...at the time it was getting too little use ... Perhaps times have changed?
As CalTRACK usage grows and OpenEEmeter is part of more contracts I expect such a public version would get more use from a diverse group of interested parties.
My specific interest would be to use it as part of a sample CalTRACK test harness used to track improvements over time against a standard set of static project data. See CalTRACK issues #122 and #129 for background.
Any chance you could lobby internally to bring it back?