Best Open Source Chatbot Software 2025

Chatbot Software

Chatbot Linux BSD Software Development Clear Filters

Browse free open source Chatbot software and projects for Linux and BSD below. Use the toggles on the left to filter open source Chatbot software by OS, license, language, programming language, and project status.

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1

grammY

The Telegram Bot Framework

grammY makes it easy to create Telegram bots. Both for beginners and at scale. You want grammY because it is easy to use. It is very powerful and always up to date. It has the best documentation in town. It is extremely efficient and scales up effortlessly. It has a thriving ecosystem of plugins, a friendly community chat, seamless integrations with web frameworks and databases, and so much more.

Downloads: 5 This Week

Last Update: 2025-07-05
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2

Err

err is a plugin based chatbot designed to be easily extensible

err is a plugin based chatbot designed to be easily deployable, extensible and maintainable. It allows you to start scripts interactively from your chatrooms for any reason: random humour, starting a build, monitoring commits, triggering alerts ... It is really easy to add your own feature. Features Backends support: - XMPP : Tested with hipchat, openfire and Jabber but should be compatible with any standard XMPP servers. - CampFire support - Supports MUCs (chatrooms) - Local Graphical Console (for testing/dev) - Local Text Console (for testing/dev)

Downloads: 1 This Week

Last Update: 2013-05-30
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3

JIMO - robOt

JIMO(Java-based Instant Messenger One), supports multiple protocols via services, including AIM, MSN, Yahoo, IRC. It is flexible through its plugin architecture, with an intelligent agent, Chatbot.

Downloads: 1 This Week

Last Update: 2013-04-19
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4

ABCPeter

A chatbot framework currently implementing the ErkiTalk and irc protocol. By specifying parsers for the server's input one can easily create custom bots (if one can program in java of course ;).

Downloads: 0 This Week

Last Update: 2016-06-08
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