Showing 17884 open source projects for "java open source"

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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 1
    Scrapy

    Scrapy

    A fast, high-level web crawling and web scraping framework

    Scrapy is a fast, open source, high-level framework for crawling websites and extracting structured data from these websites. Portable and written in Python, it can run on Windows, Linux, macOS and BSD. Scrapy is powerful, fast and simple, and also easily extensible. Simply write the rules to extract the data, and add new functionality if you wish without having to touch the core.
    Downloads: 36 This Week
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  • 2
    Mullvad VPN desktop and mobile app

    Mullvad VPN desktop and mobile app

    The Mullvad VPN client app for desktop and mobile

    In a society that is increasingly determined to weaken that right, a fast, reliable and easy-to-use VPN connection is a good first step towards achieving this. By connecting to the Internet with Mullvad, we ensure that traffic to and from your device is encrypted to the highest standards, even when using public Wi-Fi in a coffee shop or hotel. We do not keep activity logs or ask for personal information, and we even encourage anonymous payments using cash or any of the accepted...
    Downloads: 42 This Week
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  • 3
    Ungoogled Chromium

    Ungoogled Chromium

    A lightweight approach to removing Google web service dependency

    In descending order of significance (i.e. most important objective first), ungoogled-chromium is Google Chromium, sans dependency on Google web services, ungoogled-chromium retains the default Chromium experience as closely as possible. Unlike other Chromium forks that have their own visions of a web browser, ungoogled-chromium is essentially a drop-in replacement for Chromium. ungoogled-chromium features tweaks to enhance privacy, control, and transparency. However, almost all of these...
    Downloads: 35 This Week
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  • 4
    cat-catch

    cat-catch

    Cat scratch chrome resource sniffing extension

    cat-catch is a resource sniffing extension that can help you filter and list resources on the current page. Maozha is open source. Anyone can download and modify it and put it on the app store. There are already many fake Maozha with the ad code added. Please pay attention to your own data security. All installation addresses are subject to github and user documentation. Chromium kernel version 93 or later is required after version 1.0.17. If it is lower than 93, please use version 1.0.16. ...
    Downloads: 26 This Week
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 5
    Tailscale

    Tailscale

    The easiest, most secure way to use WireGuard and 2FA

    Tailscale is an open-source zero-configuration VPN and networking solution that makes it simple to create secure, private networks across devices by leveraging WireGuard under the hood. It lets users connect computers, servers, mobile devices, and cloud instances together with peer-to-peer encrypted tunnels without dealing with complex firewalls, NAT rules, or key distribution headaches.
    Downloads: 28 This Week
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  • 6
    BrowserOS

    BrowserOS

    Agentic browser; privacy-first alternative to ChatGPT Atlas

    BrowserOS is an open-source, agentic web browser built on a Chromium base that integrates AI agents directly into the browsing experience. Rather than just doing standard browsing, it places AI intelligence at the core: you can connect your own API keys (for e.g., OpenAI, Anthropic, Google Gemini) or run local models (via e.g., Ollama) so that your browsing data and automation stay on your machine — privacy and control are emphasized throughout.
    Downloads: 23 This Week
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  • 7
    Buster

    Buster

    Captcha solver extension for humans

    Save time by asking Buster to solve captchas for you. Buster is a Firefox extension which helps you to solve difficult captchas by completing reCAPTCHA audio challenges using speech recognition. Challenges are solved by clicking on the extension button at the bottom of the reCAPTCHA widget. It is not guaranteed that challenges are always solved, the limitations of the technology need to be considered. The continued development of Buster is made possible thanks to the support of awesome...
    Downloads: 40 This Week
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  • 8
    Helm Diff Plugin

    Helm Diff Plugin

    Plugin that shows a diff explaining what a helm upgrade would change

    This is a Helm plugin giving you a preview of what a helm upgrade would change. It basically generates a diff between the latest deployed version of a release and a helm upgrade --debug --dry-run. This can also be used to compare two revisions/versions of your helm release.
    Downloads: 23 This Week
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  • 9
    Hoverfly

