Free and Open Source, Distributed, RESTful Search Engine

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

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

Zipkin is a distributed tracing system

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

Graphs for Everyone

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Free implementation of Play Services

Continuous Inspection

Source for the TechEmpower Framework Benchmarks project

Distributed object store

Mirror of Apache Samza

Universal Resolver implementation and drivers.

Core components of the Policy Machine, a NGAC reference implementation.