301.commons-app / apps-android-commons
The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
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The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
A networking framework that evolves with your application
Canonical GTFS Validator project for schedule (static) files.
A lightweight, modular Java application framework for web and CLI development, designed for AI integration and plugin-based architecture. Enabling developers to create robust solutions with ease for building efficient and scalable applications.
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
Java MQTT lightweight broker
OpenDDS is an open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS). OpenDDS also supports Java bindings through JNI.
🛡️ Protect your Minecraft server and lets players claim areas
A library for communication with a Minecraft client/server.
A damn simple library for building production-ready RESTful web services.
[Android] Round Corner Progress Bar Library for Android
The Chemistry Development Kit
The official Android app for OneBusAway
Learning Management System OpenOlat
A curated, opinionated list of best-in-class books for modern software development, popular programming languages, and AI/ML.
👨🎓 Java Core Sprout : basic, concurrent, algorithm
The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.
The missing bridge between Java and native C++
jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.
Official plugins for Capacitor ⚡️
Customize Skin, Cape and Elytra in Minecraft 1.8-1.21
Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc
Java bytecode engineering toolkit
Apache Cordova Android
iWF is a Workflow-As-Code microservice orchestration platform offering an orchestration coding framework and service for building resilient, fault-tolerant, scalable long-running processes
Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器
Nuts Java Package Manager
AI Code Completions
Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.
A reference implementation of a JSON package in Java.
Fault tolerance and resilience patterns for the JVM
Prometheus instrumentation library for JVM applications
Identifies and prioritizes Class and Package Cycles and Anti-pattens in Java & Kotlin codebases you should refactor first.
Clinical Quality Language (CQL) is an HL7 specification for the expression of clinical knowledge that can be used within both the Clinical Decision Support (CDS) and Clinical Quality Measurement (CQM) domains. This repository contains complementary tooling in support of that specification.
phase4 - AS4 client and server for integration into existing systems. Specific support for Peppol and CEF eDelivery built-in.
Stendhal is a fun friendly and free multiplayer online adventure game with an old school feel.
Java client for NATS
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Asynchronous, non-blocking HTTP & WebSocket client for the JVM
Learn the DSA and be Interview ready
Fast, safe, complete libvips bindings for image processing in Java / JVM projects
An OpenJDK release maintained and supported by SAP
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux
Universal cheminformatics toolkit, utilities and database search tools
The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/
Twitter Text Libraries. This code is used at Twitter to tokenize and parse text to meet the expectations for what can be used on the platform.
Automated driver management and other helper features for Selenium WebDriver in Java
Enhancing Java Stream API
P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
The Enterprise-ready testing and specification framework.
Master repository for the JGraphT project
The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.
Artificial Intelligence framework for games based on libGDX or not. Features: Steering Behaviors, Formation Motion, Pathfinding, Behavior Trees and Finite State Machines
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
An Android Animation library which easily add itemanimator to RecyclerView items.
A declarative API to handle Android runtime permissions.
Brings the popular ruby faker gem to Java
:ballot_box_with_check: [Cheatsheet] Tips and tricks for Android Development
Alibaba Dragonwell8 JDK
Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.
A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.
Realm is a mobile database: a replacement for SQLite & ORMs
:gem:Collection of algorithms and data structures
A thin Java wrapper to access the Steamworks API
The open-source Java obfuscation tool working with Ant and Gradle by yWorks - the diagramming experts
Free self-hosted mangas/comics/light novels media server
The project demonstrates how you can develop applications with Jakarta EE using widely adopted architectural best practices like Domain-Driven Design (DDD).
Modern Reactive CQRS Architecture Microservice development framework based on DDD and EventSourcing | 基于 DDD & EventSourcing 的现代响应式 CQRS 架构微服务开发框架
Eclipse Platform - a comprehensive set of frameworks and common services that collectively provide a powerful software development infrastructure.
Jollyday - A worldwide public holidays library
GraphQL Java implementation
Android Library that lights items for tutorials or walk-throughs etc...
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
:coffee: SonarSource Static Analyzer for Java Code Quality and Security
Record builder generator for Java records
Unleash public transport data in your Java project.
A powerful, platform-independent, visual editor for complex 2D worlds and scenes.
SquirrelJME is a Java ME 8 Virtual Machine for embedded and Internet of Things devices. It has the ultimate goal of being 99.9% compatible with the Java ME standard.
The official MongoDB drivers for Java, Kotlin, and Scala
High performance JVM JSON library
ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.
Binary Artifact Management Tool
Mirror of Apache Openmeetings
Computer Graphics and Gaming API (Vulkan, OpenGL, GLFW, STB, ...) bindings for Java using Java 22 FFM APIs
An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)
A customizable and easy to use BottomBar navigation view with sleek animations, with support for ViewPager, ViewPager2, NavController, and badges.
Dicoogle - Open Source PACS
PHPStorm Plugin for Magento 2
The easiest way to share and manage your Git, Mercurial and Subversion repositories over http.
A Java library for capturing, crafting, and sending packets.
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift
Apache Wicket - Component-based Java web framework