    Hoverfly

    Lightweight service virtualization/ API simulation / API mocking tool

    Hoverfly is a lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on. Replace unreliable test systems and restrictive API sandboxes with high-performance simulations in seconds. Run on MacOS, Windows or Linux, or use native Java or Python language bindings to get started quickly.
    Downloads: 0 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 10
    SponsorBlock

    SponsorBlock

    Skip YouTube video sponsors (browser extension)

    SponsorBlock is an open-source crowdsourced browser extension and open API for skipping sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about using a privacy-preserving query system. It also supports skipping other categories, such as intros, outros, and reminders to subscribe, and skipping to the point with highlights.
    Downloads: 19 This Week
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  • 11
    Agregore Browser

    Agregore Browser

    A minimal browser for the distributed web (Desktop version)

    A minimal web browser for the distributed web. Web Extension support. Built-in Markdown/Gemini/JSON rendering extension. Built-in QR code scanner and generator extension. Generate a QR code for the current page. Scan a QR code from the browser action window. Right-click a link or image to generate a QR code for it. Built-in ad blocker (ublock origin). Built-in support for creating web archives via ArchiveWeb.page.
    Downloads: 24 This Week
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  • 12
    websocat

    websocat

    Command-line client for WebSockets, like netcat (or curl)

    Netcat, curl and socat for WebSockets. Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions. Connecting to and serving WebSockets from the command line. Executing external program and making it communicate to WebSocket using stdin/stdout. Text and binary modes, converting between lines (or null-terminated records) and messages. Inetd mode, UNIX sockets (including abstract namespaced on Linux). Integration with Nginx using TCP or UNIX sockets....
    Downloads: 30 This Week
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  • 13
    Google Apps Manager

    Google Apps Manager

    Command line management for Google G Suite

    Google Apps Manager or GAM is a free and open source command line tool for Google G Suite Administrators that allows them to manage many aspects of their Google Apps Account quickly and easily. With GAM you can create and manage users, groups and domains; manage email, security and calendar settings; manage admins and organizations and many more. To use GAM Google Apps Business, Education, Partner or Government Edition is required.
    Downloads: 16 This Week
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  • 14
    Outline Server

    Outline Server

    Outline Manager, developed by Jigsaw

    ...Furthermore, Outline is a 100% open-source project that uses transparent technology and has undergone audits by two security companies.
    Downloads: 17 This Week
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  • 15
    Snoop Project

    Snoop Project

    This is the most powerful software taking into account CIS location

    Snoop is an open data intelligence tool (OSINT world). Snoop Project is one of the most promising OSINT tools for finding nicknames. This is the most powerful software taking into account the CIS location. Is your life slideshow? Ask Snoop. Snoop project is developed without taking into account the opinions of the NSA and their friends, that is, it is available to the average user. Snoop is a research work (own database / closed bugbounty) in the field of searching and processing public data...
    Downloads: 19 This Week
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  • 16
    Simple HTTP  Server

    Simple HTTP Server

    Simple http server in Rust (Windows/Mac/Linux)

    Simple HTTP server in Rust (Windows/Mac/Linux) Windows support (with colored log). Specify listen to address (ip, port), specify running threads, and specify the root directory. Nginx like directory view (directory entries, link, filesize, modified date) Breadcrumb navigation.
    Downloads: 18 This Week
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  • 17
    QRCoder

    QRCoder

    A pure C# Open Source QR Code implementation

    QRCoder is a simple library, written in C#.NET, which enables you to create QR codes. It hasn't any dependencies on other libraries and is available as .NET Framework and .NET Core PCL version on NuGet. Feel free to grab-up/fork the project and make it better! QRCoder is a .NET library, completely written in C#, which enables you to generate QR Codes as defined by ISO/IEC 18004. The main target of the QRCoder library is to deliver a small and easy-to-use solution, which has no dependencies...
    Downloads: 25 This Week
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  • 18
    DB Browser for SQLite

