Code
management in Squeak (simple file out/file in, change sets)
Monticello
- a distributed concurrent versioning system for Squeak
SqueakMap
- a repository of Squeak code (similar to Debian's apt)
SmallWiki
- an object-oriented Wiki for VisualWorks/Cincom and Squeak
Seaside - a framework
for developing sophisticated web apps in Squeak
OpenCroquet - a
distributed 3D collaborative environment, under development but very promising
If you
are interested in the historical dimension (and Smalltalk IS a big
piece of programming language history), you should read this paper by Alan Kay.