1.keycloak / keycloak
Open Source Identity and Access Management For Modern Applications and Services
+560 stars
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3 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
Open Source Identity and Access Management For Modern Applications and Services
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.