* Smart bandwidth usage
* File level priorities
* Configurable bandwidth scheduling
* Global and per-torrent speed limiting
* Quickly resumes interrupted transfers
* UPnP support (WinXP only)
* Supports popular protocol extensions
* Trackerless support (Mainline DHT)
* Localized to different languages
* Typical memory use less than 6 MB
* Incredibly small: 105 KB