Free and Open Source, Distributed, RESTful Search Engine

Open Source Identity and Access Management For Modern Applications and Services

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

QuestDB is a high performance, open-source, time-series database

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

A free, secure and open source app for Android to manage your 2-step verification tokens.

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.

🔐 Secure your cluster with TLS, numerous authentication backends, data masking, audit logging as well as role-based access control on indices, documents, and fields

A Java implementation of the Simple Certificate Enrolment Protocol