Privacy Tools
re:claimID
Self-sovereign SSI system built on top of a secure directory service: The GNU Name System (GNS). The GNS technical standardization is currently work-in-progress, expected 2022.

Attribute-based encryption
Attribute-based encryption crypto library. Used in various research projects, particularly in the cancer research domain.
GithubCrates.io

Authorization server
Standard-compliant OAuth2.0 and OpenID Connect server. Productive use in the International Data Space domain. Testbed for SSI technologies (SSI, DID).
Github
Privacy credentials
Implementation of BBS+ blind signatures using BLS12-381 for use in privacy-friendly credentials (e.g., Verifiable Presentations) for selective disclosure and Zero-Knowledge Proofs.
Github
Fraunhofer-Institut für Angewandte und Integrierte Sicherheit