Spotify

license

Apache-2.0(OSI)

source

public

core-gated

ungated

Apache-2.0 license body confirmed. The repository is public and unarchived and builds the whole product, and the README describes no paid tier, enterprise edition or license-gated build beside it, so source is public and the core ungated.

• https://github.com/spotify/annoy/blob/main/LICENSE recorded 2026-08-18

  LICENSE file is the verbatim Apache-2.0 text

• https://api.github.com/repos/spotify/annoy recorded 2026-08-18

  Repo metadata - license spdx_id Apache-2.0, private false, archived false, default branch main - for spotify/annoy.

• https://github.com/spotify/annoy/blob/main/README.rst recorded 2026-08-18

  README describes a C++ library with Python bindings searching for near points in space using read-only file-based structures that are mmapped so many processes share one index, with no paid tier, enterprise edition or license-key-gated build beside it.