Showing 51230 open source projects for "java"

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  • 1
    ta4j

    ta4j

    A Java library for technical analysis

    Ta4j is an open-source Java library for technical analysis. It provides the basic components for the creation, evaluation, and execution of trading strategies. Ta4j is available on Maven Central. You can also download example code from the maven central repository. The wiki is the best place to start learning about ta4j. For more detailed questions, please use the issues tracker.
    Downloads: 15 This Week
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  • 2
    OpenJ9

    OpenJ9

    A Java Virtual Machine for OpenJDK

    ...Eclipse OpenJ9 is an independent implementation of a Java Virtual Machine. "Independent implementation" means it was built using the Java Virtual Machine specification without using any code from any other Java Virtual Machine. The OpenJ9 JVM combines with the Java Class libraries from OpenJDK to create a complete JDK tuned for footprint, performance, and reliability that is well suited for cloud deployments.
    Downloads: 5 This Week
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  • 3
    KonaBess

    KonaBess

    A GPU overclock & undervolt tool for various Snapdragon chips

    KonaBess is a straightforward application designed to customize GPU frequency and voltage tables without the need for kernel recompilation. The application achieves customization by unpacking the Boot/Vendor Boot image, decompiling and editing relevant dtb (device tree binary) files, and finally repacking and flashing the modified image. The extent of improvement varies, with some users reporting a 25% reduction in power consumption in the graphics benchmark (4.2w->3.2w) after undervolting...
    Downloads: 51 This Week
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  • 4
    SpotBugs

    SpotBugs

    A tool for static analysis to look for bugs in Java code

    ...However, it can analyze programs compiled for any version of Java, from 1.0 to 1.9. To build the SpotBugs plugin for Eclipse, you'll need to create the file eclipsePlugin/local.properties, containing a property eclipseRoot.dir that points to an Eclipse installation's root directory (see .travis.yml for an example), then run the build.
    Downloads: 15 This Week
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    DataHub

    DataHub

    The Metadata Platform for your Data and AI Stack

    DataHub is an open source metadata platform that helps organizations discover, understand, and trust their data assets at scale. It models data as a richly connected graph spanning datasets, dashboards, pipelines, ML features, and services, so users can explore relationships like lineage and ownership across tools and domains. The platform focuses on continuous metadata ingestion from many sources, treating metadata as a stream that stays fresh as systems change. A modern web UI and search...
    Downloads: 88 This Week
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  • 6
    BedrockConnect

    BedrockConnect

    Join any Minecraft Bedrock Edition server IP on Xbox One

    On Minecraft Bedrock Edition, players on Xbox One, Nintendo Switch, and PS4/PS5 are limited to playing on 'Featured Servers' approved by Mojang/Microsoft. These players are not able to join servers via an IP/address. This is an issue for me and others, as the server community on Java edition was one of the major parts that made Minecraft what it was, and what also made the servers that are now considered 'Mojang Server Partners' what they are today. I wanted to fix this, so I made a solution that anyone can set up easily.
    Downloads: 28 This Week
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  • 7
    Suwayomi-Server

    Suwayomi-Server

    A rewrite of Tachiyomi for the Desktop

    ...Suwayomi is an independent Tachiyomi compatible software and is not a Fork of Tachiyomi. Suwayomi-Server is as multi-platform as you can get. Any platform that runs java and/or has a modern browser can run it. This includes Windows, Linux, macOS, chrome OS, etc. Follow Downloading and Running the app for installation instructions.
    Downloads: 22 This Week
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  • 8
    NewPipe

    NewPipe

    A libre lightweight streaming front-end for Android

    NewPipe is a free, open-source Android application that serves as a lightweight and privacy-friendly streaming front-end for platforms like YouTube, PeerTube, Bandcamp, and SoundCloud, letting users watch media without relying on proprietary APIs or Google Play Services. It intentionally avoids collecting personal data and doesn’t require sign-ins, giving people control over their privacy while still offering features like video search, history, channel subscriptions, and playlists directly...
    Downloads: 84 This Week
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  • 9
    J2CL

