MakeTorrent is a complete Win32 rewrite of CompleteDir.
It has many more features such as automatic piece size, auto-update of tracker lists, and multiple modes of operation.

Features:

В· Complete Win32 re-write
В· Built-in Torrent Editor/Viewer
В· Automatic update of trackers, as well as personal tracker support
В· 2 modes: Simple and Classic
В· Support for backup/multi trackers
В· .. more!


What's New in This Release:

В· Added new setting: auto-ignore thumbs.db (default: enabled)
В· New command line parameter: -autosize
В· Moved create torrent button up higher, in the case the above doesn't work.
В· Added more piece sizes, up to 16mb (only use if you know what you're doing!)
В· When a torrent has been created, the abort button now greys out and the finish button focuses