Stars
Design patterns implemented in Java
High Performance Inter-Thread Messaging Library
Microservice Architecture with Spring Boot, Spring Cloud and Docker
🔎 Open source distributed and RESTful search engine.
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
Tiny, easily embeddable HTTP server in Java.
Java Solutions to problems on LintCode/LeetCode
The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.
Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.
Example code for the book Microservice patterns
AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.
Apache Nutch is an extensible and scalable web crawler
The official MongoDB drivers for Java, Kotlin, and Scala
The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.
Stream summarizer and cardinality estimator.
A distributed in-memory data store for the cloud
Broadleaf Commerce CE - an eCommerce framework based on Java and Spring
GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/
jsprit is a java based, open source toolkit for solving rich vehicle routing problems
alf.io - The open source ticket reservation system for conferences, trade shows, workshops, meetups
Example Spring codebase containing real world examples (CRUD, auth, advanced patterns, etc) that adheres to the RealWorld API spec.
Collection of 300+ best practices for Java persistence performance in Spring Boot applications