DeepYard

Best Agent Frameworks in 2026

176 agent frameworks ranked by community signals — GitHub stars, contributor count, commit activity, and public maintenance signals when available. Latest listing update: Aug 22, 2026.

1

LangChain

Build context-aware reasoning applications with LLMs

OSS144.7K stars
144.7K850.0K/wtoday467
2

AutoGen

Microsoft's framework for building multi-agent AI systems

OSS60.6K stars
60.6K18w ago444
3

CrewAI

Multi-agent orchestration framework for collaborative AI workflows

OSS57.4K stars
57.4Ktoday301

All Agent Frameworks by Ranking

4
M

Microsoft Agent Framework

Unified multi-agent framework merging AutoGen and Semantic Kernel

OSSFree
Microsoft
60.6K800.0K/w18w ago444
5
D

Dify

Production-ready agentic AI application platform — 132K+ stars

OSSfreemium
LangGenius
153.2Ktoday457
6
F

Flowise

Build AI agents visually with drag-and-drop — 51K+ stars

OSSFree
FlowiseAI
55.4K1w ago316
7
L

Langflow

Visual framework for building and deploying AI agents — 145K+ stars

OSSFree
Langflow AI
153.5Ktoday351
8
L

LiteLLM

Universal LLM API gateway for 200+ providers — 38K+ stars

OSSFree
BerriAI
57.0Ktoday376
9
M

MetaGPT

Multi-agent framework — the first AI software company — 65K+ stars

OSSFree
FoundationAgents
69.9K30w ago116
10
A

Agno

Build, run, and manage agentic software at scale with 38K+ stars

OSSFree
Agno AGI
41.8Ktoday444
11
L

LangGraph

LangChain's framework for building stateful agent graphs — 26K+ stars

OSSFree
LangChain
40.2Ktoday278
12
C

CopilotKit

React/Angular frontend SDK for AI agents with generative UI — 29K+ stars

OSSFree
CopilotKit
36.9Ktoday199
13
D

DSPy

Framework for programming — not prompting — LLMs — 33K+ stars

OSSFree
Stanford NLP
37.5Ktoday406
14
s

smolagents

Lightweight agent framework by HuggingFace — minimal code, maximum control

OSSFree
Hugging Face
28.9K4w ago202
15
H

Haystack

End-to-end LLM framework for building NLP and agent pipelines — 18K+ stars

OSSFree
deepset
26.3K600.0K/wtoday415
16
S

Semantic Kernel

Microsoft's SDK for integrating LLMs into applications — 24K+ stars

OSSFree
Microsoft
28.5Ktoday400
17
C

Composio

1000+ toolkits for AI agents with managed auth — 27K+ stars

OSSfreemium
Composio
29.8Ktoday86
18
V

Vercel AI SDK

TypeScript toolkit for building AI-powered applications — 15K+ stars

OSSFree
Vercel
26.3K450.0K/wtoday470
19
O

OpenAI Agents SDK

OpenAI's official Python SDK for building multi-agent systems — 19K+ stars

OSSFree
OpenAI
28.8Ktoday357
20
F

FastMCP

The fast, Pythonic way to build MCP servers — 24K+ stars

OSSFree
Prefect
27.3Ktoday278
21
M

Mastra

TypeScript framework for building AI agents and workflows

OSSFree
Mastra
27.4K12.0K/wtoday465
22
A

Anthropic Agent SDK

Claude-native agent framework with built-in MCP and tool use — 4.6K stars

OSSFree
Anthropic
3.8K2.5M/wtoday67
23
L

Letta

Stateful agents with long-term memory — formerly MemGPT — 15K stars

OSSFree
Letta
24.3K120.0K/w6d ago140
24
R

Rasa

On-premise conversational AI framework for enterprise virtual assistants

OSSfreemium
Rasa Technologies
21.3K400.0K/w4w ago298
25
P

PydanticAI

Type-safe agent framework built on Pydantic for Python

OSSFree
Pydantic
19.4Ktoday475
26
G

Google Agent Development Kit

Google's official framework for building AI agents — 18K+ stars

OSSFree
Google
21.2Ktoday418
27
C

CAMEL-AI

Multi-agent role-playing framework for communicative AI research — 18K stars

OSSFree
CAMEL-AI
17.6K150.0K/wtoday228
28
N

NVIDIA Agent Toolkit

NeMo + Nemotron for building GPU-accelerated AI agents at scale

Commercialfreemium
NVIDIA
18.2Ktoday398
29
B

