Anyhow, this is stuff by other people that doesn't fit under either patches or gc stuff. Dirk Hermann's look at numbers.c . He points out a lot of inconsistancies and problems with the current numbers implementation, some listing of functions, etc. Jim Blandy's task list and his guile project ideas . A good place to start if you got a hankerin' for some hackerin' with guile.
Software Take a look at the guile projects page.
Documentation Mark Galassi's Guile Programmers Manual . Graphic User Interface to Lab Equipment. Anti-guile webring . Doesn't have anything to do with gnu guile, but some videogame character. The Internet Scheme Repository .