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: 2025-04-20)

Frameworks

• CrewAI - Framework for orchestrating role-playing AI agents

  30,310 stars · 4,077 forks · 231 contributors · 115 issues · Python · MIT

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

• Langchain - Building applications with LLMs through composability

  105,984 stars · 17,217 forks · 480 contributors · 368 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

  43,395 stars · 6,533 forks · 444 contributors · 538 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

  41,039 stars · 5,840 forks · 477 contributors · 549 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

  24,082 stars · 3,726 forks · 344 contributors · 457 issues · C# · MIT

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

• Dify - Open-source framework for LLM applications

  92,886 stars · 13,843 forks · 472 contributors · 667 issues · TypeScript · NOASSERTION

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

• Haystack - End-to-end NLP framework

  20,358 stars · 2,134 forks · 271 contributors · 119 issues · Python · Apache-2.0

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

• Embedchain - Framework for ChatGPT-like bots

  27,697 stars · 2,641 forks · 174 contributors · 302 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

  16,213 stars · 1,953 forks · 62 contributors · 193 issues · Python · MIT

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

• AGiXT - Scalable framework for AI agents

  2,975 stars · 398 forks · 39 contributors · 9 issues · Python · MIT

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

• XAgent - Autonomous LLM-based agent framework

  8,299 stars · 882 forks · 33 contributors · 52 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

  4,251 stars · 470 forks · 16 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

  1,401 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

  1,175 stars · 141 forks · 15 contributors · 43 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

  37,439 stars · 19,480 forks · 214 contributors · 583 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

  8,710 stars · 762 forks · 97 contributors · 257 issues · Python · MIT

  • Type-safe development
  • Multi-model support
  • Structured responses
  • Dependency injection
  • Logfire integration

• Upsonic - Reliable agent framework that support MCP.

  7,342 stars · 686 forks · 26 contributors · 39 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