Showing 447 open source projects for "testing"

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    Plug Claude into your app's actual errors.

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  • 1
    Insomnia API Client

    Insomnia API Client

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

    ...Catch issues earlier, centralize standards, and adopt an API workflow that works with your existing tools. Automate manual API tests and integrate with your CI/CD process to build out an API testing pipeline using Insomnia Unit Tests and Inso, the Insomnia CLI. Connect directly to Git providers to always be in sync with design changes and enable a GitOps pipeline with Inso, the Insomnia CLI tool.
    Downloads: 47 This Week
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  • 2
    WordPress Playground

    WordPress Playground

    Run WordPress in the browser via WebAssembly PHP

    ...It achieves this by compiling PHP and other required components into WebAssembly, effectively creating a self-contained virtual environment that runs locally within the browser. This enables instant access to WordPress for learning, testing, and development without installation or hosting, significantly lowering the barrier to entry for new users and developers. The platform acts as a sandbox where users can experiment with themes, plugins, and configurations without affecting any live websites, making it ideal for prototyping and quality assurance workflows. It also supports exporting and importing full site states, allowing users to persist their work beyond a single session or transfer it to a production environment.
    Downloads: 3 This Week
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  • 3
    RedAmon

    RedAmon

    AI-powered framework for automated penetration testing and red teaming

    RedAmon is an AI-powered red team framework designed to automate offensive cybersecurity operations from reconnaissance to exploitation and post-exploitation. It combines artificial intelligence with traditional penetration testing tools to create a fully autonomous pipeline capable of discovering vulnerabilities and executing security assessments without human intervention. It begins with a multi-phase reconnaissance engine that maps the entire attack surface of a target, collecting information such as subdomains, open ports, services, and potential vulnerabilities. ...
    Downloads: 3 This Week
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  • 4
    Browserbase Skills

    Browserbase Skills

    Claude Agent SDK with a web browsing tool

    ...The design emphasizes reliability and repeatability, reducing the complexity of handling dynamic web interfaces. It is particularly useful for building AI agents that perform tasks like scraping, testing, or workflow automation. Overall, it turns browser interaction into a modular and programmable skill system.
    Downloads: 1 This Week
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  • 5
    mslearn-tailspin-spacegame-web

    mslearn-tailspin-spacegame-web

    Code used in Microsoft Learn modules to support Azure DevOps

    ...It’s a web-based game application used in Microsoft Learn modules and documentation to demonstrate concepts such as Azure App Services, continuous integration and delivery (CI/CD) pipelines, and DevOps practices with GitHub Actions and Azure Pipelines. The project is intentionally lightweight and easy to deploy so learners can quickly experiment with cloud deployment, testing, monitoring, and scaling scenarios while focusing on modern DevOps workflows.
    Downloads: 1 This Week
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  • 6
    Jest Puppeteer

    Jest Puppeteer

    Run your tests using Jest & Puppeteer

    ...Users have discovered that running test serially in such environments can render up to 50% of performance gains. Writing integration test can be done using Puppeteer API but it can be complicated and hard because API is not designed for testing. Debugging tests can be hard sometimes and it is very useful to be able to pause tests in order to inspect the browser. Jest Puppeteer exposes a method jestPuppeteer.debug() that suspends test execution and gives you the opportunity to see what's going on in the browser.
    Downloads: 0 This Week
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  • 7
    Stremio

    Stremio

    Stremio - Freedom to Stream

    ...It consumes stremio-core (compiled to WebAssembly) and renders the product surfaces you recognize: Board for personalized updates, Discover for browsing catalogs, and Meta Details for titles, seasons, and streams. The app is built with JavaScript/TypeScript and a conventional web toolchain, offering simple commands for local development, testing, and production builds. It manages add-on installation and configuration in-app, letting users combine official and community sources without leaving the UI. Playback hooks into the stream types exposed by add-ons and the core’s selection logic, with UI affordances for choosing sources, subtitles, and quality. Because the heavy business logic lives in the core, the web app stays focused on UX, routing, accessibility, localization, and smooth state transitions between pages.
    Downloads: 40 This Week
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  • 8
    MCP Server and GW

