1.confident-ai / deepeval
The LLM Evaluation Framework
+4,160 stars
from 15,071 · score 8.33
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2.comet-ml / opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
+4,129 stars
from 18,969 · score 8.33
3.mlflow / mlflow
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
+3,037 stars
from 25,581 · score 8.02
4.Arize-ai / phoenix
AI Observability & Evaluation
+2,646 stars
from 9,449 · score 7.88
5.NVIDIA / garak
the LLM vulnerability scanner
+2,171 stars
from 7,651 · score 7.68
6.future-agi / future-agi
Open-source, end-to-end platform for evaluating, observing, and improving LLM and AI agent applications. Tracing · Evals · Simulations · Datasets · Gateway · Guardrails. Self-hostable. Apache 2.0.
+1,412 stars
from 825 · score 7.25
7.tenro-ai / tenro-python
Open-source simulation harness for testing AI agents. Simulate LLM and tool calls to test edge cases, failure paths, and agent logic without live API calls.
+2 stars
from 5 · score 1.10