Showing 1761 open source projects for "java-legacy"

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  • 1
    ZXing

    ZXing

    Barcode scanning library for Java, Android

    ZXing or “Zebra Crossing” is an open source multi-format 1D/2D barcode image processing library that’s been implemented in Java, and also comes with ports to other languages. It currently supports the following formats: UPC-A and UPC-E EAN-8 and EAN-13 Code 39 Code 93 Code 128 ITF Codabar RSS-14 (all variants) RSS Expanded (most variants) QR Code Data Matrix Aztec ('beta' quality) PDF 417 ('alpha' quality) MaxiCode ZXing is made up of several modules, including a core image decoding library, JavaSE-specific client code, and Android client Barcode Scanner. ...
    Downloads: 37 This Week
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  • 2
    status-react

    status-react

    A free (libre) open source, mobile OS for Ethereum

    ...We believe in a medium of pure free trade, economies with fair, permission-less access and a world without intermediaries. We want to create policies that can exist between friends or scale globally, we want to communicate securely and be uninhibited by legacy systems. Safely send, store and receive cryptocurrencies including ERC20 and ERC721 tokens with the Status crypto wallet. Only you hold the keys to your funds. Status' intuitive design protects you and your funds from attacks. Status uses an open-source, peer-to-peer protocol, and end-to-end encryption to protect your messages from third parties.
    Downloads: 6 This Week
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  • 3
    ServiceStack

    ServiceStack

    Simple, fast, versatile and full-featured services framework

    ...By using simple & pure dependency-free DTO models decoupled from any implementation we're free to continue layering on features which now sees ServiceStack APIs as the most versatile in the world where the same high-performance APIs can be consumed from HTTP in any combination of Route, QueryString, FormData or a myriad of data formats, via popular resilient MQ Servers whilst simultaneously supporting legacy integrations like SOAP or adopting new technologies like gRPC without sacrificing any native HTTP integrations. To maximize the value of APIs we're focused beyond the API boundary by making it as simple as possible for API Consumers to call your APIs.
    Downloads: 6 This Week
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  • 4
    GmsCore

    GmsCore

    Free implementation of Play Services

    microG GmsCore is a FLOSS (Free/Libre Open Source Software) framework to allow applications designed for Google Play Services to run on systems, where Play Services is not available. The linux-based open-source mobile operating system Android is not only the most popular mobile operating system in the world, it’s also on the way to becoming a proprietary operating system. How is that? While the core operating system is still released as part of the Android Open Source Project, the majority...
    Downloads: 211 This Week
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  • 5
    libGDX

    libGDX

    Desktop/Android/HTML5/iOS Java game development framework

    libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS. libGDX provides a well-tried and robust environment for rapid prototyping and fast iterations. libGDX does not force a specific design or coding style on you; it rather gives you the freedom to create a game the way you prefer.
    Downloads: 46 This Week
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  • 6
    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: 6 This Week
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  • 7
    J2ME-Loader

    J2ME-Loader

    A J2ME emulator for Android

    J2ME-Loader is a J2ME emulator for Android. It supports most 2D and 3D games (including Mascot Capsule 3D ones). Emulator has a virtual keyboard, individual settings for each application, scaling support. This project is a fork of J2meLoader. Enabling filtering in some cases can greatly reduce performance. Disable this option if the game is too slow. Image flickering issues can be fixed by enabling the "Immediate processing mode" option.
    Downloads: 40 This Week
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  • 8
    jte

    jte

    Secure and speedy templates for Java and Kotlin.

    jte (Java Template Engine) is a secure and lightweight template engine for Java and Kotlin. jte is designed to introduce as few new keywords as possible and build upon existing language features, making it straightforward to reason about what a template does. The IntelliJ plugin offers full completion and refactoring support for Java parts and jte keywords.
    Downloads: 7 This Week
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  • 9
    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: 16 This Week
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  • 10
    Gradle

    Gradle

    Adaptable, fast automation for all

    ...If you are building, testing, publishing, and deploying software on any platform, Gradle offers a flexible model that can support the entire development lifecycle from compiling and packaging code to publishing web sites. Gradle has been designed to support build automation across multiple languages and platforms including Java, Scala, Android, Kotlin, C/C++, and Groovy, and is closely integrated with development tools and continuous integration servers including Eclipse, IntelliJ, and Jenkins. From mobile apps to microservices, from small startups to big enterprises, Gradle helps teams build, automate and deliver better software, faster. Write in Java, C++, Python or your language of choice. ...
    Downloads: 72 This Week
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  • 11
    AmneziaWG for Android

    AmneziaWG for Android

    Android GUI for AmneziaWG

    AmneziaWG for Android is the Android graphical client for AmneziaWG. It provides a mobile interface for using the AmneziaWG protocol on Android devices. The project is built around a native Android codebase using Kotlin and Java. It includes the tunnel and UI components needed to manage AmneziaWG connections from a phone or tablet. The repository supports building from source with Gradle and submodules, which makes it useful for developers who want to inspect, customize, or package the client themselves. It is best suited for users and maintainers who need an Android-facing companion to the AmneziaWG protocol rather than a general-purpose VPN framework.
    Downloads: 31 This Week
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  • 12
    I2P

    I2P

    I2P is an anonymizing network to securely communicate

    The Invisible Internet is a privacy-by-design, people-powered network. It is a truly free and anonymizing Internet alternative. Get I2P. The Invisible Internet Project (I2P) is a fully encrypted private network layer. It protects your activity and location. Every day people use the network to connect with people without worry of being tracked or their data being collected. In some cases people rely on the network when they need to be discrete or are doing sensitive work. I2P hides the server...
    Downloads: 16 This Week
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  • 13
    Stremio Core

