Halite (named after the mineral) is a C++ BitTorrent client based on the excellent libtorrent library from Rasterbar Software. The program also relies heavily on the Boost libraries.

Changelog:
+ from v 0.3.1.8 to 0.3.2 RC:
1) Peer details exception fixed.
2) Updated to OpenSSL 0.98k
3) Updated to Boost 1.40
4) Updated to libtorrent 0.14.6
- UPnP bug fixed.
- fixed bug when setting unlimited upload or download rates for torrents.
- replaces invalid filename characters with '.'
- fixed bug where web seeds would not disconnect if being resolved when the torrent was paused.
5) Contributed language translations updated.
6) Numerous other small bug fixes and improvements.

Program Information Category: Tools and Utilities Type: Free Version: 0.3.2 RC2 Size: 1.7MB Works on: Windows Product page: here