Best AI Agent Frameworks

Open source frameworks for building AI agents: multi-agent orchestration, tool calling, and autonomous workflows.

Ranked by score. Updated weekly.

1

goose

100

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

50,011Rustpermissive
2

langchain

98

The agent engineering platform

139,847Pythonpermissive
3

odysseus

92

Self-hosted AI workspace.

75,210JavaScriptpermissive
4

gstack

91

Use Garry Tan's exact Claude Code setup: 15 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

112,510TypeScriptpermissive
5

CrewAI

91

Framework for orchestrating autonomous AI agents

54,108Pythonpermissive
6

hermes-agent

88

The agent that grows with you

199,314Pythonpermissive
7

mempalace

88

The best-benchmarked open-source AI memory system. And it's free.

56,125Pythonpermissive
8

mempalace

88

The highest-scoring AI memory system ever benchmarked. And it's free.

56,077Pythonpermissive
9

openclaw

86

Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

379,707TypeScriptpermissive
10

everything-claude-code

86

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

219,508JavaScriptpermissive
11

cc-switch

86

A cross-platform desktop All-in-One assistant tool for Claude Code, Codex, OpenCode, openclaw & Gemini CLI.

105,991Rustpermissive
12

caveman

86

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

75,567Pythonpermissive
13

graphify

86

AI coding assistant skill (Claude Code, Codex, OpenCode, OpenClaw). Turn any folder of code, docs, papers, or images into a queryable knowledge graph

69,987Pythonpermissive
14

career-ops

86

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

54,955Gopermissive
15

oh-my-claudecode

85

Teams-first Multi-agent orchestration for Claude Code

36,747TypeScriptpermissive
16

AutoGen

84

Programming framework for agentic AI

59,099Pythonpermissive
17

LibreChat

83

Enhanced ChatGPT clone with multiple AI providers

39,607TypeScriptpermissive
18

ponytail

79

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

47,331JavaScriptpermissive
19

dify

74

Production-ready platform for agentic workflow development.

146,106TypeScriptunknown
20

multica

71

The open-source managed agents platform. Turn coding agents into real teammates — assign tasks, track progress, compound skills.

37,314TypeScriptunknown

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