Package bitfield provides support for manipulating bits in a []byte.

Package btconn provides support for dialing and accepting BitTorrent connections.

Package fast provides an algorithm for generating fast set.

Package magnet provides support for parsing magnet links.

Package metainfo support for reading and writing torrent files.

Package mse (Message Stream Encryption) provides a transparent wrapper for bidirectional data streams (e.g.

Package peerpriority implements BEP 40.

Package resumer contains an interface that is used by torrent package for resuming an existing download.

Package storage contains an interface for reading and writing files in a torrent.

Package tracker provides support for announcing torrents to HTTP and UDP trackers.