OpenTelemetry auto-instrumentation and instrumentation libraries for Java

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline!

Java Uuid Generator (JUG) is a Java library for generating all standard (3 + 2) UUID versions.

A UUID library for Java.

Support for Consumer Driven Contracts in Spring

Apache Commons Lang

Home of the Renovate CLI: Cross-platform Dependency Automation by Mend.io

🔊 MP3 decoder library.

A sample Spring-based application

Open-source feature management platform

Java binary serialization and cloning: fast, efficient, automatic

Feature Flags for Java made easy

Out-of-the-box working samples for FF4J

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

A Persistent Java Collections Library

A spring boot starter for FF4J (Feature Flipping For Java)

OpenAPI Diff and Breaking Changes

Utility for comparing two OpenAPI specifications.

Object-Oriented Java primitives, as an alternative to Google Guava and Apache Commons

Feature Flags for the Java platform

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

An in-memory file system for Java 7+

GraalJS – A high-performance, ECMAScript compliant, and embeddable JavaScript runtime for Java

Samples for Spring Cloud Contract project

Spring for GraphQL and Query by Example Demo

Java bytecode engineering toolkit

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Failure handling and resilience patterns for the JVM