Java

openapi4j adapter for Vert.xopenapi4j/openapi4j

A Java-based OpenAPI 3 parser, JSON schema validator, and request/response validator for API tooling.

HelloIoTadrianromero/helloiot

A Java-based MQTT dashboard application for publishing, subscribing, and creating custom IoT monitoring interfaces.

ThunderSTORMzitmen/thunderstorm

An open-source ImageJ plugin for automated processing, analysis, and visualization of single molecule localization microscopy (SMLM) data.

artnet4jcansik/artnet4j

A Java and Processing library for sending and receiving DMX lighting data over IP using the Art-Net protocol.

ITS Geonetworkingalexvoronov/geonetworking

A Java implementation of the ETSI ITS G5 GeoNetworking stack for vehicular communication, supporting CAM-DENM, ASN.1 PER, BTP, and GeoNetworking protocols.

AntiCheatReloadedRammelkast/AntiCheatReloaded

A free, open-source anti-cheat plugin for Minecraft servers that detects and blocks various hacks and exploits.

noise4jczyzby/noise4j

A lightweight Java library for procedural map generation using noise, cellular automata, and dungeon algorithms.

Emissaryjoel-jeremy/emissary

A high-performance Java messaging library for decoupling requests and events from their handlers using annotations without reflection overhead.

kinesis-storm-spoutawslabs/kinesis-storm-spout

A Storm spout that fetches data records from Amazon Kinesis and emits them as tuples for real-time stream processing.

graphql CLIballerina-platform/graphql-tools

A CLI tool for generating GraphQL schemas from Ballerina services and Ballerina code from GraphQL schemas.

NoPermissionNoNews/NoPermission

A lightweight Android library for handling runtime permissions with a single class.

GraphAware Neo4j UUIDgraphaware/neo4j-uuid

A Neo4j module that automatically assigns immutable UUIDs to nodes and relationships with configurable policies.

react-native-networkingeduedix/react-native-networking

A deprecated React Native module for downloading and uploading files on iOS and Android.

CATGksen007/janala2

A concolic unit testing engine for Java programs that combines concrete and symbolic execution to generate test inputs.

jMAVSimPX4/jMAVSim

A lightweight Java-based multirotor simulator supporting MAVLink for drone autopilot development and testing.

clojure.jdbcfuncool/clojure.jdbc

A JDBC library for Clojure providing a functional, idiomatic API for database interactions.

dynamodb-streams-kinesis-adapterawslabs/dynamodb-streams-kinesis-adapter

A Java adapter that enables Amazon Kinesis Client Library (KCL) to consume and process data from DynamoDB Streams.

react-native-audioplayerandreaskeller/react-native-audioplayer

A lightweight React Native library for playing audio files on iOS and Android platforms.

WinThingmsiedlarek/winthing

A modular background service that enables remote control of Windows systems via MQTT for home automation and IoT.

Spring Data JPA MongoDB Expressionsmhewedy/spring-data-jpa-mongodb-expressions

A Spring Data JPA extension that allows querying relational databases using MongoDB query syntax, typically from frontend applications.

android-remote-notificationskaiwinter/android-remote-notifications

An Android library for pull-based remote notifications using JSON files, as an alternative to Google GCM/Amazon SNS.

Cassandra SStable Toolsinstaclustr/cassandra-sstable-tools

A suite of command-line tools for analyzing Apache Cassandra SSTables to optimize performance and troubleshoot data models.

Distributed GatlingAbiy/distGatling

A distributed load testing solution that enables running Gatling simulations across a cluster of machines for high-scale performance testing.

strawrwalk/straw

A scalable real-time search platform for streaming data using Apache Storm, Kafka, and Lucene.

ComingSpoonLabs/coming

A tool for mining commits from Git repositories to automatically extract code change pattern instances and features using AST analysis.

cassandra-migration-tool-javasmartcat-labs/cassandra-migration-tool-java

A lightweight Java tool for versioned schema and data migrations in Cassandra databases.

mph-tableindeedeng/mph-table

Immutable key/value store with efficient space utilization and fast reads, ideal for batch-built tables shipped to multiple servers.

jmeter-elasticsearch-backend-listeneranthonygauthier/jmeter-elasticsearch-backend-listener

JMeter plugin that sends test results to ElasticSearch for live monitoring and visualization.

dOOvdoov-io/doov

A fluent API for type-safe domain model validation and mapping using annotations, code generation, and a DSL.

RxJavaJoinsReactiveX/RxJavaJoins

Adds join operators to RxJava for combining multiple observable sequences based on pattern matching.

amazon-cognito-developer-authentication-sampleawslabs/amazon-cognito-developer-authentication-sample

A sample server application demonstrating developer-authenticated identities for Amazon Cognito, enabling custom authentication providers.

RxJavaMathReactiveX/RxJavaMath

Provides mathematical operators and utilities for RxJava to enable reactive numeric computations.

Gestaltgestalt-config/gestalt

A Java configuration library for type-safe, multi-source configuration management with automatic decoding and merging.

Event Sourcing ExamplePragmatists/eventsourcing-java-example

A simplified in-memory example of Event Sourcing with CQRS implementation in Java for the banking domain.

Task Keepernymanjens/piga

A self-hosted list editor for power users with extensive keyboard shortcuts and task management features.

Shuffle-MoveLoreinator/Shuffle-Move

A program that analyzes the board and recommends the best next move for the puzzle game Pokémon Shuffle.