Overall the package is pre-alpha. It is still under development.
The skiplist is beta. There are no known bugs and it is feature complete.
The hashtable is alpha. It has not been tuned for memory usage. There are no known bugs and it is feature complete.
The lock-free memory management and runtime support is pre-alpha. It is not feature complete.
The transactional system is a toy implementation for now. Developers will find it mostly interesting for the concepts.
Tested under Linux with gcc 4.1-4.3 with Ubuntu 8.10. Probably works on Mac OS 10.5 with gcc 4.1-4.2.
links for 2010-08-01