    J2CL

    Java to Closure JavaScript transpiler

    J2CL is a lightweight transpiler developed by Google that converts Java source code into highly optimized JavaScript designed to work seamlessly with the Closure Compiler. It allows developers to write applications in Java while targeting web environments, enabling strong type safety and code reuse across platforms. Unlike monolithic frameworks, J2CL focuses purely on transpilation, leaving optimization, bundling, and runtime concerns to the broader toolchain, which provides flexibility in modern development workflows. ...
    Downloads: 6 This Week
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  • 10
    JOML

    JOML

    A Java math library for OpenGL rendering calculations

    JOML is a high-performance, lightweight math library designed for 3D graphics applications in Java, particularly those using OpenGL, Vulkan, or LWJGL. It provides a complete suite of vector, matrix, quaternion, and geometry operations essential for real-time graphics and game development. Unlike other math libraries, JOML avoids object allocation during calculations, making it highly optimized for garbage-free performance. With precise control over mathematical operations and compatibility with low-level APIs, JOML is a go-to library for Java developers working on real-time 3D engines and simulations.
    Downloads: 12 This Week
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  • 11
    SoapUI

    SoapUI

    SoapUI is a free and open source cross-platform functional testing

    SoapUI is the world's leading testing tool for API testing. See the SoapUI website to learn more. By downloading our software, you agree to our license and privacy policy. Automate and fit API testing into your team’s continuous delivery pipeline with the next-generation tool built for validation of REST, SOAP, GraphQL, microservices, and other back-end services. This is for developers and testers looking to accelerate their ability to deliver REST, SOAP, and GraphQL APIs. SoapUI Open Source...
    Downloads: 69 This Week
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  • 12
    pmd

    pmd

    An extensible multilanguage static code analyzer

    ...It supports Java, JavaScript, Salesforce.com Apex and Visualforce, Modelica, PLSQL, Apache Velocity, XML, XSL, and Scala. Additionally, it includes CPD, the copy-paste-detector. CPD finds duplicated code in C/C++, C#, Dart, Fortran, Go, Groovy, Java, JavaScript, JSP, Kotlin, Lua, Matlab, Modelica, Objective-C, Perl, PHP, PLSQL, Python, Ruby, Salesforce.com Apex, Scala, Swift, Visualforce and XML.
    Downloads: 9 This Week
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  • 13
    JavaCV

    JavaCV

    Java interface to OpenCV, FFmpeg, and more

    JavaCV uses wrappers from the JavaCPP Presets of commonly used libraries by researchers in the field of computer vision (OpenCV, FFmpeg, libdc1394, FlyCapture, Spinnaker, OpenKinect, librealsense, CL PS3 Eye Driver, videoInput, ARToolKitPlus, flandmark, Leptonica, and Tesseract) and provides utility classes to make their functionality easier to use on the Java platform, including Android. JavaCV also comes with hardware accelerated full-screen image display (CanvasFrame and GLCanvasFrame), easy-to-use methods to execute code in parallel on multiple cores (Parallel), user-friendly geometric and color calibration of cameras and projectors (GeometricCalibrator, ProCamGeometricCalibrator, ProCamColorCalibrator), detection and matching of feature points (ObjectFinder), a set of classes that implement direct image alignment of projector-camera systems (mainly GNImageAligner, ProjectiveTransformer, ProjectiveColorTransformer, ProCamTransformer, and ReflectanceInitializer), and more.
    Downloads: 22 This Week
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  • 14
    checkstyle

    checkstyle

    Development tool to help programmers write standard Java code

    Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. It automates the process of checking Java code to spare humans of this boring (but important) task. This makes it ideal for projects that want to enforce a coding standard. Checkstyle is highly configurable and can be made to support almost any coding standard. An example configuration files are supplied supporting the Sun Code Conventions, Google Java Style. ...
    Downloads: 8 This Week
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  • 15
    Retrofit

    Retrofit

    Type-safe HTTP client for Android and Java by Square

    Retrofit is a type-safe HTTP client for Android and Java developed by Square. It allows developers to define REST API calls using simple interface annotations, automatically converting responses into Java objects using converters like Gson or Moshi. Retrofit greatly simplifies network requests by abstracting away boilerplate code, making API integration in mobile and Java apps seamless and maintainable.
    Downloads: 7 This Week
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  • 16
    BiglyBT

