Best open source AI agents and agent frameworks

1

Langflow

Visual framework for building and deploying AI agents and RAG workflows.

AI & LLM ToolsDocker

156k

AI-nativeLangflow has 155,530 GitHub stars, uses the MIT license, ships a Docker image and had 2,486 commits in the last year.

2

RAGFlow

Open-source RAG engine with deep document understanding.

AI & LLM ToolsDocker

92k

AI-nativeRAGFlow has 91,708 GitHub stars, uses the Apache-2.0 license, ships a Docker image and had 5,821 commits in the last year.

3

OpenHands

Platform for AI software development agents that write code and run commands.

AI & LLM ToolsDocker

90k

AI-nativeOpenHands has 90,074 GitHub stars, uses the MIT license, ships a Docker image and had 3,155 commits in the last year.

4

Dify.ai

Build, test and deploy LLM applications.

Source-availableLow-code & BackendDocker

158k

AI-nativeDify.ai has 157,921 GitHub stars, is source-available under the Dify Open Source License (modified Apache 2.0) (not an open-source license), ships a Docker image and had 6,112 commits in the last year; it replaces ChatGPT and Lovable.

5

AnythingLLM

All-in-one desktop & Docker AI application with built-in RAG, AI agents, No-code agent builder, MCP compatibility, and more.

AI & LLM ToolsDocker

67k

AI-nativeAnythingLLM has 66,738 GitHub stars, uses the MIT license, ships a Docker image and had 887 commits in the last year; it replaces ChatGPT.

6

LobeHub

Modern design AI chat framework supporting multiple AI providers, one click install MCP Marketplace and Artifacts / Thinking.

Source-availableAI & LLM ToolsDocker

83k

AI-nativeLobeHub has 83,008 GitHub stars, is source-available under the LobeHub Community License (not an open-source license), ships a Docker image and had 7,488 commits in the last year; it replaces ChatGPT and Lovable.

7

Activepieces

No-code business automation tool like Zapier or Tray. For example, you can send a Slack notification for each new Trello card.

Automation & WorkflowsDocker

25k

AI-nativeActivepieces has 24,913 GitHub stars, uses the MIT license, ships a Docker image and had 5,647 commits in the last year; it replaces Zapier and IFTTT.

8

Vane

AI-powered search engine (alternative to Perplexity AI).

AI & LLM ToolsDocker

37k

AI-nativeVane has 37,015 GitHub stars, uses the MIT license, ships a Docker image and had 279 commits in the last year.

9

Khoj

Your AI second brain. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI.

AI & LLM ToolsDocker

38k

AI-nativeKhoj has 37,565 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 120 commits in the last year; it replaces ChatGPT.

10

Composio

Integration platform for AI agents & LLMs with support for 250+ apps and custom tools.

API Management

30k

AI-nativeComposio has 30,445 GitHub stars, uses the MIT license and had 4,415 commits in the last year.

11

Botpress

Open-source platform for building conversational AI agents and chatbots.

AI & LLM ToolsDocker

15k

AI-nativeBotpress has 14,939 GitHub stars, uses the MIT license, ships a Docker image and had 858 commits in the last year.

12

Agenta

LLMOps platform for prompt management, LLM evaluation, and observability. Build, evaluate, and monitor production-grade LLM applications with collaborative prompt engineering.

AI & LLM ToolsDocker

4.8k

AI-nativeAgenta has 4,807 GitHub stars, uses the MIT license, ships a Docker image and had 18,955 commits in the last year.