Learn System Design concepts and prepare for interviews using free resources.

jOOQ is the best way to write SQL in Java

Admin UI for administration of spring boot applications

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Initial Commit

In this course we will start from a traditional three layer architecture and systematically build towards a Clean Architecture using Domain Driven Design.

Event Sourcing and CQRS in practice.

A DDD (Domain Driven Design) Library, derived from the idea of Eric Evans' book: 'Domain-Driven Design: Tackling Complexity in the Heart of Software'

Domain-driven design example in Java with Spring framework

Sample ES/CQRS application

The missing, complete example of Domain-Driven Design enterprise application backed by Spring stack

A simplified (in memory) example of Event Sourcing implementation for banking domain.

An Hexagonal Architecture service template with DDD, CQRS, TDD and SOLID using .NET Core 2.0. All small features are testable and could be mocked. Adapters could be mocked or exchanged.

CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

Spring JavaConfig example for Spring MVC / Spring Data JPA / Hibernate

JMH benchmark of Java object-to-object mapping frameworks

A fast Java JSON schema validator that supports draft V4, V6, V7, V2019-09 and V2020-12

Java JWT: JSON Web Token for Java and Android

Asynchronous Http and WebSocket Client library for Java

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...

JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

List of Spring Boot Tutorials

SpotBugs plugin for SonarQube

A high performance caching library for Java

Distributed lock for your scheduled tasks

Jasypt integration for Spring boot

Java Client Library for HTTP Signatures