



USearch is a lightweight, header-only C++ library for ANN search with HNSW and scalar quantization, optimized for low RAM and high-speed on CPU. It supports binary and custom metrics for edge devices. Compared to Faiss, USearch is simpler, faster on small datasets, and embeddable without deps.
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USearch
C++ library with Python bindings for vector search.
Free and open-source.
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