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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

Stack layer

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

All Tools467Models886Environment6Action Space411Observation19Reward / Eval10Policy Serving35Training Infra5Safety / Guardrails7Orchestration16

Browse tools

467 results in the directory

Suggest a tool
INFERENCEHugging FaceFREEMIUM

Hugging Face Inference API

FreemiumInspect tool
AI Engineering Tooling · Developer ToolsHugging FaceOpen source

Hugging Face Transformers

AI Engineering Tooling · Developer Tools

1 related challengeInspect tool
Assistants & Interfaces · VoiceHume AIFreemium

Hume AI

Emotionally intelligent voice AI

2 related challengesInspect tool
MODELSTencentOpen source

Hunyuan

FreeInspect tool
AI Engineering Tooling · Developer ToolsMetaOpen source

Hydra

AI Engineering Tooling · Developer Tools

Free (OSS)Inspect tool
INFERENCEHyperbolicCOMMERCIAL

Hyperbolic

AI infrastructure platform

1 related challengeInspect tool
INFERENCEIBMCOMMERCIAL

IBM watsonx.ai

PaidInspect tool
AI Engineering Tooling · Developer ToolsInstructorOpen source

Instructor

Framework

Free (OSS)Inspect tool
AI Engineering Tooling · Refactoring + ReviewMicrosoftOpen source

InterpretML

AI Engineering Tooling · Refactoring + Review

Free (OSS)Inspect tool
AI Engineering Tooling · Developer ToolsJimdoFreemium

Jimdo

AI website builder for small business

FreemiumInspect tool
Agent FrameworkOpen Source CommunityOpen source

Kiln AI

Tools for building AI products including

1 related challengeInspect tool
UncategorizedKiloOpen source

Kilo Code

Open-source coding agent (VS Code)

Freemium (open source + paid plans)Inspect tool

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