Skip to main content

The directory

Every AI tool.
One shelf.

Search the full directory: 2 tools, honestly listed. Filter by category, pricing, and tags. Free, open, no account needed.

Showing2 tools

2 tools

LangSmith logo

LangSmith

Verified

Automation & Workflow Orchestration · API

Production observability, tracing, and evaluation suite for LLM agent workflows

Free tierAPI availableCloud hosted
Pricing: Free Developer tier includes up to 5,000 trace steps per month; Plus and Enterprise plans for production scale.
View specifications
Langfuse logo

Langfuse

Verified

Developer Frameworks & Infrastructure · API

Open-source LLM observability, prompt management, and evaluation

Open sourceAPI availableSelf-hostable
Pricing: Self-hosted is free (MIT licensed). Managed Cloud includes 50k free traces per month, with Pro at $59 per month.
View specifications