Showing 33302 open source projects for "java open source"

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    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
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  • 1
    Bun

    Bun

    Incredibly fast JavaScript runtime, bundler, test runner

    Develop, test, run, and bundle JavaScript & TypeScript projects—all with Bun. Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node. js-compatible package manager. Bun is a new JavaScript runtime built from scratch to serve the modern JavaScript ecosystem. Bun starts fast and runs fast. It extends JavaScriptCore, the performance-minded JS engine built for Safari. As computing moves to the edge, this is critical. Bun provides a...
    Downloads: 88 This Week
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  • 2
    APKUpdater

    APKUpdater

    Simplify the process of finding updates for your installed apps

    APKUpdater is an open source tool that simplifies the process of finding updates for your installed apps. It provides similar functionality to an app store, but instead of depending on a single source, it aggregates the results from APKMirror, Aptoide, F-Droid and Google Play. Schedule background update checks and receive a notification when updates are found.
    Downloads: 60 This Week
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  • 3
    teams-for-linux

    teams-for-linux

    Unofficial Microsoft Teams for Linux client

    This is an unofficial Microsoft Teams client. The official client for Linux is rumored to be retired by end of 2022. Please do report bugs and questions in the issues section. We will try to attend them at the earliest. PRs and suggestions are welcomed. We will continue to support the community. Unofficial Microsoft Teams client for Linux using Electron. It uses the Web App and wraps it as a standalone application using Electron. Binaries are available under releases for AppImage, rpm, deb,...
    Downloads: 81 This Week
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  • 4
    Insomnia API Client

    Insomnia API Client

    The open-source, cross-platform API client for GraphQL

    Insomnia is an open-source, cross-platform API client for GraphQL, REST, and gRPC. Deliver high-quality APIs through standards and collaboration with the Insomnia API design platform. There is a reason developers love Insomnia. With our streamlined API client, you can quickly and easily send REST, SOAP, GraphQL, and GRPC requests directly within Insomnia.
    Downloads: 46 This Week
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  • 5
    KiCad

    KiCad

    This is an active mirror of the KiCad development branch

    KiCad's PCB Editor is approachable enough to make your first PCB design easy, and powerful enough for complex modern designs. A powerful interactive router and improved visualization and selection tools make layout tasks easier than ever. This is an active mirror of the KiCad development branch, which is hosted at GitLab (updated every time something is pushed).
    Downloads: 74 This Week
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  • 6
    Sliver

    Sliver

    Adversary Emulation Framework

    Sliver is an open source cross-platform adversary emulation/red team framework, it can be used by organizations of all sizes to perform security testing. Sliver's implants support C2 over Mutual TLS (mTLS), WireGuard, HTTP(S), and DNS and are dynamically compiled with per-binary asymmetric encryption keys. The server and client support MacOS, Windows, and Linux.
    Downloads: 54 This Week
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  • 7
    k6

    k6

    A modern load testing tool, using Go and JavaScript

    The best developer experience for load testing. Open source and SaaS for engineering teams. Test early and continuously—break the QA silo in performance testing. Backend and frontend engineers prevent regressions when running performance tests. Test scalability to improve your reliability targets. Test SLOs and avoid SLA breaches. Shift left and collaborate with developers for effective and continuous testing.
    Downloads: 50 This Week
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  • 8
    Deskreen

    Deskreen

    Deskreen turns any device with a web browser into a secondary screen

    Use any device with a web browser as a second screen for your computer (with the help of Virtual Display Adapter). Share your computer entire screen to any device that has a web browser. Limit Deskreen to share only a single application view to any device with a web browser. If you are a video blogger and you need a teleprompter, or you need to look at the camera during a video conference, Flip Screen Mode is just for you. Deskreen can share screen video over WiFi. No cables are needed....
    Downloads: 80 This Week
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  • 9
    Apache Flink