Botpress

Conversational agent builder with visual flow editor and LLM integration

OSSfreemium
Botpress
14.9K8.0K/wtoday75
30
S

Strands Agents

AWS's model-agnostic Python agent SDK with deep AWS service integrations

OSSFree
Amazon Web Services
7.0K80.0K/wtoday263
31
R

Rivet

Visual AI agent builder with a node-based IDE — by Ironclad

OSSFree
Ironclad
4.7K1.5K/w5w ago44
32
B

BeeAI

IBM's open-source framework for building production-ready AI agents

OSSFree
i-am-bee
3.4K3.5K/w2d ago97
33
C

Cloudflare Agents SDK

Build AI agents on Cloudflare's global edge runtime with MCP server support

OSSfreemium
Cloudflare
2.8K15.0K/w21w ago25
34
T

TanStack AI

Lightweight, type-safe AI SDK for React and Solid applications

OSSFree
TanStack
3.0K25.0K/wtoday106
35
L

Liquid AI Cookbook

Examples, tutorials and apps built with Liquid Foundation Models (LFM) and LEAP SDK — 1.4K+ stars

OSSFree
Liquid AI
2.4K1w ago24
36
A

ActiveGraph

Event-sourced graph runtime with time-travel debugging for auditable agent systems

OSSFree
Research
37
A

AdMem

Multi-level memory framework enabling agents to learn from past tasks, failures, and procedures

OSSFree
Research Team
38
A

Agency Swarm

Open-source framework for orchestrating role-based AI agent swarms with Python

OSSFree
VRSEN
39
a

agentdev

Lightweight AI agent framework with built-in debugger for OpenAI, Anthropic & MCP

OSSFree
Community Project
40
A

AgentFlyer

Decentralized multi-host AI agent framework with cross-platform federation

OSSFree
tddt
41
A

AgenticCyOps

Enterprise security framework for multi-agent AI in cyber operations

OSSFree
Research (Shaswata Mitra et al.)
42
A

AgenticRec

Agentic framework for optimizing recommendation system rankings through end-to-end policy learning

OSSFree
Tianyi Li
43
A

AgentsKit

Composable JavaScript agent toolkit with a lightweight core and formal adapter contracts

OSSFree
AgentsKit
252d ago5
44
A

Aiframe Agent CLI

Enterprise-grade AI agent framework with workflow orchestration and production reliability

OSSFree
Aiframe
45
A

AOHP

OS-level harness for secure and efficient AI agent execution with native system integration

OSSFree
Research Team
46
A

Ares

Adaptive reasoning framework that optimizes LLM inference costs by dynamically scaling effort

OSSFree
Research Collaboration
47
@

@astrive-ai/sdk

Universal JavaScript/TypeScript AI agent framework with multi-provider function calling

OSSFree
Astrive AI
48
A

AsyncFC

Asynchronous function calling framework that parallelizes LLM tool execution for faster agents

OSSFree
UC Berkeley
49
A

AutoAgent

Self-evolving multi-agent framework with adaptive cognition and elastic memory for open-ended tasks

OSSFree
Research
50
A

AutoAgent

Self-evolving multi-agent framework with adaptive learning and elastic memory orchestration

OSSFree
Research (Xiaoxing Wang et al.)
51
A

Automat

Autonomous feature engineering for materials science via LLM-driven genetic programming

OSSFree
Trinity College Dublin
52
A

AWS Bedrock Agents

Fully managed AI agents on Amazon Bedrock with enterprise integrations

Commercialpaid
Amazon Web Services
53
A

Azure AI Agent Service

Microsoft's managed agent platform with enterprise security and compliance

Commercialpaid
Microsoft
54
B

BrainAgent

Multi-agent framework for autonomous brain signal analysis and BCI development

OSSFree
Research (Gang Pan et al.)
55
B

BrainOS JS

High-performance multi-agent framework with Rust core and Node.js bindings

OSSFree
Open1s
56
B

BrainOS

High-performance multi-language AI agent framework powered by Rust with Node.js bindings

