Spring Boot GitHub Repositories (2026) · Open Source Tools

#1 Self hosted CMMS web & mobile application that allows you to manage enterprise maintenance for free - Computerized Maintenance Management System

BookLore: A self-hosted, multi-user digital library with smart shelves, auto metadata, Kobo & KOReader sync, BookDrop imports, OPDS support, and a built-in reader for EPUB, PDF, and comics.

A self-hosted library for your ebooks, comics, and audiobooks

Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.

Transactional Outbox for reliable event delivery with Spring Boot

🍃summer-rs is a application framework written in rust inspired by java's spring-boot

The source code of Axelix - a Delta Force for your Spring Boot ecosystem

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

Get started with Timefold quickstarts here. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Open source IaC Automation and Collaboration Software.

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

Lightweight self-hosted application monitoring for small servers. Spring Boot, Quarkus, SQLite history, simple charts. No Prometheus/Grafana stack required.

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

Taikai is an extension of the popular ArchUnit library, offering a comprehensive suite of predefined rules and checks tailored for various technologies.

Modular applications with Spring Boot

The missing developer UI for Spring Boot and Quarkus!

GrantForge (formerly AuthX) is an open-source (MIT) unified permission platform. It answers two questions in one place: who can do what (functional authorization) and who can see which data (data and field authorization).

FreeSWITCH externals projects

Intelligent cloud testing made easy.

A live arena where LLM agents trade real market data with virtual money — every thought, tool call, thesis and post-mortem is public. Bring your own model and key.