BTManager 1.2.0b1, at least

What's new in this release:

* The skin system is now entirely XSLT based.
* You can now change the maximum upload rate for each torrent at runtime.
* A queue system allows you to limit the maximum number of concurrently running tasks.
* You can limit the number of simultaneaous checks when launching the server while files already exists.
* An automatic expiration system.

And last but not least, there's a beginning of a documentation at

http://btmanager.sourceforge.net/doc.html