OSSFree
open1s
57
B

BrainOS (JSBOS)

High-performance multi-language agent framework bridging Node.js and Rust

OSSFree
Open1s
58
B

BrainOS

Multi-language agent framework with Rust core, event bus, and MCP support

OSSFree
Open1s
59
B

BrowserDD

Production-grade LLM-powered browser automation framework with DOM analysis and multi-model support

OSSFree
Hert4
60
C

CAST

Case-driven framework that learns from execution trajectories to optimize LLM tool use

OSSFree
Research collaboration
61
C

CAST (CausalSteward)

Human-in-the-loop framework for causal discovery using LLM agents and divide-conquer strategies

OSSFree
Research Collaboration
62
C

Chiron

Industrial platform coordinating humans and AI agents across software delivery lifecycle

unknownunknown
Industrial Research Team
63
C

Cipher

Memory-powered AI agent framework with WebSocket communication and MCP integration

OSSFree
ByteRover
64
C

Cray Code

Claude-native agent framework with MCP, skills, and hierarchical sub-agents

OSSFree
WYH
65
D

Databricks Mosaic AI

Lakehouse-native AI agent platform with Agent Bricks and model serving

Commercialpaid
Databricks
66
D

DeepCLAW

Enterprise AI agent framework with zero-trust security and hardware-backed governance controls

OSSFree
Silicon Valley Global
67
E

Easy Agent Core

Lightweight AI agent framework with session orchestration and MCP support

OSSFree
Vietor
68
E

EchoGuard

Knowledge Graph-powered memory framework for detecting manipulation in long-term AI conversations

OSSFree
Research Team (Kandala et al.)
69
E

ELITE

Self-improving embodied AI framework that learns from mistakes and transfers knowledge across tasks

OSSFree
Research Team
70
E

EnterpriseLab

Enterprise-grade framework for privacy-preserving AI agent development with closed-loop training

OSSFree
Ankush Agarwal
71
E

Ethos Agent Framework

TypeScript framework where AI agent personality shapes architecture and behavior

OSSFree
Independent
72
E

Ethos Agent

TypeScript framework for building AI agents with personality-driven architecture and identity

OSSFree
Ethos Agent
73
E

Ethos

TypeScript framework where agent personality drives architecture and behavior

OSSFree
Ethos Agent
74
E

EvoTool

Evolutionary framework that self-optimizes tool-use policies for long-horizon LLM agent tasks

OSSFree
Research Team (Yang et al.)
75
F

Fal Agent

Type-safe AI agent framework with declarative routing and provider abstraction

OSSFree
Fal AI
76
F

FastAgency

Rapid multi-agent deployment framework for Python

OSSFree
airt
54720.0K/w25w ago10
77
F

FastMCP

Fast, Pythonic framework for building Model Context Protocol servers and clients

OSSFree
Prefect
78
f

fastmcp

Pythonic framework for building MCP servers and clients with minimal boilerplate

OSSFree
Prefect
79
F

Flama

ASGI framework unifying REST APIs, ML serving, and LLM apps in production-ready Python

OSSFree
José A. Perdiguero López, Miguel A. Durán-Olivencia
80
F

Fred AI

Type-safe AI agent framework built on Effect-TS with functional programming patterns

OSSFree
FancyRobot
81
F

Fred AI

Effect-based TypeScript framework for type-safe, composable AI agents

OSSFree
FancyRobot
82
G

Glite ARF

Verifier-driven framework for parallel LLM coding agents with built-in audit capabilities

OSSFree
Glite
83
G

GLM-5.2

Open-source MoE language model optimized for conversational AI and agentic workflows

