Awesome LLM Agent Frameworks A curated list of open-source frameworks, runtimes and tooling for building LLM
agents. Metrics refresh weekly. (Last updated: 2026-08-16)
To suggest a project, see CONTRIBUTING.md — entries live in
data/frameworks/, and this file is generated from them.
Project
Stars
Language
License
Updated
Description
OpenClaw 386,403
TypeScript
Other
2026-08
Personal AI assistant that runs on any platform
LangChain 144,295
Python
MIT
2026-08
Compose LLM apps from modular pieces
Smolagents 28,813
Python
Apache-2.0
2026-07
Minimal agents that write code to act
Semantic Kernel 28,452
C#
MIT
2026-08
Plugin-based AI integration for .NET and Python
Mastra 27,216
TypeScript
Other
2026-08
TypeScript agents with RAG and observability
Google ADK 21,125
Python
Apache-2.0
2026-08
Code-first agents that deploy to Vertex AI
Pydantic AI 19,319
Python
MIT
2026-08
Type-safe agents on Pydantic with structured output
Tambo 11,164
TypeScript
MIT
2026-08
React components rendered by AI at runtime
Openwork 10,947
—
—
2026-08
Open-source AI coworker platform
Hive 10,914
Python
Apache-2.0
2026-08
Multi-agent harness aimed at production
Upsonic 7,939
Python
MIT
2026-06
Agents with MCP and isolated execution
Atomic Agents 6,179
Python
MIT
2026-08
Compose agents from small interchangeable parts
OpenAgent 5,515
Go
Apache-2.0
2026-08
Personal assistant built on LLM, RAG and agent loops
AG2 4,863
Python
Apache-2.0
2026-08
Community fork of AutoGen, now an AgentOS
AGiXT 3,210
Python
MIT
2026-07
Multi-provider agent platform with command chaining
trpc-agent-go 1,691
Go
Apache-2.0
2026-08
Go framework for agents with graph workflows
ConnectOnion 1,369
Python
Apache-2.0
2026-08
Python framework focused on agent collaboration
LightAgent 1,205
Python
Apache-2.0
2026-08
Lightweight Python agents with tools and memory
Ouroboros 1,164
Python
MIT
2026-08
Agent runtime with reviewed self-modification
Agentlas OS 1,158
Python
Apache-2.0
2026-08
Specialist agent hub with temporary orchestrators
ix 1,044
Python
MIT
2026-01
Autonomous agents with a visual workflow builder
Oh My Hermes 982
Python
MIT
2026-08
Harness with optimized tools and memory
Promptise Foundry 865
Python
Apache-2.0
2026-07
Agentic framework with controllable reasoning
Aeon 664
TypeScript
MIT
2026-08
Runs unattended on GitHub Actions, self-healing
Octochains 366
Python
Other
2026-08
Parallel isolated reasoning with an aggregator
Axar 163
TypeScript
Apache-2.0
2026-02
Minimal TypeScript agents with Zod validation
OpenProgram 150
Python
AGPL-3.0
2026-08
Agents create and refine their own workflows
Neurolink 121
TypeScript
MIT
2026-08
One interface across 12+ LLM providers
Octomind 106
Rust
Apache-2.0
2026-08
Model-agnostic runtime with specialist agents
ProtoLink 94
Python
MIT
2026-07
Python agents with native A2A communication
NarraNexus 76
Python
Apache-2.0
2026-08
Builds nexuses where agent intelligence emerges
ShaprAI 71
Python
MIT
2026-07
Sharpens raw models into principled agents
TrashClaw 67
Python
MIT
2026-06
Zero-dependency local agent for old hardware
KodeAgent 39
Python
Apache-2.0
2026-08
Minimal agent engine, deliberately small
Multi-Agent Orchestration
Project
Stars
Language
License
Updated
Description
MetaGPT 69,839
Python
MIT
2026-01
Agents role-play a software company
AutoGen 60,437
Python
CC-BY-4.0
2026-04
Conversational multi-agent systems
CrewAI 57,128
Python
MIT
2026-08
Orchestrate role-playing agent crews
CAMEL 17,590
Python
Apache-2.0
2026-08
Role-playing agents for studying agent society
PraisonAI 8,873
Python
MIT
2026-08
Multi-agent workflows with self-reflection
OpenAgents 3,991
TypeScript
Apache-2.0
2026-08
Agent networks over WebSocket, gRPC, MCP and A2A
hcom 452
Rust
MIT
2026-08
Agents message and spawn each other in terminals
Markus 154
TypeScript
AGPL-3.0
2026-08
Agents coordinate and review each other's work
CommonGround Kernel 148
Python
Apache-2.0
2026-05
Postgres-backed shared substrate for agent teams
Flock 117
Python
MIT
2026-08
Declarative agents via blackboard architecture
Quorum 115
Python
Other
2026-01
Structured multi-agent debate in the terminal
OpenAcme 86
TypeScript
MIT
2026-07
Role-specialized agents that self-organize
Hivekeep 45
TypeScript
MIT
2026-08
Self-hosted team of persistent personal agents
auto-co 41
TypeScript
MIT
2026-06
14 agents run a company in a continuous loop
Tools that run, sandbox or coordinate command-line coding agents such as Claude Code,
Codex and Gemini CLI.
