#java

Admin UI for administration of spring boot applications

Detect CI Environment from environment variables

HTML formatter for reporting Cucumber results

Cucumber tag expression parser

Regorus - A fast, lightweight Rego (OPA policy language) interpreter written in Rust.

Java SDK for Milvus.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

Vert.x is a tool-kit for building reactive applications on the JVM

Vert.x is a tool-kit for building reactive applications on the JVM

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.

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

QuestDB is a high performance, open-source, time-series database

Apache Flink

Apache MINA sshd is a comprehensive Java library for client- and server-side SSH.

The official MongoDB drivers for Java, Kotlin, and Scala

Java SDK for Serverless Workflow

T.J. Watson Libraries for Analysis, with front ends for Java, Android, and JavaScript, and many common static program analyses.

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

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

Java test automation framework for web, mobile, API, CLI, database, and desktop E2E testing with a fluent API and built-in reporting.

All Algorithms implemented in Java

Apache Spark - A unified analytics engine for large-scale data processing

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

Databricks SDK for Java

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

Flyway by Redgate • Database Migrations Made Easy.

PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.

A libyaml wrapper for Ruby

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python