Awesome LLM Agent Frameworks

A curated list of awesome LLM frameworks and agent development tools. If you have a suggestion, feel free to open an issue or pull request. (Last updated: 2025-06-22)

Frameworks

• CrewAI - Framework for orchestrating role-playing AI agents

  33,190 stars · 4,463 forks · 240 contributors · 109 issues · Python · MIT

  • Role-based agent design
  • Multi-agent collaboration
  • Flexible memory system
  • Built-in error handling

• Langchain - Building applications with LLMs through composability

  109,864 stars · 17,876 forks · 473 contributors · 302 issues · Jupyter Notebook · MIT

  • Modular and extensible architecture
  • Unified interface for LLMs
  • Pre-built agent toolkits
  • CSV, JSON, and SQL agents
  • Python and Pandas integration
  • Vector store capabilities

• Microsoft AutoGen - Framework for building multi-agent conversational systems

  46,274 stars · 7,017 forks · 444 contributors · 466 issues · Python · CC-BY-4.0

  • Multi-agent architecture
  • Customizable agents
  • Code execution support
  • Flexible human involvement
  • Advanced conversation management

• Llama Index - Data framework for LLM applications

  42,488 stars · 6,091 forks · 472 contributors · 291 issues · Python · MIT

  • Advanced indexing and retrieval
  • Support for 160+ data sources
  • Customizable RAG workflows
  • Structured data handling
  • Query optimization

• Microsoft Semantic Kernel - Integration framework for AI models

  25,122 stars · 3,973 forks · 350 contributors · 469 issues · C# · MIT

  • Enterprise-grade security
  • Multi-language support
  • Plugin architecture
  • Responsible AI features
  • Memory management

• Dify - Open-source framework for LLM applications

  104,111 stars · 15,669 forks · 471 contributors · 772 issues · TypeScript · NOASSERTION

  • Visual prompt orchestration
  • Long context integration
  • API-based development
  • Multi-model support
  • RAG pipeline

• Haystack - End-to-end NLP framework

  21,225 stars · 2,226 forks · 279 contributors · 126 issues · Python · Apache-2.0

  • Document processing
  • Neural search
  • Question answering
  • Semantic search
  • Agent capabilities

• Embedchain - Framework for ChatGPT-like bots

  35,017 stars · 3,511 forks · 188 contributors · 469 issues · Python · Apache-2.0

  • Multi-source data ingestion
  • Automated embedding
  • Context window management
  • Multiple LLM support
  • RAG optimization

• SuperAGI - Open-source autonomous AI agent framework

  16,439 stars · 2,014 forks · 62 contributors · 198 issues · Python · MIT

  • Customizable agent workflows
  • Tool creation framework
  • Performance monitoring
  • Resource management
  • Multi-vector memory storage

• AGiXT - Scalable framework for AI agents

  3,031 stars · 413 forks · 42 contributors · 11 issues · Python · MIT

  • Multi-provider support
  • Chain of thought processing
  • Extensible plugin system
  • Command chaining
  • Web UI included

• XAgent - Autonomous LLM-based agent framework

  8,370 stars · 884 forks · 32 contributors · 53 issues · Python · Apache-2.0

  • Human-like planning
  • Autonomous task decomposition
  • Tool learning capabilities
  • Advanced error recovery
  • Built-in action validation

• OpenAgents - Open platform for language agents

  4,345 stars · 477 forks · 15 contributors · 12 issues · Python · Apache-2.0

  • Data analysis capabilities
  • Web browsing integration
  • Coding assistance
  • Plugin ecosystem
  • Interactive visualization

• AI Legion - Swarm framework for autonomous agents

  1,410 stars · 165 forks · 6 contributors · 8 issues · TypeScript · MIT

  • Multi-agent coordination
  • Dynamic task allocation
  • Emergent behavior support
  • Flexible agent roles
  • Real-time collaboration

• Agent Protocol - Unified interface for AI agents

  1,227 stars · 149 forks · 15 contributors · 44 issues · Python · MIT

  • Standardized communication
  • Language-agnostic design
  • Tool integration specs
  • Interoperability focus
  • Protocol versioning

• Agents.js - JavaScript framework for building AI agents

  • Browser-native implementation
  • Event-driven architecture
  • Tool abstraction layer
  • Memory management
  • Real-time processing- CAMEL - Communicative Agents for "Mind" Exploration

  6,380 stars · 762 forks · 76 contributors · 305 issues · Python · Apache-2.0

  • Role-playing framework

  • Task-oriented dialogue

  • Multi-agent conversations

  • Behavioral analysis

  • Cognitive architecture- BabyAGI - Lightweight framework for AI task management

  • Task prioritization

  • Autonomous execution

  • Memory persistence

  • Goal-oriented planning

  • Resource optimization- Autonomous-GPT - Framework for autonomous GPT-4 agents

  171,792 stars · 45,107 forks · 438 contributors · 201 issues · Python · NOASSERTION

  • Internet access capabilities
  • Long-term memory
  • Goal-oriented behavior
  • File operations
  • Command execution- MetaGPT - Multi-agent framework for software development

  52,472 stars · 6,208 forks · 116 contributors · 89 issues · Python · MIT

  • Role-based development

  • Code generation

  • Project management

  • Documentation writing

  • Testing automation- minions - Extensible framework for AI assistants

  • Custom behavior definition

  • Tool integration

  • State management

  • Event handling

  • Parallel execution- ix - Autonomous agent framework

  1,018 stars · 125 forks · 5 contributors · 14 issues · Python · MIT

  • Visual workflow builder
  • Sandbox environments
  • Tool integration
  • Process monitoring
  • Agent collaboration- saplings - Build smarter agents using tree search

  230 stars · 13 forks · 3 contributors · 2 issues · Python · Apache-2.0

  • Boost reasoning abilities
  • Supports popular search algorithms
  • Minimal setup, 2 lines of code- Smolagents - Minimalist framework for building powerful agents

  16,448 stars · 1,446 forks · 123 contributors · 209 issues · Python · Apache-2.0

  • Code-first approach
  • Multi-agent orchestration
  • LLM provider flexibility
  • Tool integration
  • Hub integration for sharing- Flowise - Drag & drop UI framework for building LLM flows

  37,674 stars · 19,592 forks · 213 contributors · 600 issues · TypeScript · Apache-2.0

  • Visual flow builder
  • Custom LLM integrations
  • API generation
  • Authentication support
  • Docker deployment- Pydantic AI - Production-grade agent framework built on Pydantic

  9,574 stars · 854 forks · 117 contributors · 297 issues · Python · MIT

  • Type-safe development
  • Multi-model support
  • Structured responses
  • Dependency injection
  • Logfire integration- Upsonic - Reliable agent framework that support MCP.

  7,517 stars · 698 forks · 24 contributors · 53 issues · Python · MIT

  • Easy-to-activate reliability layers
  • Model Context Protocol (MCP)
  • Integrated Browser Use and Computer Use
  • Isolated environment to run agents
  • Task-Centric Design