    BiglyBT

    Feature-filled Bittorrent client based on the Azureus open source

    ...BiglyBT includes detailed torrent management tools, built-in swarm merging, VPN detection, I2P support, and streaming capabilities. It’s highly customizable and supports a wide range of plugins, automation tools, and scheduling options. The client runs on Java and is available across major desktop platforms.
    Downloads: 25 This Week
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  • 17
    GanttProject

    GanttProject

    Official GanttProject repository

    GanttProject is a cross-platform desktop application for project scheduling and Gantt chart creation. It allows users to create tasks, assign resources, and track progress with ease. GanttProject is aimed at small teams and individuals who need offline project planning without the complexity or cost of enterprise tools.
    Downloads: 35 This Week
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  • 18
    ProGuard

    ProGuard

    ProGuard, Java optimizer and obfuscator

    ProGuard is a free shrinker, optimizer, obfuscator, and preverifier for Java bytecode. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. ProGuard can be run as a task in Gradle. Before you can use the proguard task, you have to make sure Gradle can find it in its class path at build time.
    Downloads: 21 This Week
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  • 19
    Codename One

    Codename One

    Cross-platform framework for building truly native mobile apps

    ...Build beautiful UI with Codename One’s rich set of widgets, specifically designed for mobile apps. Native look and feel out of the box, but fully themeable using CSS to provide your own unique look. Compiles Java or Kotlin into native code for iOS, UWP (Universal Windows Platform), Android and even JavaScript (with seamless PWA and Thread support) Changes you make in your Java/Kotlin source code will be applied immediately to your already-running app in the simulator.
    Downloads: 14 This Week
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  • 20
    MyBatis

    MyBatis

    MyBatis SQL mapper framework for Java

    ...MyBatis eliminates almost all of the JDBC code and manual setting of parameters and retrieval of results. MyBatis can use simple XML or Annotations for configuration and map primitives, Map interfaces and Java POJOs (Plain Old Java Objects) to database records. Every MyBatis application centers around an instance of SqlSessionFactory. A SqlSessionFactory instance can be acquired by using the SqlSessionFactoryBuilder. SqlSessionFactoryBuilder can build a SqlSessionFactory instance from an XML configuration file, or from a custom prepared instance of the Configuration class. ...
    Downloads: 14 This Week
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  • 21
    JAVE2

    JAVE2

    The JAVE (Java Audio Video Encoder) library is Java wrapper

    JAVE2 is a Java-based wrapper library for FFmpeg that enables developers to perform audio and video encoding operations through a structured and object-oriented API. It simplifies interaction with FFmpeg by abstracting command-line complexity into reusable Java components. The library supports tasks such as transcoding, format conversion, and media extraction, making it suitable for backend multimedia services.
    Downloads: 4 This Week
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  • 22
    springdoc-openapi

    springdoc-openapi

    Library for OpenAPI 3 with spring-boot

    An extended support for springdoc-openapi v1 project is now available for organizations that need support beyond 2023. The springdoc-openapi Java library helps automating the generation of API documentation using Spring Boot projects. springdoc-openapi works by examining an application at runtime to infer API semantics based on Spring configurations, class structure and various annotations. The library automatically generates documentation in JSON/YAML and HTML formatted pages. ...
    Downloads: 14 This Week
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  • 23
    Gephi

    Gephi

    Gephi the open graph Viz platform

    Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free. Gephi is an award-winning open-source platform for visualizing and manipulating large graphs. It runs on Windows, Mac OS X and Linux. Localization is available in English, French, Spanish, Japanese, Russian, Brazilian Portuguese, Chinese, Czech and German. Fast Powered by a built-in OpenGL engine, Gephi is able to push the envelope with very large networks....
    Downloads: 62 This Week
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  • 24
    Selenium

    Selenium

    Browser automation framework and ecosystem

    Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should) also be automated as well. If you want to create robust, browser-based regression automation suites and tests, scale and distribute scripts across many environments, then you want to use Selenium WebDriver, a collection of language...
    Downloads: 81 This Week
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  • 25
    Unciv

    Unciv

    Open-source Android/Desktop remake of Civ V

    Unciv is an open-source reimplementation of the game Civilization V in Java using LibGDX. It focuses on replicating the core gameplay mechanics in a lightweight, mobile- and desktop-friendly format, supporting both single-player and multiplayer modes. Unciv uses a minimalist art style and text-based UI to deliver a fast, turn-based strategy experience.
    Downloads: 127 This Week
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