Search Results for "javascript open source"
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Showing 49 open source projects for "javascript open source"
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Catch Bugs Before Your Customers DoMove from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
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Go From Idea to Deployed AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
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Open ChatGPT Atlas
Open Source and Free Alternative to ChatGPT Atlas
Open ChatGPT Atlas is an open-source toolkit and interface for working with OpenAI’s ChatGPT models in a more extensible, adaptable, and composable way than standard web UIs allow. It provides an architecture where developers and power users can manage state, tool integrations, and multi-turn workflows with more control, enabling custom UIs, automation layers, and advanced routing logic. -
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PostCSS
A tool for transforming CSS with JavaScript
PostCSS is a tool for transforming styles with JS plugins. These plugins can do a great number of things: transpile future CSS syntax, lint your CSS, support variables and mixins, and so much more. PostCSS works by taking a CSS file and providing an API to analyze and modify its rules (through its transformation into an Abstract Syntax Tree). The API can then be used by plugins to do a lot of useful things. With PostCSS, you can increase code readability by adding vendor prefixes to CSS... -
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Happy DOM
Happy DOM is a JavaScript implementation of a web browser
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML. The goal of Happy DOM is to emulate enough of a web browser to be useful for testing, scraping web sites, and server-side rendering. Happy DOM focuses heavily on performance and can be used as an alternative to JSDOM. Happy DOM now supports Declarative Shadow DOM which can be used for server-side rendering of web components. This package... -
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crawlee
A web scraping and browser automation library for Node.js
Crawlee is a web scraping and browser automation library. It helps you build reliable crawlers. Fast. Crawlee won't fix broken selectors for you (yet), but it helps you build and maintain your crawlers faster. When a website adds JavaScript rendering, you don't have to rewrite everything, only switch to one of the browser crawlers. When you later find a great API to speed up your crawls, flip the switch back. It keeps your proxies healthy by rotating them smartly with good fingerprints that... -
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5
FlareSolverr
Proxy server to bypass Cloudflare protection
FlareSolverr is a proxy server to bypass Cloudflare and DDoS-GUARD protection. FlareSolverr starts a proxy server, and it waits for user requests in an idle state using few resources. When some request arrives, it uses puppeteer with the stealth plugin to create a headless browser (Firefox). It opens the URL with user parameters and waits until the Cloudflare challenge is solved (or timeout). The HTML code and the cookies are sent back to the user, and those cookies can be used to bypass... -
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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. -
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Browserosaurus
The browser prompter for macOS
Browserosaurus is an open-source (GPLv3 license), browser prompter for macOS. It works by setting itself as the default browser; any clicked links in non-browser apps are now sent to Browserosaurus where you are presented with a menu of all your installed browsers. You may now decide which app you’d like to continue opening the link with. Select from any of your installed browsers when clicking a link in a non-browser app. -
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Authenticator
Authenticator generates 2-Step Verification codes in your browser
Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts. Always keep a backup of your secrets in a safe location. Encrypting your secrets is strongly recommended, especially if you are logged into a Google account. Back up your secrets to a file, Google Drive, Microsoft OneDrive, or Dropbox. Sync your secrets with your Google Account. Available for Chrome, Firefox, and Microsoft Edge. Import data from... -
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Dev Browser
A Claude Skill to give your agent the ability to use a web browser
Dev Browser is a browser automation skill/plugin that enables an AI agent to control a real browser for verification and testing during development. Its purpose is to close the gap between “code was written” and “the UI actually works,” by letting the agent navigate, interact with pages, and validate behavior in a live environment. A key idea is persistence: the browser can keep pages open so the agent can navigate once and then perform multiple interactions across scripts without losing... -
AI-powered service management for IT and enterprise teamsGive your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
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modern-normalize
Normalize browsers' default style
modern-normalize is a tool to normalize browsers' default style. All credit should go to normalize.css. -
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JSONView
A web extension that helps you view JSON documents in the browser
A web extension that helps you view JSON documents in the browser. Normally when encountering a JSON document (content type application/json), Firefox simply prompts you to download the view. With the JSONView extension, JSON documents are shown in the browser similar to how XML documents are shown. The document is formatted, highlighted, and arrays and objects can be collapsed. Even if the JSON document contains errors, JSONView will still show the raw text. JSONView is a Web extension... -
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eslint-plugin-compat
Check the browser compatibility of your code
Lint the browser compatibility of your code. Browser targets are configured using a browser list. You can configure browser targets in your package.json. If no configuration is found, browser list defaults to "> 0.5%, last 2 versions, Firefox ESR, not dead". Add polyfills to the settings section of your eslint config. Append the name of the object and the property if one exists. Toolchains for native platforms, like iOS and Android, have had API linting from the start. It's about time that... -
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Apollo Client Browser Devtools
Apollo Client browser developer tools
This repository contains the Apollo Client Browser Devtools extension for Chrome & Firefox. The Apollo Client Browser Devtools appears as an "Apollo" tab in your web browser inspector, alongside other tabs like "Elements" and "Console". Send queries to your server through your web applications configured Apollo Client instance, or query the Apollo Client cache to see what data is loaded. View active queries, variables, cached results, and re-run individual queries. View fired mutations, and... -
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Refined GitHub
