Forum OpenACS Q&A: Re: Databases with native bi-temporal support?

Posted by Andrew Piskorski on
Hm, I didn't realize this before: The TimeDB 2 codebase (Java, c. 1999) is closed source, but TimeDB 1.07 (dating from 1996) is in the public domain, and is implemented in SWI Prolog, which is open source under the LGPL license.