I use snipsnap to hold the design notes and plans for a medium scale R&D project. Whilst our snipsnap is private, our public site is
Majitek.com.
I've been hanging out for 0.5.2a, and have just managed to migrate my snip DB from 0.4.2a to 0.5.2a. I had some issues doing this and needed Leo's help - have a look at
This bug report for details.