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) compatible with StepMania 4 CVS (pre-Lua) NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 Abandoned (20070905)
 DDRMAX2 AJ 187 NOT compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) compatible with StepMania 4 CVS (20080103) NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 Abandoned (20070820)
Unaffiliated/Misc.
 PlasmaDance New Generation Deluxe compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) NOT compatible with StepMania 4 CVS NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 1.4 (20040823)
 Original Nascence Interface 4 onigumochan37
(AJ 187 with tweak)		 compatible with StepMania 3.9 (includes 3.9+/3.9+Redux) NOT compatible with StepMania 4 CVS NOT compatible with StepMania 4 alphas NOT compatible with StepMania SSC NOT compatible with StepMania 5 Final (20070901)