    MCP Server and GW

    An MCP stdio to HTTP SSE transport gateway with example server

    mcp-server-and-gw is a Model Context Protocol (MCP) gateway that bridges standard input/output to HTTP Server-Sent Events (SSE) transport. It includes an example MCP server and client, facilitating the development and testing of MCP implementations. This tool is particularly useful for integrating MCP servers with applications like Claude Desktop that may not natively support remote server connections. ​
    Downloads: 0 This Week
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  • 9
    IPFS GeoIP

    IPFS GeoIP

    GeoIP lookup over DAG-CBOR dataset loaded from IPFS

    GeoIP lookup over IPFS. GeoIP lookup over DAG-CBOR dataset loaded from IPFS.
    Downloads: 1 This Week
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  • 10
    Responsively App Development

    Responsively App Development

    A modified web browser that helps in responsive web development

    A tool for responsive web design, allowing developers to preview websites across multiple screen sizes.
    Downloads: 1 This Week
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  • 11
    LIVE

    LIVE

    Directly accessible TV/radio icon library and related tool projects

    ...It also exposes an EPG interface and web tools for tasks such as M3U8 downloading and format conversion. The project states that it does not store streaming media itself, so it is best viewed as an icon, playlist, and utility resource for testing and personal configuration.
    Downloads: 11 This Week
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  • 12
    Kiln

    Kiln

    Open source platform for managing, testing, and deploying AI apps

    ...Kiln emphasizes reproducibility, enabling users to track changes to prompts and models while comparing outputs across different configurations. Kiln also supports systematic testing of AI systems by defining evaluation criteria and running experiments to assess performance over time. Its workflow-oriented approach helps teams move from experimentation to production by organizing assets and results in a consistent format. It is particularly useful for teams working with large language models who need visibility into how changes impact outputs and overall system quality.
    Downloads: 0 This Week
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  • 13
    jsdom

    jsdom

    JavaScript implementation of various web standards, for use with Node

    jsdom is a pure-JavaScript implementation of many web standards, notably the WHATWG DOM and HTML Standards, for use with Node.js. In general, the goal of the project is to emulate enough of a subset of a web browser to be useful for testing and scraping real-world web applications. The latest versions of jsdom require Node.js v10 or newer. To use jsdom, you will primarily use the JSDOM constructor, which is a named export of the jsdom main module. Pass the constructor a string. The resulting object is an instance of the JSDOM class, which contains a number of useful properties and methods besides window. ...
    Downloads: 0 This Week
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  • 14
    Everything Claude Code

    Everything Claude Code

    Complete Claude Code configuration collection

    Everything Claude Code is a community-driven collection of Claude Code skills, workflows, and examples that accelerate the adoption of Anthropic’s Claude models for real-world developer tasks, ranging from project scaffolding to code generation and testing automation. The repository curates reproducible templates that demonstrate how Claude Code agents can participate in end-to-end developer journeys such as building new features, adhering to coding standards, generating documentation, and automating refactor patterns. It also includes example orchestrations that showcase multi-step agent workflows, letting developers see how to compose small, discrete agent capabilities into productive, cohesive sequences. ...
    Downloads: 9 This Week
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  • 15
    Open SaaS

    Open SaaS

    Open source SaaS boilerplate for React, NodeJS apps with Wasp stack

    ...It integrates several commonly used services and tools, including payment processing systems, email providers, analytics platforms, and AI integrations. It also includes an admin dashboard, testing setup, and deployment configuration to streamline development workflows. By bundling these components together, Open SaaS aims to reduce development time and make it easier to create scalable web applications.
    Downloads: 0 This Week
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  • 16
    Playwright CLI

