From PurpleIRC Wiki
The PurpleIRC plugin will attempt to hook into several plugins.
- mcMMO admin and party chats.
- FactionChat chat modes. (public, ally and enemy)
- HeroChat Global, all channels or specific channels
- TitanChat chat manager
- TownyChat See FAQ
- Dynmap web chat
- DiscordSRV See FAQ
- CleverNotch bot messages
- ReportRTS ticket notifications
- VanishNoPacket. Prevents IRC from announcing vanished players. If you need FakeJoin and FakeQuit events use the customized version
- Shortify URL shortener. 1.8 and newer only
- RedditStream notifications
- GriefPrevention - Soft muted messages won't appear in IRC.
The irc hoooks command will provide information about what PurpleIRC is hooked into.