Best Open Source Chatbot Software 2025

Chatbot Software

Chatbot Formats and Protocols Clear Filters

Browse free open source Chatbot software and projects 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

MadelineProto

Async PHP client/server API for the telegram MTProto protocol

This library can be used to easily interact with Telegram without the bot API, just like the official apps. It can login with a phone number (MTProto API), or with a bot token (MTProto API, no bot API involved!). Internal peer management: you can provide a simple bot API chat id or a username to send a message or to call other mtproto methods! You can easily login as a user (2FA is supported) or as a bot! Simple error handling! It is highly customizable with a lot of different settings! Bot API file id/object support (even for users)! A Lua binding, a lua wrapper for td-cli scripts, Secret chats, MTProto 2.0, PFS, PFS in secret chats. MadelineProto can do everything official clients can do, and more! MadelineProto requires the mbstring, xml, json, fileinfo, gmp extensions to function properly.

Downloads: 6 This Week

Last Update: 2025-09-27
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2

Program Q AIML

Program Q AIML is a C++ Qt-based library offering a simple API to parse AIML XML files and then interacting with a user input with Latin/Arabic support (Unicode). AIML is a technology permitting to have an AI chat bot. A sample application is provided.

Downloads: 0 This Week

Last Update: 2016-02-25
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3

RSS to Telegram Bot

A Telegram RSS bot that cares about your reading experience

A Telegram RSS bot that cares about your reading experience.

Downloads: 0 This Week

Last Update: 2025-03-22
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4

discord_feedbot

Moved to https://gitlab.com/ffreiheit/discord_feedbot

Downloads: 0 This Week

Last Update: 2023-01-01
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