Showing 690 open source projects for "java app"

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    MongoDB Atlas runs apps anywhere

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  • 1
    Playwright for Python

    Playwright for Python

    Python version of the Playwright testing and automation library

    ...Single API to automate Chromium, Firefox and WebKit. Capable automation for single page apps that rely on the modern web platform. Use the Playwright API in JavaScript & TypeScript, Python, .NET and, Java. With Playwright, test how your app behaves in Apple Safari with WebKit builds for Windows, Linux and macOS. Test locally and on CI. Use device emulation to test your responsive web apps in mobile web browsers. Playwright supports headless (without browser UI) and headed (with browser UI) modes for all browsers and all platforms. ...
    Downloads: 6 This Week
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  • 2
    Coze Studio

    Coze Studio

    An AI agent development platform with all-in-one visual tools

    Coze Studio is ByteDance’s open‑source, visual AI agent development platform. It offers no-code/low-code workflows to build, debug, and deploy conversational agents, integrating prompting, RAG-based knowledge bases, plugin systems, and workflow orchestration. Developed in Go (backend) and React/TypeScript (frontend), it uses a containerized microservices architecture suitable for enterprise deployment.
    Downloads: 4 This Week
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  • 3
    Scrimage

    Scrimage

    JVM - Java, Kotlin, Scala image processing library

    Scrimage is an immutable, functional, and performant JVM library for the manipulation of images. The aim of this library is to provide a simple and concise way to do common image operations, such as resizing to fit a required width and height, converting between formats, applying filters, and so on. It is easy to use from any language on the JVM. A typical use case for this library would be creating thumbnails of images uploaded by users in a web app, bounding a set of product images so that...
    Downloads: 5 This Week
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  • 4
    Excalibur

    Excalibur

    An easy to use 2D HTML5 game engine written in TypeScript

    ...Since Excalibur games are "just JavaScript", you can use native app packaging wrappers like Apache Cordova, Universal Windows Apps, or Electron to create cross-platform games. Tons of features to help build your game quickly.
    Downloads: 2 This Week
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    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional servicesβ€”without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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  • 5
    Micrometer

    Micrometer

    App observability facade for the most popular observability tools

    Micrometer provides a simple facade over the instrumentation clients for the most popular observability systems, allowing you to instrument your JVM-based application code without vendor lock-in. Think SLF4J, but for observability. Micrometer provides vendor-neutral interfaces for timers, gauges, counters, distribution summaries, and long task timers with a dimensional data model that, when paired with a dimensional monitoring system, allows for efficient access to a particular named metric...
    Downloads: 4 This Week
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  • 6
    PostHog

    PostHog

    PostHog provides open-source web & product analytics

    PostHog is an all‑in‑one open‑source platform for product and web analyticsβ€”offering event-based analytics, session recording, feature flagging, A/B testing, cohorts, and moreβ€”that you can self‑host, with full support for data privacy and enterprise compliance. Sync data from external tools like Stripe, Hubspot, your data warehouse, and more. Query it alongside your product data. Run custom filters and transformations on your incoming data. Send it to 25+ tools or any webhook in real time or...
    Downloads: 4 This Week
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  • 7
    JeecgBoot

    JeecgBoot

    Low-code enterprise web development platform

    JeecgBoot is a low-code platform built on Spring Boot that accelerates enterprise application development with online forms, code generation, and a modern Vue-based frontend. It can generate CRUD screens, data dictionaries, and menu structures from database schemas, producing clean starter code that developers can extend. The platform integrates common enterprise featuresβ€”RBAC permissions, data scopes, dictionary management, logging, and file/OSS integrationβ€”so teams start from a...
    Downloads: 1 This Week
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  • 8
    Java Service Wrapper
    Configurable tool which allows Java applications to be installed and controlled like native NT or Unix services. Includes fault correction software to automatically restart crashed or frozen JVMs. Critical when app is needed 24x7. Built for flexibility.
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    Downloads: 364 This Week
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  • 9
    CapRover

