All Algorithms implemented in Java

a fast, scalable, multi-language and extensible build system

Apache Druid: a high performance real-time analytics database.

Style and Grammar Checker for 25+ Languages

A list of useful Java frameworks, libraries, software and hello worlds examples

Generates a unified GraphQL schema from gRPC microservices and other Protobuf sources

SQLite JDBC Driver

CloudSim: A Framework For Modeling And Simulation Of Cloud Computing Infrastructures And Services

ADempiere Business Suite ERP/CRM/MFG/SCM/POS done the Bazaar way in an open and unabated fashion. Focus is on the Community that includes Subject Matter Specialists, Implementors and End-Users.

Exercism exercises in Java.

Framework for Mobile test automation (Native app and Browser) on Android and IOS devices