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observability.
2
listed
·
Updated Sep 11, 2026
Rank 1.
01
L
Langfuse
Traces, prompts, and evals for LLM apps.
MIT · Linux, Web, +1
GitHub stars:
16k
Rank 2.
02
P
Phoenix
Local LLM tracing and evals workspace from Arize — pip install and open.
Other · Linux, macOS, +2
GitHub stars:
11k
