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 Tools461Environment6Action Space411Observation19Reward / Eval10Policy Serving35Training Infra5Safety / Guardrails7Orchestration16

Browse tools

10 results in the directory

Suggest a tool
AI Workflow Automation · Observability, Evaluation & GovernanceArize AIOpen source

Arize Phoenix

Open-source LLM observability and evals.

2 related challengesInspect tool
Agent FrameworkBraintrustCommercial

Braintrust

Evaluation and tracing platform for AI apps.

4 related challengesInspect tool
AI Engineering Tooling · Developer ToolsDistributionalFreemium

Distributional

AI safety & robustness evaluation

ContactInspect tool
AI Workflow Automation · Observability, Evaluation & GovernanceGalileoCommercial

Galileo

Generative AI eval and observability platform.

4 related challengesInspect tool
AI Engineering Tooling · Security & Risk Management PlatformsNVIDIAOpen source

Garak

LLM vulnerability scanner.

Free (OSS)Inspect tool
AI Workflow Automation · Evaluation PipelinesGentracePaid

Gentrace

GenAI evaluation & observability

SubscriptionInspect tool
AI Engineering Tooling · Security & Risk Management PlatformsGuardrails AIOpen source

Guardrails AI

Validation and guardrails for LLM outputs.

FreemiumInspect tool
Agent FrameworkLangfuseOpen source

Langfuse

Open-source LLM observability and evals.

2 related challengesInspect tool
Agent FrameworkLangChainCommercial

Langsmith

LangChain tracing, debugging, and evaluation platform.

SubscriptionInspect tool
AI Workflow Automation · Observability, Evaluation & GovernancePatronus AIFreemium

Patronus AI

Evaluation and guardrail platform.

3 related challengesInspect tool