Project
Stars
Language
License
Updated
Description
Atomic Agent 2,226
TypeScript
MIT
2026-08
Local-first CLI agent for open-weight models
Agent Teams 1,935
TypeScript
AGPL-3.0
2026-08
Desktop app running coding-agent teams across CLIs
Bernstein 899
Python
Apache-2.0
2026-08
Deterministic orchestrator for 40+ CLI agents
SwarmClaw 647
TypeScript
MIT
2026-06
Self-hosted runtime for multi-agent CLI work
h5i 530
Rust
Apache-2.0
2026-08
Runs agents in sandboxes, merges the verified result
Dorothy 337
TypeScript
MIT
2026-07
Desktop app to run several CLI agents at once
ClawFleet 165
Go
MIT
2026-04
Deploys isolated agent instances via Docker
OpenPaw 157
TypeScript
MIT
2026-05
Turns Claude Code into an assistant with 38 skills
ORCH 142
TypeScript
MIT
2026-08
One CLI to manage a team of agents on tasks
5dive 50
Shell
MIT
2026-08
Run a company of named agents on your own server
OpenHermit 50
TypeScript
MIT
2026-08
Deploys agent fleets as long-running services
Agon 39
Python
MIT
2026-08
Claude Code plugin for autonomous research loops
TeamHero 35
JavaScript
MIT
2026-04
Manage agents like a team, with structured roles
OpenSepia 34
Python
MIT
2026-03
Nine Claude agents running as an agile team
Low-Code & Visual Builders
Project
Stars
Language
License
Updated
Description
Dify 152,554
TypeScript
Other
2026-08
Visual orchestration for LLM apps and agents
Kiln AI 5,023
Python
Other
2026-08
Desktop app for evals, RAG and fine-tuning
Heym 938
Python
Other
2026-08
Visual builder for agentic workflow automation
Project
Stars
Language
License
Updated
Description
LlamaIndex 51,664
Python
MIT
2026-08
Connects LLMs to 160+ data sources
Haystack 26,218
Python
Apache-2.0
2026-08
Composable pipelines for search and RAG
Project
Stars
Language
License
Updated
Description
Hindsight 20,007
Python
MIT
2026-08
Agent memory with retain, recall and reflect
Caura 428
Python
Apache-2.0
2026-08
Governed shared memory for fleets of agents
AnimaWorks 253
Python
Apache-2.0
2026-08
Organization-as-code with brain-inspired memory
OMEGA 203
Python
Apache-2.0
2026-08
Persistent memory for coding agents over MCP
Perseus 36
Python
MIT
2026-08
Resolves verified workspace state before a call
Inite Brain 32
TypeScript
AGPL-3.0
2026-08
Bitemporal knowledge graph as agent memory
Project
Stars
Language
License
Updated
Description
Mem0 63,333
Python
Apache-2.0
2026-08
Memory layer that persists across agent sessions
AgentField 2,516
Go
Apache-2.0
2026-08
Agent identity and RPC using W3C DIDs
openma 235
TypeScript
Apache-2.0
2026-08
Self-hosted Managed Agents API implementation
Safety, Security & Evaluation
Project
Stars
Language
License
Updated
Description
Agentic Radar 1,036
Python
Apache-2.0
2025-11
Scans agent workflows for CVE and OWASP issues
Cordum 494
Go
Other
2026-08
Evaluates policy before an agent action dispatches
Greywall 286
Go
Apache-2.0
2026-08
Deny-by-default sandbox for coding agents
Kitaru 236
Python
Apache-2.0
2026-08
Record, replay and improve agents in production