    Apache Flink

    Stream processing framework with powerful stream

    Apache Flink is a distributed engine for stateful computations over data streams and batches, designed for low-latency processing at scale. Its core runtime executes dataflow graphs with fine-grained backpressure and checkpointing, allowing applications to recover consistently from failures. Flink’s event-time model and watermarks enable accurate out-of-order processing, windowing, and complex time semantics that typical real-time systems struggle with. Developers program against high-level...
    Downloads: 1 This Week
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    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 10
    NullAway

    NullAway

    A tool to help eliminate NullPointerExceptions (NPEs) in your code

    NullAway is a tool to help eliminate NullPointerExceptions (NPEs) in your Java code. To use NullAway, first add @Nullable annotations in your code wherever a field, method parameter, or return value may be null. Given these annotations, NullAway performs a series of type-based, local checks to ensure that any pointer that gets dereferenced in your code cannot be null. NullAway is similar to the type-based nullability checking in the Kotlin and Swift languages, and the Checker Framework and...
    Downloads: 0 This Week
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  • 11
    Tun2Socks

    Tun2Socks

    tun2socks , powered by gVisor TCP/IP stack

    Proxy Everything: Handle all network traffic of any internet programs sent by the device through a proxy. Proxy Protocols: HTTP/Socks4/Socks5/Shadowsocks with authentication support for remote connections. Run Everywhere. Linux/macOS/Windows/FreeBSD/OpenBSD multi-platform support with specific optimization. Gateway Mode: Act as a layer three gateway to handle network traffic from other devices in the same network. Full IPv6 Support: All functions work in IPv6, tunnel IPv4 connections through...
    Downloads: 67 This Week
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  • 12
    Dropwizard

    Dropwizard

    Simple library for building production-ready RESTful web services

    Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web services. Dropwizard pulls together stable, mature libraries from the Java ecosystem into a simple, light-weight package that lets you focus on getting things done. Dropwizard has out-of-the-box support for sophisticated configuration, application metrics, logging, operational tools, and much more, allowing you and your team to ship a production-quality web service in the shortest time possible....
    Downloads: 0 This Week
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  • 13
    Pillow

    Pillow

    The friendly Python Imaging Library fork

    If you've ever wondered or worried about the future of Python's Imaging Library, it's time to stop. Pillow is here to answer your concerns, and offer you more. Pillow is the friendly fork of the Python Imaging Library or PIL, a library that adds image processing capabilities to your Python interpreter. Why turn to Pillow? Aside from offering extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities, Pillow is setuptools...
    Downloads: 73 This Week
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  • 14
    Kamon Telemetry

    Kamon Telemetry

    Distributed Tracing, Metrics and Context Propagation for applications

    Kamon Telemetry is a set of libraries for instrumenting applications running on the JVM. With Kamon Telemetry you can collect metrics, propagate context across threads and services, and get distributed traces automatically. The best way to get started is by following our installation guides and taking it from there. Have fun with Kamon. Monitor your backend applications, fix performance issues, and get alerted when problems happen. All without being a monitoring expert. Everybody starts...
    Downloads: 2 This Week
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  • 15
    Spring Cloud Kubernetes

    Spring Cloud Kubernetes

    Kubernetes integration with Spring Cloud Discovery Client

    Spring Cloud Kubernetes provides implementations of well known Spring Cloud interfaces allowing developers to build and run Spring Cloud applications on Kubernetes. While this project may be useful to you when building a cloud native application, it is also not a requirement in order to deploy a Spring Boot app on Kubernetes. If you are just getting started in your journey to running your Spring Boot app on Kubernetes you can accomplish a lot with nothing more than a basic Spring Boot app...
    Downloads: 2 This Week
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  • 16
    Bruno

    Bruno

    Opensource IDE For Exploring and Testing Api's

    Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia, and similar tools out there. Bruno stores your collections directly in a folder on your filesystem. We use a plain text markup language, Bru, to save information about API requests. You can use git or any version control of your choice to collaborate over your API collections. Bruno is offline only. There are no plans to add cloud-sync to Bruno, ever. We value...
    Downloads: 71 This Week
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  • 17
    Lobe Chat

