Supybot is a cross-platform IRC bot written in Python, known to run anywhere Python runs, which includes all *nices, and Windows.

1. Supybot is actively developed.
   2. Supybot offers nested commands.
   3. Supybot has a powerful and flexible capability system for handling security.
   4. Supybot includes many plugins , and has many more ripe for the picking on this very website.
   5. Supybot supports multiple servers.
   6. Supybot supports multiple channels.
   7. Supybot is user-friendly.
   8. Supybot is developer-friendly.
   9. Supybot is stable.

The stability of a Supybot is only limited by the uptime of the host it runs on. Multi-month uptimes are the norm, rather than the exception.
  10. Supybot is here, now.