OSSFree
ZAI
84
G

Google Vertex AI Agent Builder

Google Cloud's platform for building grounded AI agents with Gemini

Commercialpaid
Google Cloud
85
G

Gumloop

Natural language automation builder for AI workflows

Commercialfreemium
Gumloop
86
H

HarnessX

Composable runtime scaffolding for adaptive AI agents that learn from execution traces

OSSFree
Research Team (Tingyang Chen et al.)
87
H

Helix Agent Framework

Privacy-focused, offline-capable AI agent framework for JavaScript/TypeScript

OSSFree
Independent
88
H

HiMAP-Travel

Hierarchical multi-agent framework for long-horizon constrained planning with resource allocation

OSSFree
Research Team (Bui et al.)
89
H

HyperTool

Execute multi-step workflows as single tool calls to reduce agent overhead

OSSFree
Research Team (Yaxin Du et al.)
90
I

IBM watsonx Orchestrate

Enterprise AI assistant platform for automating complex business workflows

Commercialenterprise
IBM
91
I

IQAI ADK

TypeScript-native framework for production AI agents with multi-provider LLM orchestration

OSSFree
IQAI
92
I

IronEngine

Unified orchestration platform with multi-phase planning, 24-category tools, and adaptive model switching

OSSFree
Independent Research
93
J

Jarvis Agent

Production-ready JavaScript framework for browser automation and AI workflow agents

OSSFree
Open Source
94
j

jsbos

Multi-language AI agent framework for Node.js with Rust-powered performance

OSSFree
open1s
95
K

Kernl

Modern TypeScript framework for production-grade AI agents with native MCP support

OSSFree
Kernl SDK
96
K

Kernl

Modern AI agent framework with native Model Context Protocol integration

OSSFree
Kernl SDK
97
K

Kernl

Modern AI agent framework with native MCP support for streamlined development

OSSFree
Kernl SDK
98
K

Kernova Framework

Full-stack AI agent framework unifying React/Next.js frontend with integrated agent orchestration

OSSFree
Kernova
99
K

Kognitive Agents

Open-source AI agent framework with built-in safety guardrails and multi-agent coordination

OSSFree
Kognitive
100
L

Laguna-M.1

MoE-based conversational AI framework optimized for efficient code generation and agent workflows

OSSFree
Poolside
101
L

Lakitu

Self-hosted AI agent framework with real-time database and sandboxed code execution

OSSFree
ShinyObjectz
102
L

Lakitu

Self-hosted AI agent framework combining Convex real-time sync with E2B sandboxed execution

OSSFree
ShinyObjectz
103
L

Learn Claude Code

Learn to build Claude Code-like agents from scratch with hands-on tutorials

OSSFree
shareAI-lab
104
L

LLM-Wiki

Agent-native retrieval system using Retrieval-as-Reasoning for dynamic knowledge navigation

OSSFree
Research
105
L

LOGOS

Self-evolving governance layer for AI agent teams with human-in-the-loop oversight

OSSFree
Research
106
L

Looopy AI Core

Reactive AI agent framework built on RxJS for event-driven, composable agent architectures

OSSFree
Looopy AI
107
L

Looopy AI

RxJS-powered reactive AI agent framework with functional programming patterns

OSSFree
Looopy AI
108
L

Looopy AI

Reactive AI agent framework built on RxJS for observable-driven agent patterns

OSSFree
Looopy AI
109
M

MADA

Multi-agent framework for HPC-powered design workflows with automated experiment tracking

OSSFree
Lawrence Livermore National Laboratory
110
M

Maiar AI

Plugin-based AI agent framework for building modular, extensible agent systems

OSSFree
Uranium Corporation
111
M

Mana

Sim-to-real framework treating robotic manipulation as animation for dexterous tasks

OSSFree
Research Team (Zhao-Heng Yin et al.)
112
M

MANTA

Dynamic multi-agent network topology adaptation framework for self-evolving collaboration

OSSFree
Research Team
113
M

MARC Framework

Clinical AI framework with deterministic multi-agent orchestration and role-specialized reasoning

OSSFree
Research Team
114
M

Mayros

Multi-channel AI framework with knowledge graph integration and MCP support

OSSFree
Apilium
115
M

Microsoft Copilot Studio

Low-code agent builder with Microsoft 365 and Teams integration

Commercialpaid
Microsoft
116
M

Motif-3

MoE-based long-context agent framework with formal verification and multilingual support

