#java

Official Elasticsearch Java Client

ODK Collect is an Android app for filling out forms. It's been used to collect billions of data points in challenging environments around the world. Contribute and make the world a better place! ✨📋✨

Official plugins for Capacitor ⚡️

An annotation processor for generating type-safe bean mappers

Java SDK for Milvus.

MyBatis SQL mapper framework for Java

Spring integration for MyBatis 3

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Pluggable type-checking for Java

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Alfresco Out-Of-Process SDK for Java Developers

All Algorithms implemented in Java

Apache Calcite

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

Java implementation of JSON Web Token (JWT)

Flipt Client-Side Evaluation SDKs

Flyway by Redgate • Database Migrations Made Easy.

Generate types and converters from JSON, Schema, and GraphQL

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc

Main Liquibase Source

Microsoft Graph SDK for Java

The official MongoDB drivers for Java, Kotlin, and Scala

MyBatis integration with Spring Boot

A reference implementation of a JSON package in Java.

TestNG testing framework

A JVM library for all Twitch APIs, including Chat, Helix, and EventSub (webhook/websocket/conduit). It includes advanced features for large-scale apps such as connection pooling, rate-limiting, and more!

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

A fast JSONLogic rules engine: one Rust core with official bindings for Node.js, Python, Go, Java, .NET, PHP, and the browser (WASM), plus a React visual debugger.