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Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
MyBatis SQL mapper framework for Java
This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.
Build cross-platform Native Progressive Web Apps for iOS, Android, and the Web ⚡️
🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!
This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.
Vert.x is a tool-kit for building reactive applications on the JVM
🏗 Build container images for your Java applications.
Generate types and converters from JSON, Schema, and GraphQL
No clever tagline needed.
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
Admin UI for administration of spring boot applications
The Community Maintained High Velocity Web Framework For Java and Scala.
A configuration as code language with rich validation and tooling.
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.