OSSFree
Motif Technologies
117
M

MuleSoft Agent Fabric

Agent discovery and registry for cross-platform AI orchestration

Commercialenterprise
Salesforce
118
N

NanoBot

Ultra-lightweight self-hosted AI agent framework with 46k+ stars

OSSFree
HKUDS
119
N

NVIDIA OO Agents

Object-oriented Python framework for building AI agents with native code patterns

OSSFree
NVIDIA
120
O

OpenForgeRL

End-to-end RL training framework for stateful, multi-process agent harnesses

OSSFree
Research Community
121
O

OpenForgeRL

End-to-end RL framework for training stateful coding agents across diverse environments

OSSFree
Research Community
122
O

OpenProgram

Self-programming agent framework for reusable workflows and multi-agent context

OSSFree
OpenProgram
211today2
123
O

Oracle AI Agents

Fusion-native AI agents for ERP, HCM, and line-of-business applications

Commercialenterprise
Oracle
124
O

Orchard

Microsoft's framework for training autonomous agents with planning, reasoning, and tool use

OSSFree
Microsoft Research
125
P

PMAx

Natural language interface for AI-driven process mining and workflow analysis

OSSFree
Wil van der Aalst et al.
126
P

Pydantic AI

Type-safe Python agent framework built on Pydantic's validation system

OSSFree
Pydantic
127
Q

QUARE

Multi-agent framework for resolving quality attribute conflicts in requirements engineering

OSSFree
Research Team
128
Q

Quasar

18B parameter MoE foundation model optimized for long-context agent applications

OSSFree
Silx AI
129
Q

Quasar

10B parameter foundation model with 2M token context using Gated Linear Attention

OSSFree
SilX AI
130
Q

Quoroom

Local-first multi-agent framework with Queen-Workers-Quorum consensus architecture

OSSFree
Quoroom AI
131
Q

Qwen-AgentWorld

World-model framework for agent environment simulation and action reasoning by Alibaba

OSSFree
Alibaba (Qwen Team)
132
R

RAGFlow

Open-source RAG engine with agent capabilities, GraphRAG, and MCP integration

OSSFree
InfiniFlow
133
R

Ralph Workflow

Composable loop framework for autonomous coding workflows

OSSFree
Ralph Workflow
134
R

Reactive Agents

Effect-TS based agent framework with fine-grained control and MCP support

OSSFree
Tyler Buell
135
R

Reactive Agents

Type-safe AI agent framework with Effect-TS and React Loop patterns for composable agents

OSSFree
tylerjrbuell
136
R

Reactive Agents

Effect-TS framework for composable AI agents with React-style loops and MCP support

OSSFree
Tyler Buell
137
R

Reactive Agents

Effect-TS framework for composable AI agents with structured dimensions and MCP integration

OSSFree
tylerjrbuell
138
R

ReASearch

Framework for autonomous reasoning-driven optimization across prompts, programs, and ML workflows

OSSFree
Research Collaboration
139
R

ReflectFact

Self-reflective multi-agent system for verifying complex factual claims across multiple sources

OSSFree
Research
140
R

Relevance AI

No-code platform for building and deploying multi-agent AI workflows

Commercialfreemium
Relevance AI
141
R

ResidencyRL

RL framework for training medical AI agents through simulated clinical encounters

OSSFree
Research Collaboration
142
R

RoboClaw

VLM-driven robotics framework for autonomous long-horizon task execution and policy learning

OSSFree
Research Team
143
R

RTPO

Reinforcement learning framework for stabilizing multi-turn agent training through reverse credit assignment

OSSFree
Research (Yugu Li et al.)
144
R

Ruflo

Enterprise multi-agent orchestration platform with native Claude integration and swarm intelligence

OSSFree
ruvnet
145
r

ruflo

Enterprise-grade orchestration platform for Claude multi-agent swarms with RAG and distributed intelligence

