Option A
Langfuse
Developer Tools
Open-source LLM engineering platform.
Langfuse provides traces, evals, and prompt management for LLM apps — fully open-source and used by thousands of indie AI builders.
- Founder
- Maximilian Deichmann
- Founded
- 2023
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026