🏆 AI Tools Leaderboard

Tools ranked by GitHub fork count — a signal of active builders and integrations

1. 🥇
   
   Hugging Face Transformers Featured AI Infrastructure Fine Tuning

   The standard library for working with pretrained ML models

   1 0 8 161,328 33,426 33,426 forks
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2. 🥈
   
   LangChain Featured RAG AI Agents

   The most widely adopted framework for building LLM-powered applications

   1 0 15 138,609 22,964 22,964 forks
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3. 🥉
   
   vLLM Featured LLM Hosting AI Infrastructure

   High-throughput LLM inference engine with PagedAttention

   0 0 3 82,018 17,697 17,697 forks
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4. #4
   
   Apache Airflow Verified Workflow Orchestration MLOps

   The industry standard for programmatic workflow orchestration

   1 0 13 45,703 17,179 17,179 forks
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5. #5
   
   Ollama Featured LLM Hosting AI Infrastructure

   Run large language models locally with one command

   0 0 5 173,271 16,458 16,458 forks
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6. #6
   
   AutoGen Featured AI Agents Multi Agent Frameworks

   Microsoft's framework for multi-agent AI conversation and automation

   1 0 3 58,719 8,861 8,861 forks
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7. #7
   
   LiteLLM Featured LLM Hosting AI Infrastructure

   Unified API for 100+ LLMs — OpenAI-compatible proxy

   0 0 6 49,420 8,630 8,630 forks
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8. #8
   
   LlamaIndex Featured RAG AI Agents

   Data framework for building RAG and agentic AI applications

   0 0 4 49,940 7,516 7,516 forks
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9. #9
   
   CrewAI Featured AI Agents Multi Agent Frameworks

   Framework for orchestrating role-playing, autonomous AI agents

   0 0 4 52,900 7,385 7,385 forks
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10. #10
    
    Unsloth Verified Fine Tuning

    Up to 5x faster, 80% less memory LLM fine-tuning

    0 0 2 65,868 5,892 5,892 forks
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11. #11
    
    MLflow Featured MLOps Observability

    Open-source MLOps platform for the full ML lifecycle

    0 0 3 26,320 5,813 5,813 forks
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12. #12
    
    LangGraph Featured AI Agents Multi Agent Frameworks

    Build stateful, multi-actor AI agent applications with graph-based workflows

    2 0 5 33,985 5,713 5,713 forks
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13. #13
    
    Semantic Kernel Verified AI Agents Workflow Orchestration

    Microsoft's SDK for integrating LLMs into apps with plugins and planners

    0 0 9 28,058 4,632 4,632 forks
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14. #14
    
    Milvus Verified Vector Databases

    Cloud-native open-source vector database built for scale

    0 0 2 44,647 4,039 4,039 forks
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15. #15
    
    Microsoft GraphRAG Featured Knowledge Graphs RAG

    Graph-based RAG that extracts knowledge graphs for better retrieval

    2 0 6 33,476 3,542 3,542 forks
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16. #16
    
    Faker Verified Synthetic Data

    Generate massive amounts of realistic fake data for testing and AI

    0 0 6 11,618 3,165 3,165 forks
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17. #17
    
    DSPy Featured Prompt Engineering AI Agents

    Programming framework for algorithmically optimizing LM prompts

    0 0 3 34,867 2,958 2,958 forks
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18. #18
    
    Langfuse Featured Observability Evaluation

    Open-source LLM observability, tracing, and evaluation platform

    0 0 3 28,557 2,957 2,957 forks
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19. #19
    
    Haystack Verified RAG Workflow Orchestration

    Production-ready LLM framework for building RAG and search pipelines

    0 0 4 25,468 2,830 2,830 forks
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20. #20
    
    Prefect Verified MLOps Workflow Orchestration

    Modern workflow orchestration for data and ML pipelines

    0 0 3 22,549 2,328 2,328 forks
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21. #21
    
    Qdrant Featured Vector Databases

    High-performance vector database with rich filtering for production AI

    0 0 2 31,835 2,320 2,320 forks
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22. #22
    
    Chroma Featured Vector Databases

    The open-source AI-native embedding database

    1 0 2 28,232 2,291 2,291 forks
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23. #23
    
    Pydantic AI Verified AI Agents

    Production-grade AI agent framework built by the Pydantic team

    1 0 4 17,544 2,179 2,179 forks
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24. #24
    
    DeepEval Verified Evaluation

    Open-source LLM evaluation framework for CI/CD pipelines

    0 0 3 15,939 1,494 1,494 forks
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25. #25
    
    RAGAS Featured Evaluation RAG

    Automated evaluation framework for RAG pipelines

    0 0 3 14,250 1,464 1,464 forks
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