    CapRover

    Scalable PaaS (automated Docker+nginx), aka Heroku on Steroids

    ...Deploy apps in your own space (Node js, PHP, Python, Java literally any language!) Simple interface for many docker operations, exposing container ports to host, setting up persistent directories, instance count and etc. Optionally fully customizable Nginx config allowing you to enable HTTP2, specific caching logic, custom SSL certs and etc.
    Downloads: 4 This Week
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    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 10
    Android Interview Questions

    Android Interview Questions

    Your Cheat Sheet For Android Interview

    This repository is a comprehensive study guide for Android interviews, organized to cover the platform from fundamentals to advanced topics. It includes explanations and Q&A on the Android app lifecycle, activities and fragments, services, broadcast receivers, content providers, and the build system. Modern practices are addressed as wellβ€”Kotlin language features, coroutines, Jetpack components, MVVM/MVI architecture, dependency injection, and testing strategies. Performance and reliability...
    Downloads: 0 This Week
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  • 11
    Pedestal

    Pedestal

    The Pedestal Server-side Libraries

    Pedestal is a set of libraries that we use to build services and applications. It runs in the back end and can serve up whole HTML pages or handle API requests. There are a lot of tools in that space, so why did we build Pedestal? We had two main reasons. Pedestal is designed for APIs first. Most web app frameworks still focus on the "page model" and server-side rendering. Pedestal lets you start simple and add that if you need it. Pedestal makes it easy to create "live" applications....
    Downloads: 2 This Week
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  • 12
    Gideros

    Gideros

    Gideros Release version

    ...Apart from supporting multiple platforms, Gideros also provides automatic screen scaling and automatic selection of proper image resolution, which makes supporting different screen resolutions, aspect ratios, and universal projects an easy task. You can easily extend the core with plugins. Import your existing (C, C++, Java or Obj-C) code, bind to Lua, and interpret them directly. Dozens of open-source plugins are already developed and ready to use: ads, in-app purchases, physics for 2d or 3d, Steam integration, and many more.
    Downloads: 0 This Week
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  • 13
    ASAF - Another Swing App Framework

    ASAF - Another Swing App Framework

    an OSGi-based Swing Application Framework

    Downloads: 8 This Week
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  • 14

    Class Viewer for Java

    Lightweight, quick reference tool for Java developers.

    Full overview of public for a class: methods, constructors and fields, as well as its superclass and interfaces. Has free search of public methods. Can open directly to a method in JavaDocs with your preferred browser, which is set in ClassViewerConfig.xml--which can be easily edited with a text editor. Best ran from the command line. Can also go to your own code with a designated text editor--directly to a public method if your text editor supports a line number as an argument,...
    Downloads: 10 This Week
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  • 15
    GeoTools, the Java GIS toolkit

    GeoTools, the Java GIS toolkit

    Toolkit for working with and mapping geospatial data

    GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data. GeoTools is an Open Source Geospatial Foundation project. The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
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    Downloads: 241 This Week
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  • 16
    jwma (java webmail app) uses jakarta mail (formerly javamail) to provide access to an imap email store. Multiple users can authenticate, read, send and manipulate email storage and persist a list of contacts, email identities and their own individual preferences. It works with email stored in mbox or maildir format or stored in a derby database; it has been tested with dovecot.james and exim4.
    Downloads: 2 This Week
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  • 17
    Hyperion Android

    Hyperion Android

    App Debugging & Inspection Tool for Android

    Hyperion is a hidden plugin drawer that can easily be integrated into any app. The drawer sits discreetly under the app so that it is there when you need it and out of the way when you don't. Hyperion plugins are designed to make inspection of your app quick and simple. Be one of the first to create a third-party plugin. The plugin creation guide is a work in progress, but if you are feeling ambitious you can reference the plugins we have already created. To create your own plugin, implement...
    Downloads: 4 This Week
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  • 18
    EJE (Everyone's Java Editor)

    EJE (Everyone's Java Editor)

    Learn Java the easy way!

