Modula-3 Resource Page. Continuing with niche languages - Modula-3 has always fascinated me because it was a pragmatic and practical extension of the Wirthian language world and at the same time integrated a lot of interesting language constructs into a familiar imperative language system. And development continues to this day, the download even has binary packages for Darwin (the Unix foundation of OSX), although currently only 32bit (and I guess no bridge to Objective-C and thus to the Cocoa APIs).