hnswlib
Add fast approximate nearest-neighbour search with a header-only C++ library and Python bindings.
What’s included for free?
Open-source software is available without a vendor usage quota. Library is free; the current upstream readme highlights a release candidate, so pin a stable release for production.
Provider information ↗Checked 2026-10-31
Before you use it
Apache-2.0
Provider terms can change. Check current pricing and usage rights before starting a project.