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RESEARCH / OPEN SOURCE

Shared foundations. Open possibilities.

Explore specifications and libraries published from HAT research and development. Each listed project has a verified public source repository and license.

These are public software projects. NERP and Hatter as whole products are not offered as open source. Counts are dated snapshots; unavailable and stale observations are not zero.

HAT / Open source

npm

2026-09-14 – 2026-10-13

2,028

Available records only · Available 6 · Unavailable 0 · Stale 0

crates.io

2026-09-14 – 2026-10-13

—

Available records only · Available 0 · Unavailable 1 · Stale 0

OSS · Apache-2.0

hat-japan-administrative-areas

Public data and software for Japanese administrative areas.

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OSS · Apache-2.0

ihat-identity-contracts

Shared identity-boundary contracts for iHAT.

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