Best 3,039 Java Open Source Projects


Ip2region is a offline IP location library with accuracy rate of 99.9% and 0.0x millseconds searching performance. DB file is ONLY a few megabytes with all IP address stored. binding for Java,PHP,C...


mal - Make a Lisp


We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

Scipio Erp

Your Online Business Kit - Build your own business applications. Create your own online shop. Customize to your own needs.

Moqui Framework

Use Moqui Framework to build enterprise applications based on Java. It includes tools for databases (relational, graph, document), local and web services, web and other UI with screens and forms, s...


Business Application Platform


iDempiere. Community Powered Enterprise. Full Open Source Business Suite ERP/CRM/MFG/SCM/POS


Desktop/Android/HTML5/iOS Java game development framework


The NASA WorldWind Java SDK (WWJ) is for building cross-platform 3D geospatial desktop applications in Java.


FlatBuffers: Memory Efficient Serialization Library


Generate types and converters from JSON, Schema, and GraphQL

Open Location Code

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

Lsp Mode

Emacs client/library for the Language Server Protocol

Generator Jhipster

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


An Android Alerting Library