    EJE is a simple Java editor, perfect to learn Java, without learning a complex development tool. EJE is multi-platform (written in Java), light- weight, user-friendly and have several useful basic features. A good help to start with Java! Supports the study of the Java for Aliens book (www.javaforaliens.com), or other my books (Italian Language) like www.nuovojava.it.
    Downloads: 19 This Week
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  • 19
    AndroidIDE

    AndroidIDE

    AndroidIDE is an IDE for Android to develop full featured Android apps

    An IDE to develop real, Gradle-based Android applications on Android devices.
    Downloads: 89 This Week
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  • 20
    WMS for heavy industries

    WMS for heavy industries

    WMS/YMS designed for heavy industries

    WMS/YMS designed for heavy industries such as steel, metals, construction and others. The software consists of: 1 - Manager's desktop app (server); 2 - Yard worker's Android app (client). This is a free demo version. See project Wiki for more information. Contact us at contact@engitex.org to get the full version and the detailed manuals.
    Downloads: 7 This Week
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  • 21
    ProjectLibre - Project Management

    ProjectLibre - Project Management

    #1 alternative to Microsoft Project : Project Management & Gantt Chart

    ProjectLibre project management software: #1 free alternative to Microsoft Project w/ 7.8M+ downloads in 193 countries. ProjectLibre is a replacement of MS Project & includes Gantt Chart, Network Diagram, WBS, Earned Value etc. This site downloads our FOSS desktop app. 🌐 Try the Cloud: http://www.projectlibre.com/register/trial We also offer ProjectLibre Cloudβ€”a subscription, AI-powered SaaS for teams & enterprises. Cloud supports multi-project management w/ role-based access, central...
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    Downloads: 16,707 This Week
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  • 22

    internet-radio

    Desktop internet radio player for Windows β€” JavaFX

    🎡 Internet Radio App A lightweight and modern internet radio player built with Java 21 and JavaFX. Search and listen to thousands of radio stations worldwide using the open Radio-Browser API. ✨ Features 🌍 Global Station Search β€” find stations by name, country, or genre πŸŒ— Modern Dark UI β€” borderless interface with customizable accent colors 🎡 Synchronized Album Art β€” automatically fetched from the iTunes API πŸ“± MiniPlayer Mode β€” compact overlay player with volume and cover art ⌨️ Global Media Keys β€” control playback even when the app is minimized ⏺️ Live Recording β€” record streams directly to lossless .wav files πŸŒ™ Sleep Timer β€” auto-close after 15–60 minutes 🚫 Blacklist & Notifications β€” hide ads/unwanted tracks with keyword filtering πŸ“œ Persistent History β€” last played songs are saved between sessions 🌐 Multilingual β€” translations via external JSON language files Build as a portable app or a standalone Windows installer (no Java required)
    Downloads: 6 This Week
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  • 23

    Stanford Data Miner

    Tools for integration and analysis of heterogeneous immunological data

    An extensive description of this system is published in the Journal of Translational Medicine (http://www.translational-medicine.com/). In brief, the system consists of two main web applications, a data integration app and a data exploration app. The data integration app is a fully custom Java "Web 2.0" product called Sherpa. Sherpa uses Seam, a platform integrating Asynchronous JavaScript and XML (AJAX), JavaServer Faces (JSF), the Java Persistence API (JPA), and Enterprise Java Beans (EJB) 3.0. The data exploration app is an open source business intelligence product called JasperServer (version 3.7), customized through supported configuration changes. ...
    Downloads: 0 This Week
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  • 24
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other...
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    Downloads: 655 This Week
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  • 25
    BinEd Binary/Hex Editor

    BinEd Binary/Hex Editor

    Binary / hex editor and component written in Java

    Free and open source hex editor written in Java. This is standalone desktop app, library for Java applications as well as variants for Java IDEs are also available.
    Downloads: 23 This Week
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