1.HumanSignal / label-studioLabel Studio is a multi-type data labeling and annotation tool with standardized output formatcomputer-visiondeep-learningimage-annotationannotation-toolannotationlabeling+14 moreTypeScriptAPACHE-2.029K total3.8K forks+52 starsfrom 28,547 · score 3.97
2.langwatch / langwatchOpen-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.aianalyticsdatasetsevaluationgptllm+10 moreTypeScriptAPACHE-2.05K total426 forks+12 starsfrom 4,991 · score 2.56