HIVEMIND ImageBoard
HIVEMIND is anonymous imageboard software.
To say it bluntly, it's early 4chan, but open source, and built with rails.
Features:
- Boards have names, shortcodes, and descriptions
- Boards contain Threads which contain Posts
- A post can contain text, images, or both
- Max file size is 5MB
- 100 threads maximum per board, 10 per page (10 pages)
- 500 post maximum per thread
- Board pages show 3 posts per thread
- Posting returns the thread to spot #1, it sinks lower without any new posts
- Popular threads tend to stay on the front page
- Threads that sink to position 101 or higher are deleted (along with files) via a scheduled rake task
- No names, registrations, etc