Spring GitHub Repositories (2026) · Open Source Tools

Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)

Spring Reactive playground

A Sentry SDK for Java, Android and other JVM languages.

Support for using OpenFeign in Spring Cloud apps

Chaos Monkey for Spring Boot

Spring Cloud Consul

REST version of the Spring Petclinic sample application

A Spring Framework application based on JSP, Spring MVC, Spring Data JPA, Hibernate and JDBC

Examples of the Packt book "Mastering Software Testing with JUnit 5: Comprehensive guide to develop high quality Java applications"

Provides support to increase developer productivity in Java when using Apache Cassandra. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

DHIS 2 Core. Written in Java. Contains the service layer and Web API.

Spring Cloud Circuit Breaker API and Implementations

Examples and Tutorials of Event Sourcing in JVM languages

Provides familiar Spring abstractions for HashiCorp Vault

Enterprise open source portal built by and for the higher education community.

All you need to know to get your Spring Boot application into production with AWS 🍃

Java web and command line applications demonstrating various security topics

LingFrame: A JVM Runtime Security Governance Solution for Long-Running Systems. It implements modular isolation and zero-trust permission control to deliver automatic method-level full-link tracing, security auditing, and zero-downtime canary releases.

A comprehensive security repo for modern Java backend applications. The only identity provider you’ll ever need.