doocs / advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

OtterMind / Chat2DB

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

alibaba / spring-ai-alibaba

Agentic AI Framework for Java Developers

Activiti / Activiti

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.

flowable / flowable-engine

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

alibaba / QLExpress

QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

jbangdev / jbang

Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

Netflix / mantis

A platform that makes it easy for developers to build realtime, cost-effective, operations-focused applications

MCreator / MCreator

MCreator is an open-source software used to make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons, resource packs, and data packs using an intuitive easy-to-learn interface or with an integrated code editor. It is used worldwide by Minecraft players, aspiring mod developers, for education, online classes, and STEM workshops.

steve-community / steve

SteVe - OCPP server implementation in Java. Your trusted open-source EV charging station management system since 2013. Used by CPOs, manufacturers and developers worldwide. Managed cloud →

googlesamples / android-testdpc

Test DPC is a sample device policy controller for use with Android Enterprise. It gives developers the ability to see how their app will behave in a managed context such as device owner or within a managed profile. Users can set up a work profile, enable work apps, set applications restrictions, manage security polices, and much more. The app also serves as a implementation reference for other DPCs

lucee / Lucee

Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.

GoogleChrome / android-browser-helper

The Android Browser Helper library helps developers use Custom Tabs and Trusted Web Activities on top of the AndroidX browser support library.

lakernote / easy-postman

An open-source API debugging and stress testing tool inspired by Postman and a simplified JMeter, optimized for developers with a clean UI and powerful features.

Esri / geometry-api-java

The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.

gentics / mesh

Gentics Mesh - The open source headless CMS for developers

Erudika / para

Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)

PaladinCloud / CE

Paladin Cloud is an extensible, cloud security platform for developers. Join the community at https://discord.gg/xvCFD29Jj4

YeamimHossainSajid / CodeMonk

CodeMonk 🥋 —>An open-source AI powered code intelligence platform that helps developers understand, explore, and navigate complex codebases using modern Spring Boot, Spring AI, RAG, knowledge graphs, and intelligent code analysis

ironwood-lang / ironwood

Ironwood is an ahead-of-time compiled, object-oriented language for high-performance native applications. It preserves the familiar Java syntax, object model, and everyday APIs that Java developers already know, while producing optimized native executables with no JVM, JIT, or garbage collector.