A good quality set of players for some of the more popular vintage computer music formats in various languages.

Micromod is a ProTracker replay with versions for Java, Pascal, and ANSI C89 (with a focus on low memory usage and CPU time).

Also hosted here is IBXM, a Java replay for ProTracker MOD, Scream Tracker 3 S3M, and FastTracker 2 XM files.