    DB Browser for SQLite

    The DB Browser for SQLite

    DB Browser for SQLite (DB4S) is a high quality, visual, open source tool to create, design, and edit database files compatible with SQLite. DB4S is for users and developers who want to create, search, and edit databases. DB4S uses a familiar spreadsheet-like interface, and complicated SQL commands do not have to be learned. This program is not a visual shell for the sqlite command line tool, and does not require familiarity with SQL commands.
    Downloads: 93 This Week
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  • 19
    yudao-cloud

    yudao-cloud

    New Cloud version of Ruoyi-Vue-Pro optimized to refactor all features

    yudao-cloud is the cloud-native evolution of the popular ruoyi-vue-pro backend system, rebuilt around Spring Cloud Alibaba and a microservice architecture. It delivers a full-stack solution that combines a Spring-based backend, MyBatis Plus for data access, and a Vue + Element-based admin front-end, along with user-facing mini-programs. The system targets enterprise scenarios and includes modules for RBAC-based dynamic permissions, multi-tenant SaaS capabilities, data permissions, and...
    Downloads: 1 This Week
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  • 20
    Gopeed

    Gopeed

    High speed downloader that supports all platforms

    Gopeed (full name Go Speed), a high-speed downloader developed by Golang + Flutter, supports (HTTP, BitTorrent, Magnet) protocol, and supports all platforms. This project is divided into two parts, the front end uses flutter, the back end uses Golang, and the two sides communicate through the http protocol. On the unix system, unix socket is used, and on the windows system, tcp protocol is used.
    Downloads: 24 This Week
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  • 21
    Google Mobile Ads Unity Plugin

    Google Mobile Ads Unity Plugin

    }Unity Plugin for the Google Mobile Ads SDK

    The Google Mobile Ads SDK is the latest generation in Google mobile advertising featuring refined ad formats and streamlined APIs for access to mobile ad networks and advertising solutions. The SDK enables mobile app developers to maximize their monetization in native mobile apps. This repository contains the source code for the Google Mobile Ads Unity plugin. This plugin enables Unity developers to easily serve Google Mobile Ads on Android and iOS apps without having to write Java or Objective-C code. The plugin provides a C# interface for requesting ads that is used by C# scripts in your Unity project. You can help improve the Google Mobile Ads Unity plugin by opting-in to sending usage data to Google. ...
    Downloads: 4 This Week
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  • 22
    Ghost

    Ghost

    The world’s most popular open source headless Node.js CMS

    Ghost is a popular open source headless Node.js CMS for professional online publishing. Ghost allows writers, podcasters and other online content creators to quickly and easily set up their own sites, publish content on their own terms and deliver newsletters online. Ghost is a powerful platform that gives you complete control over design, content, delivery, experience and more.
    Downloads: 16 This Week
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  • 23
    jsii

    jsii

    jsii allows code in any language to naturally interact with JavaScript

    ...A class library written in TypeScript can be used in projects authored in TypeScript or Javascript (as usual), but also in C# (and other languages from the .NET family), Go, Java, Python, etc. More languages will be added in the future! Due to JSON marshaling costs and the absence of a distributed garbage collector feature, jsii modules are best suited for development and build tools, as opposed to performance-sensitive or resource-constrained applications. By compiling our source module using jsii, we can now package it as modules in one of the supported target languages. ...
    Downloads: 0 This Week
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  • 24
    theHarvester

    theHarvester

    E-mails, subdomains and names

    theHarvester is a very simple to use, yet powerful and effective tool designed to be used in the early stages of a penetration test or red team engagement. Use it for open source intelligence (OSINT) gathering to help determine a company's external threat landscape on the internet. The tool gathers emails, names, subdomains, IPs and URLs using multiple public data sources.
    Downloads: 59 This Week
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  • 25
    V2Ray-Agent

    V2Ray-Agent

    Xray, Tuic, hysteria2, sing-box

    An all-in-one V2Ray/Xray agent script to automate proxy server deployment on Linux. Supports multiple protocols (VLESS, VMess, Shadowsocks, WireGuard), automatic certificate generation, CDN node management, and multi-VPS subscription configurations—often used for network optimization or censorship circumvention.
    Downloads: 19 This Week
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