    Lobe Chat

    An open-source, modern-design AI chat framework

    LobeChat, unlock the superpower of your brain. Pioneering the new age of thinking and creating. Built for you, the Super Individual. LobeChat supports file upload and knowledge base functionality. You can upload various types of files including documents, images, audio, and video, as well as create knowledge bases, making it convenient for users to manage and search for files. Additionally, you can utilize files and knowledge base features during conversations, enabling a richer dialogue...
    Downloads: 50 This Week
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  • 18
    OneinStack

    OneinStack

    OneinStack - A PHP/JAVA Deployment Tool

    This script is written using the shell, in order to quickly deploy LEMP/LAMP/LNMP/LNMPA/LTMP(Linux, Nginx/Tengine/OpenResty, MySQL in a production environment/MariaDB/Percona, PHP, JAVA), applicable to RHEL 7, 8, 9(including CentOS, RedHat, AlmaLinux, Rocky), Debian 9, 10, 11, 12, Ubuntu 16, 18, 20, 22 and Fedora 27+ of 64.
    Downloads: 0 This Week
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  • 19
    Item-NBT-API

    Item-NBT-API

    Add custom NBT tags to Items/Tiles/Entities without NMS

    The NBT API allows you to add custom NBT tags to Itemstacks, TileEntities, and Entities, or modify existing ones. It completely uses reflections to interact with NMS code and works with all the latest versions. On server start the plugin checks all reflections.
    Downloads: 0 This Week
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  • 20
    S3Mock

    S3Mock

    A simple mock implementation of the AWS S3 API startable as Docker

    S3Mock is a lightweight server that implements parts of the Amazon S3 API. It has been created to support local integration testing by reducing infrastructure dependencies. The S3Mock server can be started as a standalone Docker container, using Test containers, JUnit4, JUnit5 and TestNG support, or programmatically.
    Downloads: 0 This Week
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  • 21
    Akka

    Akka

    Build concurrent, distributed, and resilient message-driven apps

    Build powerful reactive, concurrent, and distributed applications more easily. Akka is a toolkit for building highly concurrent, distributed, and resilient message-driven applications for Java and Scala. Actors and Streams let you build systems that scale up, using the resources of a server more efficiently, and out, using multiple servers. Building on the principles of The Reactive Manifesto Akka allows you to write systems that self-heal and stay responsive in the face of failures. Up to...
    Downloads: 7 This Week
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  • 22
    Pinchflat

    Pinchflat

    Your next YouTube media manager

    Pinchflat is a self-hosted YouTube media manager that automates downloading videos from channels or playlists using yt-dlp. It runs as a lightweight, containerized app and is ideal for archiving or feeding media center setups like Plex, Jellyfin, or Kodi.
    Downloads: 53 This Week
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  • 23
    OpenAI-Java

    OpenAI-Java

    OpenAI Api Client in Java

    OpenAI-Java is the official Java client library provided by OpenAI for interacting with the OpenAI API. It is designed to make it easier for Java applications to call endpoints like chat completions, embeddings, function calling, streaming, and other model services using idiomatic Java patterns. You configure the client (often via environment variables or system properties), then build parameter objects (e.g. ChatCompletionCreateParams) and invoke methods like...
    Downloads: 2 This Week
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  • 24
    PEASS-ng

    PEASS-ng

    Privilege Escalation Awesome Scripts SUITE

    These tools search for possible local privilege escalation paths that you could exploit and print them to you with nice colors so you can recognize the misconfigurations easily. All the scripts/binaries of the PEAS suite should be used for authorized penetration testing and/or educational purposes only. Any misuse of this software will not be the responsibility of the author or of any other collaborator. Use it at your own machines and/or with the owner's permission. Here you will find...
    Downloads: 68 This Week
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  • 25
    Visual Studio Code

    Visual Studio Code

    Modern IDE and code editor from Microsoft for Mac, Windows, and Linux

    Visual Studio Code combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle. It provides comprehensive code editing, navigation, and understanding support along with lightweight debugging, a rich extensibility model, and lightweight integration with existing tools. Visual Studio Code is a distribution of the Code - OSS repository with Microsoft-specific customizations released under a traditional Microsoft product license. Visual Studio Code is...
    Downloads: 68 This Week
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