    Stremio Core

    Types, addon system, UI models, core logic

    Stremio Core is the Rust engine that powers Stremio’s apps by centralizing all reusable logic behind discovery, catalogs, metadata, streams, add-ons, and user/library state. It exposes a clean set of modules—types, addon_transport, and state_types—so apps can talk to add-ons, model UI state, and react to events without duplicating code. The architecture is inspired by Elm: immutable state, message-driven updates, and explicit side-effects (“effects”) keep behavior predictable and testable....
    Downloads: 0 This Week
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  • 14
    SecondScreen

    SecondScreen

    Better screen mirroring for Android devices

    SecondScreen is an application designed for power users that frequently connect their Android devices to external displays. It works with your existing screen mirroring solution to give you the best experience possible. With SecondScreen, you can change your device's resolution and density to fit your TV or monitor, enable always-on desktop mode in Chrome, and even turn your device's backlight off, among several other features.
    Downloads: 32 This Week
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  • 15
    Telegram SMS

    Telegram SMS

    An SMS-forwarding Robot Running on Your Android Device

    With the power of Telegram SMS, your multi-phone life is much easier than before. Receiving and sending SMS, relaying APP notifications, monitoring battery status. All stuff can be done with a single Telegram bot. You can use the bot in both private chat and group chat, in case you have more than 2 Android phones, or sharing the bot with other people. Telegram SMS connects with Telegram's bot API server directly, no 3rd-party services involved.
    Downloads: 32 This Week
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  • 16
    Etar Calendar

    Etar Calendar

    Android open source calendar

    Etar is an open-source material-designed calendar made for everyone.
    Downloads: 16 This Week
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  • 17
    Bazel

    Bazel

    Fast, scalable, multi-language and extensible build system

    ...Bazel only rebuilds what is necessary. With advanced local and distributed caching, optimized dependency analysis and parallel execution, you get fast and incremental builds. Build and test Java, C++, Android, iOS, Go and a wide variety of other language platforms. Bazel runs on Windows, macOS, and Linux. Bazel helps you scale your organization, codebase and Continuous Integration system. It handles codebases of any size, in multiple repositories or a huge monorepo. Easily add support for new languages and platforms with Bazel's familiar extension language. ...
    Downloads: 19 This Week
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  • 18
    Joda-Time

    Joda-Time

    Replacement for the Java date and time classes prior to Java SE 8

    The standard date and time classes prior to Java SE 8 are poor. By tackling this problem head-on, Joda-Time became the de facto standard date and time library for Java prior to Java SE 8. Note that from Java SE 8 onwards, users are asked to migrate to java.time (JSR-310) - a core part of the JDK which replaces this project. The design allows for multiple calendar systems, while still providing a simple API.
    Downloads: 2 This Week
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  • 19
    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: 35 This Week
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  • 20
    newpipeextractor

    newpipeextractor

    Library for extracting streaming site data without official APIs

    NewPipeExtractor is an open source Java library designed to extract data from streaming platforms by analyzing their web interfaces instead of relying on official APIs. It serves as the core extraction component used by the NewPipe Android application, but it is built as a standalone library that can also be integrated into other software projects. NewPipeExtractor provides a unified framework for retrieving information such as video streams, playlists, channels, and search results from supported streaming services. ...
    Downloads: 11 This Week
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  • 21
    capacitor

    capacitor

    Build cross-platform native progressive web apps for iOS and Android

    Capacitor is an open source native runtime for building Web Native apps. Create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. Capacitor’s native plugin APIs make it extremely easy to access and invoke common device functionality across multiple platforms. Build web-based applications that run equally well across iOS, Android, and as Progressive Web Apps. Access the full Native SDKs on each platform, and easily deploy to the App Stores (and the web)....
    Downloads: 37 This Week
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  • 22
    NetGuard

    NetGuard

    A simple way to block access to the internet per app

    NetGuard is an open-source Android firewall app that lets users control internet access on a per-app basis without requiring root access, making it a straightforward and flexible way to improve privacy and data usage management on mobile devices. By creating a local VPN service on the device, NetGuard intercepts and selectively blocks or allows network traffic for individual applications and addresses, supporting both Wi-Fi and mobile connections according to user preferences. This means you...
    Downloads: 31 This Week
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  • 23
    Hypatia

    Hypatia

    A realtime malware scanner

    Hypatia is a free and open-source malware scanner for Android that aims to provide on-device, real-time scanning with minimal battery and resource impact using signature-based detection inspired by ClamAV style databases. Designed as an Android app, it scans user filesystems and installed applications either on demand or in real time when files are written or renamed, operating completely offline aside from occasional signature database downloads. The project is offered under an AGPL-3.0...
    Downloads: 30 This Week
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  • 24
    RxJava

    RxJava

    Reactive Extensions for the JVM

    RxJava is a lightweight Java VM implementation of ReactiveX (Reactive Extensions). This is a library for the composition of asynchronous and event-based programs through observable sequences. It helps you write cleaner and simpler code by providing methods for solving problems quickly, and is easy to maintain and understand. RxJava works by extending the observer pattern in order to support sequences of data/events.
    Downloads: 4 This Week
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  • 25
    Jellyfin Android TV

    Jellyfin Android TV

    Android TV Client for Jellyfin

    Jellyfin Android TV is a Jellyfin client for Android TV, Nvidia Shield, and Amazon Fire TV devices. We welcome all contributions and pull requests! If you have a larger feature in mind please open an issue so we can discuss the implementation before you start. Jellyfin is the volunteer-built media solution that puts you in control of your media. Stream to any device from your own server, with no strings attached. Your media, your server, your way. Jellyfin enables you to collect, manage, and...
    Downloads: 26 This Week
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