AI Tools Directory

    Discover the tools behind real AI build, eval, and deployment workflows.

    Browse by role in the stack, not just by vendor. Compare fit here, then open a tool detail page when it earns deeper inspection.

    Open My AI StackBrowse Agent Capabilities

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    Narrow the directory by what the tool does in the workflow.

    All Tools468Models887Environment6Action Space411Observation19Reward / Eval10Policy Serving36Training Infra5Safety / Guardrails7Orchestration16

    Browse tools

    468 results in the directory

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    Agent FrameworkLangfuseOpen source

    Langfuse

    Open-source LLM observability and evals.

    24 related challengesInspect tool
    Agent FrameworkLangChainOpen source

    LangGraph

    Runtime for stateful agent workflows.

    61 related challengesInspect tool
    Agent Systems · Multi-Agent SystemsLangroidOpen source

    Langroid

    Agent Systems · Multi-Agent Systems

    2 related challengesInspect tool
    Agent FrameworkLangChainCommercial

    Langsmith

    LangChain tracing, debugging, and evaluation platform.

    SubscriptionInspect tool
    AI Workflow Automation · Observability, Evaluation & GovernanceLangWatchFreemium

    LangWatch

    LLM monitoring and analytics

    10 related challengesInspect tool
    AI Workflow Automation · Observability, Evaluation & GovernanceLarridinFreemium

    Larridin

    AI evaluation platform

    7 related challengesInspect tool
    AI Engineering Tooling · Security & Risk Management PlatformsLasso SecurityFreemium

    Lasso Security

    GenAI security platform

    UnknownInspect tool
    Models · Large Language ModelsLastMile AIFreemium

    LastMile AI

    LLM app development & evaluation

    4 related challengesInspect tool
    AI Engineering Tooling · Security & Risk Management PlatformsLatticeFlow AIFreemium

    LatticeFlow AI

    AI quality and security

    2 related challengesInspect tool
    AI Engineering Tooling · Developer ToolsLazy DevPaid

    Lazy Dev

    AI full-stack code generator

    1 related challengeInspect tool
    INFERENCELepton AICOMMERCIAL

    Lepton AI

    3 related challengesInspect tool
    Agent Systems · Memory ManagementLettaFreemium

    Letta

    Stateful LLM framework (formerly MemGPT)

    1 related challengeInspect tool

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