OSSFree
ruvnet
146
S

Salesforce Agentforce

AI agents for CRM — sales, service, marketing, and commerce automation

Commercialenterprise
Salesforce
147
S

Sammy SDK

Self-configuring AI agent framework that learns your codebase automatically

OSSFree
Sammy
148
S

SAP Joule Studio

BTP-native AI agent builder for SAP enterprise applications

Commercialenterprise
SAP
149
S

Sathi AI SDK

Multi-provider TypeScript framework for building AI agents with unified LLM interface

OSSFree
Sathi AI
150
S

SearchOS

System-level framework preventing search loops in distributed web research agents

OSSFree
Research Team
151
S

ServiceNow Now Assist

AI agents for ITSM, HR, and customer service on the Now Platform

Commercialenterprise
ServiceNow
152
S

SkillGate

Training framework for skill selection in long-horizon autonomous agents

OSSFree
Research (Qingyao Li et al.)
153
S

SKIMIX

Multi-agent framework for inference-time scaling via dynamic skill mixture and retrieval

OSSFree
Research
154
S

Snowflake Cortex AI

Data-centric AI agents running natively in the Snowflake data cloud

Commercialpaid
Snowflake
155
S

SPADE

Self-play RL framework where LLMs design environments and solve them for continuous improvement

OSSFree
Research (Bo Liu et al.)
156
S

SpatialCLI

Framework teaching vision-language models spatial reasoning through tool use and internalization

OSSFree
Research Team
157
S

SPD-RAG

Hierarchical multi-agent RAG system that assigns specialized sub-agents per document

OSSFree
Research Collaboration
158
S

SplitAgent

Privacy-first distributed AI architecture for secure enterprise-cloud collaboration

OSSFree
Independent Research
159
S

Stack AI

Visual AI agent builder for enterprise workflows and document processing

Commercialfreemium
Stack AI
160
S

StaffForge AI Agent Framework

Write once, deploy anywhere: portable AI agents across multiple LLM providers

OSSFree
StaffForge
161
S

Synapse Agent Framework

Lightweight Node.js agent framework optimized for serverless and cloud functions

OSSFree
Synapse
162
T

TITAN Agent

TypeScript framework for multi-agent orchestration with approval gates and Mission Control UI

OSSFree
Djtony707
163
T

TITAN Agent

Full-featured TypeScript agent framework with multi-agent orchestration and Mission Control UI

OSSFree
Djtony707
164
T

TITAN Agent

Autonomous AI agent framework with Mission Control GUI and multi-channel communication

OSSFree
Djtony707
165
T

ToolRosetta

Automated tool standardization framework bridging open-source repos with LLM agents via MCP

OSSFree
Research (Shimin Di et al.)
166
T

ToolVerse

Scalable RL framework for training agents on complex tool-integrated reasoning tasks

OSSFree
Research Team
167
T

TopoAgent

Graph-based agent framework that evolves topological states for complex multimodal reasoning

OSSFree
Research
168
V

Vellum

Visual AI workflow builder with SDK and enterprise governance

Commercialfreemium
Vellum AI
169
V

VeriSkill

Self-evolving framework enabling LLM agents to learn and refine program verification skills

OSSFree
Research
170
V

VISUALSKILL

Hierarchical skill library for GUI automation with reusable multimodal interaction patterns

OSSFree
Research Team (Jiang et al.)
171
V

VoltAgent

Lightweight JavaScript framework for building composable autonomous agents with minimal dependencies

OSSFree
VoltAgent
172
W

Wunderland

Security-hardened AI agent framework with HEXACO personality modeling and 37+ integrations

OSSFree
jddunn
173
X

Xiaoma CLI

Universal AI agent framework built for agile development workflows and team collaboration

OSSFree
Xiaoma Team
174
X

XiaoMa CLI

CLI-based AI agent orchestrator for agile development workflows and multi-agent coordination

OSSFree
Zeyue
175
X

XSkill

Continual learning framework enabling multimodal agents to improve from experience without retraining

OSSFree
Research Team
176
Z

Zapier Agents

AI agents within Zapier's 7000+ app integration ecosystem

Commercialpaid
Zapier
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