- CloudBot - The simple, fast, expandable, open-source Python IRC bot.
- Eggdrop - The world's most popular Open Source IRC bot, designed for flexibility and ease of use.
- Err - A plugin based chatbot designed to be easily deployable, extensible and maintainable.
- Hubot - A customizable, life embetterment robot.
- Lazlo - A chatops automation framework in Go.
- Lita - A robot companion for your company's chat room.
- KeyBase - Encrypted chat, cloud and git.