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1. PyTokenCalc PyTokenCalc Public

   Unified token counting and cost calculation across 20+ LLM providers. Smart routing: local tokenizers (tiktoken, HF) + cached API calls. 99%+ accuracy, <100ms latency. Built for multi-provider LLM …

   Python

2. PyVectorHound PyVectorHound Public

   Hunt down vector search problems in RAG/LLM systems. Diagnose why retrieval fails — embedding quality, vector search, BM25, reranker analysis. PyPI: pyvectorhound

   Python

3. StatGuardian StatGuardian Public

   Python library for data quality and validation — declarative contract DSL, schema checks, drift detection, anomaly detection. 13× faster than pandera. PyPI: statguardian

   Rust

4. ClusterAudienceKit ClusterAudienceKit Public

   Customer segmentation in Martech pipelines — RFM analysis, clustering, streaming updates. PyPI: clusteraudiencekit

   Python

5. PyRoboVision PyRoboVision Public

   Advanced autonomous driving perception and vision-language foundation models. Cylindrical stitching, BEV projection, Lidar fusion, SAM3/CLIP/Grounding DINO.

   Python

6. PyRoboFrames PyRoboFrames Public

   Fast ML dataloader for robot learning. LeRobot datasets, hardware video decode, multi-output formats (NumPy/MLX/PyTorch/JAX).

   Python