    Playwright CLI

    CLI for common Playwright actions

    ...Playwright-CLI includes utilities for running tests in parallel across multiple devices, capturing screenshots and videos on failures, and outputting detailed reports that help diagnose flaky behavior or regressions. It also integrates with CI/CD pipelines, making it simple to automate testing as part of build and deployment workflows.
    Downloads: 0 This Week
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  • 17
    json-graphql-server

    json-graphql-server

    Get a full fake GraphQL API with zero coding in less than 30 seconds

    Get a full fake GraphQL API with zero coding in less than 30 seconds. Start playing with GraphQL right away with json-graphql-server, a testing and mocking tool for GraphQL. All it takes is a JSON of your data. Your data file should export an object where the keys are the entity types. The values should be lists of entities, i.e. arrays of value objects with at least an id key. The json-graphql-server accepts queries in GET and POST. Under the hood, it uses the express-graphql module. ...
    Downloads: 0 This Week
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  • 18
    AEM Project Archetype

    AEM Project Archetype

    Maven template to create best-practice websites on AEM

    Adobe's archetype for creating new AEM (Adobe Experience Manager) projects with best practices in mind.
    Downloads: 0 This Week
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  • 19
    Magnitude

    Magnitude

    Vision AI browser agent for automation, testing, and extraction

    ...This approach allows the agent to generalize better across complex and modern websites, making it more robust than traditional selector-based automation tools. Browser Agent by Magnitude supports a wide range of capabilities including navigation, interaction, data extraction, and automated verification through built-in testing features. Developers can use it to automate repetitive web tasks, integrate services without APIs, or build advanced browser-based agents. It also provides flexible abstraction levels, allowing both high-level task execution and precise low-level control of actions like mouse movements and keyboard input.
    Downloads: 0 This Week
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  • 20
    why-is-node-running

    why-is-node-running

    For when Node is running but you don't know why

    ...This utility inspects the active handles and resources in the runtime, prints a breakdown of open callbacks, sockets, timers, and other tasks, and explains what’s keeping Node running, helping you track down leaks or unintended resource retention. It’s particularly useful during testing, when you expect Node to exit after tests finish, or in long-running servers when you're debugging resource leaks or shutdown logic. By providing clear human-readable output that lists current handles and their origins, the tool dramatically reduces the time you would otherwise spend manually instrumenting your code.
    Downloads: 0 This Week
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  • 21
    redux-saga

    redux-saga

    An alternative side effect model library for Redux applications

    redux-saga is a library that aims to make application side effects (i.e. asynchronous things like data fetching and impure things like accessing the browser cache) easier to manage, more efficient to execute, easy to test, and better at handling failures. The mental model is that a saga is like a separate thread in your application that's solely responsible for side effects. redux-saga is a redux middleware, which means this thread can be started, paused and cancelled from the main...
    Downloads: 0 This Week
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  • 22
    ncc

    ncc

    Compile a Node.js project into a single file

    ...Only ship relevant app code to serverless environments Don't waste time configuring bundlers, it is generally faster bootup time and less I/O overhead. Compiled language-like experience (e.g.: go). For testing and debugging, a file can be built into a temporary directory and executed with full source maps support. Some packages may need some extra options for ncc support in order to better work with the static analysis. See package-support.md for some common packages and their usage with ncc.
    Downloads: 2 This Week
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  • 23
    Pannellum

    Pannellum

    Pannellum is a lightweight, free, and open source panorama viewer

    Pannellum is a lightweight, free, and open source panorama viewer for the web. Built using HTML5, CSS3, JavaScript, and WebGL, it is plug-in free. It can be deployed easily as a single file, just 21kB gzipped, and then embedded into pages as an <iframe>. A configuration utility is included to generate the required code for embedding. An API is included for more advanced integrations.
    Downloads: 0 This Week
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  • 24
    Newman

    Newman

    Newman is a command-line collection runner for Postman

    Newman is Postman’s open-source command-line runner for collections, enabling the execution and testing of Postman Collections directly via CLI or Node.js scripts. It shines in CI/CD integration by offering flexible reporting, scripting, and automation capabilities. The easiest way to install Newman is using NPM. If you have Node.js installed, it is most likely that you have NPM installed as well. Newman can be easily used within your JavaScript projects as a Node.js module.
    Downloads: 3 This Week
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  • 25
    Pageres CLI

    Pageres CLI

    Capture website screenshots

    Capture screenshots of websites in various resolutions. A good way to make sure your websites are responsive. It's speedy and generates 100 screenshots from 10 different websites in just over a minute. It can also be used to render SVG images.
    Downloads: 0 This Week
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