Browser extension that simplifies GitHub interface and adds features
Browser extension that simplifies the GitHub interface and adds useful features. Adds a build/CI status icon next to the repo’s name. Hides the Projects tab from repositories and profiles when it’s empty. New projects can still be created via the Create new… menu. Hides forks and watchers counters. Changes the default sort order of milestones Closest due date. Adds useful links to the repository navigation dropdown and moves the "Security" and "Insights" tabs to it as well. Adds a keyboard... -
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WebdriverIO
Next-gen browser and mobile automation test framework for Node.js
Adding helper functions, or more complicated sets and combinations of existing commands is simple and really useful. WebdriverIO can be run on the WebDriver Protocol for true cross-browser testing as well as Chrome DevTools Protocol for Chromium based automation using Puppeteer. The huge variety of community plugins allows you to easily integrate and extend your setup to fulfill your requirements. WebdriverIO allows you to automate any application written with modern web frameworks such as... -
16
Ulixee Hero
The web browser built for scraping
It's the first modern headless browsers designed specifically for scraping instead of just automated testing. Hero provides access to the W3C DOM specification without the need for Puppeteer's complicated evaluate callbacks and multi-context switching. We've recreated a fully compliant DOM directly in NodeJS allowing you bypass the headaches of previous scraper tools. The powerful Chrome engine sits under the hood, allowing for lightning fast rendering. Emulators make it easy to disguise... -
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Gitako
File tree extension for GitHub on Chrome & Firefox & Edge
Gitako is a free file tree extension for GitHub, available on Chrome, Firefox and Edge. Various icons and official themes support. Support git submodule. Fold source code. It is more recommended for Edge users to install from the Chrome store. It may delay for weeks before updates got published to the Edge store because its review process is slow. Gitako doesn't share your private data at all. GitHub access tokens are required only when you access private repositories or exceed the GitHub... -
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Choices.js
A vanilla JS customizable select box/text input plugin
Choices.js is a lightweight, configurable select box/text input plugin. Similar to Select2 and Selectize but without the jQuery dependency. Choices is compiled using Babel targeting browsers with more than 1% of global usage and expecting that features listed below are available or polyfilled in the browser. You may see exact list of target browsers by running npx browserslist within this repository folder. If you need to support a browser that does not have one of the features listed below,... -
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YourInfo
Real-time browser fingerprinting demo with cross-browser tracking
YourInfo is a personal information management tool designed to let users securely store, structure, and retrieve their key data — such as contacts, credentials, personal notes, and preferences — while also enabling AI-assisted queries or reminders using that data. The platform prioritizes privacy by focusing on local storage or user-controlled databases, ensuring sensitive data stays under the user’s control rather than in third-party servers. Users can define types of information, tag... -
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http-proxy-middleware
Http-proxy middleware for connect, express and browser-sync
Node.js proxying made simple. Configure proxy middleware with ease for connect, express, browser-sync and many more. All http-proxy options can be used, along with some extra http-proxy-middleware options. Determine which requests should be proxied to the target host. Target host to proxy to. (protocol + host). Providing an alternative way to decide which requests should be proxied; In case you are not able to use the server's path parameter to mount the proxy or when you need more... -
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Setup PHP in GitHub Actions
GitHub action to set up PHP with extensions, php.ini configuration
GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and various tools. Setup PHP with required extensions, php.ini configuration, code-coverage support and various tools like composer in GitHub Actions. This action gives you a cross-platform interface to set up the PHP environment you need to test your application. Refer to Usage section and examples to see how to use this. Refer to the self-hosted setup to use the action on self-hosted runners. Operating... -
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NSFW Filter
Google Chrome extension that blocks NSFW images
A Google Chrome extension that blocks NSFW images from the web pages that you load using TensorFlow JS. NSFW Filter web extension blocks NSFW content using AI. NSFW Filter allows you to block inappropriate, Not-Safe-For-Work content, protecting you online. A browser extension that blocks NSFW images from the web pages that you load using TensorFlowJS. When a web page is loaded, all the images remain hidden until they are found to be NSFW or not. If they are found to be NSFW, they remain... -
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Vimium C
A keyboard shortcut browser extension for keyboard-based navigation
A keyboard shortcut tool for keyboard-based page navigation and browser tab operations with advanced omnibar and global shortcuts. Vimium C is an open-source browser extension that provides keyboard-based inner-page navigation, browser tab operations, and an enhanced search panel, so you may take full advantage of your browser without a mouse or touchpad. It supports all original commands of Vimium and some new useful commands (a full list can be seen in a help dialog in the Vimium C Options page). ... -
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Mitt
Tiny 200 byte functional event emitter / pubsub
Mitt was made for the browser, but works in any JavaScript runtime. It has no dependencies and supports IE9+. This project uses node and npm. Go check them out if you don't have them locally installed. Then with a module bundler like rollup or webpack, use as you would anything else. The UMD build is also available on unpkg. Set "strict": true in your tsconfig.json to get improved type inference for mitt instance methods. Alternatively, you can use the provided Emitter type. Remove an event... -
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Better TweetDeck
A browser extension to improve TweetDeck with a lot of features
Adds some nice options on TweetDeck to provide a better experience on the webapp when used on Chrome, Opera, and Firefox! Like its name implies, Better TweetDeck has everything you'd want to improve your TweetDeck experience. Accent colors, alternative themes, advanced muting, and powerful customization, (almost) everything is possible! Better TweetDeck lets you choose between six additional accent colors and two new themes, that is more than a hundred possible theming combinations to make...