RapidFire AI 168
JavaScript
Apache-2.0
2026-08
Experiment harness for RAG and fine-tuning runs
APort Guardrails 25
Shell
Other
2026-08
Pre-action authorization policy for agent calls
Project
Stars
Language
License
Updated
Description
DeepAnalyze 4,526
Python
MIT
2026-07
Autonomous data science without fixed workflows
Darkmoon 841
Python
GPL-3.0
2026-08
Autonomous pentesting across web, cloud and AD
RAI 568
Python
Apache-2.0
2026-08
Agent framework for robotics, built on ROS 2
CleverBee 302
Python
AGPL-3.0
2026-01
Deep research agent that browses with Playwright
text2sql-framework 154
Python
MIT
2026-08
Text-to-SQL agent that explores schema, not RAG
GenoMAS 134
Python
MIT
2026-04
Multi-agent pipeline for genomics data analysis
wechat-mac-rpa 71
Python
MIT
2026-08
Visual agent automating WeChat on macOS
Omni-Rewriter 65
Python
Apache-2.0
2026-08
Prompt expansion for image and video generation
DNA Claude Analysis 54
Python
MIT
2026-03
Explore your genome in natural language
everyrow 52
Python
MIT
2026-08
Run LLM agents over pandas DataFrames
Inalpha 27
Python
AGPL-3.0
2026-08
Quant agents that pick factors that still work
Project
Stars
Language
License
Updated
Description
EvoAgentX 3,236
Python
Other
2026-08
Agent workflows that evolve and self-optimize
AgentFlow 2,006
Python
MIT
2026-02
Trainable multi-agent system using Flow-GRPO
Cache-to-Cache 429
Python
Apache-2.0
2026-03
Agents exchange meaning directly via KV-cache
AgentSquare 228
HTML
—
2025-11
Automatic search over modular agent designs
GNAP 79
—
MIT
2026-03
Git-native protocol draft for agent coordination
agent-opt 73
Python
Apache-2.0
2026-06
Optimizes prompts and agent workflows
AVP 26
Python
Apache-2.0
2026-04
Transfers KV-cache between agents, not text
Autonomous Agents (2023 wave) The 2023 autonomous-agent wave. Listed for their influence; several are no longer
actively developed.
Project
Stars
Language
License
Updated
Description
AutoGPT 186,623
Python
Other
2026-08
The original autonomous GPT-4 agent loop
OpenManus 57,982
Python
MIT
2026-02
General-purpose agent, no invite code needed
BabyAGI 22,351
Python
—
2026-01
Minimal task-driven autonomous agent loop
XAgent 8,534
Python
Apache-2.0
2026-07
Autonomous agent with planning and tool learning
Archived, or no push in over 12 months. Kept because they are widely referenced and
readers benefit from knowing their status.
Project
Stars
Language
License
Updated
Description
Flowise 55,371
TypeScript
Other
2026-08 (archived)
Drag-and-drop builder for LLM flows
SuperAGI 17,654
Python
MIT
2025-01
Autonomous agent platform with a tool framework
OpenAgents (XLang) 4,855
Python
Apache-2.0
2024-11
Platform for data, web and coding agents
Agent Protocol 1,457
Python
MIT
2025-04
Standard interface for agent interoperability
AI Legion 1,433
TypeScript
MIT
2025-05
TypeScript swarm of autonomous agents
CC0 1.0 Universal — to the extent possible under law, the contributors
have waived all copyright and related rights to this work.
