Browser Tamer helps compare, test, package, or manage web browsers and browser-based apps.
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Brave Browser is a free, fast, private and secure web browser available for PC, Mac and mobile devices. It blocks ads, tracking software and other intrusive content to improve browsing speed, save data and extend battery life. The browser includes features such as an adblocking Shields tool, VPN, privacy protections, premium services, AI-powered private search and Brave Origin Browser AI.
BrowserBench.org hosts browser benchmarks. Speedometer measures the responsiveness of web applications and is maintained by major browser engine developers under an open governance model. JetStream 3.0 is a JavaScript and WebAssembly benchmark suite focused on advanced web applications. MotionMark tests browser graphics systems.
Just the Browser provides configuration files, documentation and installation scripts that remove AI features, telemetry data reporting, sponsored content and product integrations from desktop web browsers, using hidden settings intended for organizations. It includes manual guides for Google Chrome, Microsoft Edge, Firefox and Brave, and the project is open-source on GitHub.
User-Agent String Switcher is a Firefox browser extension that spoofs the browser's user-agent string to prevent websites from collecting information about the user's browser type, operating system, and browsing configuration, allowing users to receive preferred site content. It allows custom user-agent strings to be set via the toolbar popup, uses a two-factor technique to replicate the default user-agent string for reliability, and consumes no resources when not actively spoofing. A common use case is setting a mobile user-agent string to load faster-loading mobile versions of websites.
Browser Craft is a directory of free web browser games. It lists thousands of indie browser games, organizes them by genre and tag, and marks which ones are playable. The catalogue is updated regularly and requires no installers, launchers or accounts.
Web Browser Engineering is a book by Pavel Panchekha and Chris Harrelson that explains how web browsers work by building a basic but complete browser, from networking to JavaScript, in a couple thousand lines of Python. It is available from Bookshop, B&N and Amazon, and in Korean and Japanese translations.
PrivacyTests.org is an open-source privacy audit that subjects major web browsers to automated tests. It covers desktop browsers, private modes, iOS and Android browsers, and nightly builds, and reports results across privacy test categories.
Time Tracker 4 Browser is a browser extension project hosted on the GitHub repository created by sheepzh. It is designed to help users track the time they spend online, analyze their browsing habits, and block access to addictive websites to support better productivity and habit building.
Mullvad Browser is an open-source, free-of-charge web browser developed by Mullvad VPN and the Tor Project to minimize tracking and fingerprinting. It blocks third-party trackers using uBlock Origin, enables private mode by default, saves no cookies between sessions, and collects no telemetry. It can be used with or without a VPN.
Onion Browser is a free, open-source web browser for iOS that connects to the Tor network. It encrypts traffic through Tor, which the project describes as providing a high standard of privacy and security. Tabs close when done, and security settings can be adjusted per website. No personal data is saved or used for targeted ads.
Steel Browser is an open source browser API built for AI agents and applications. It functions as a batteries-included browser sandbox that enables web automation without requiring users to manage underlying infrastructure. The project is hosted on GitHub under the steel-dev organization.
Tor Browser is a privacy-focused web browser developed by the Tor Project. It is designed to defend users against tracking and surveillance, circumvent censorship, block third-party trackers and ads by isolating visited sites, automatically clear cookies and browsing history, and prevent connection observers from identifying visited websites.
Copernicus Browser is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
Browser extension for Chrome Web Store, adding useful tools or workflow improvements inside the browser.
ContextSearch web-ext is a Firefox browser extension compatible with Firefox 57 and later. It lets users select text to search using the context menu or a tiled popup with any installed search engine. Users can add new search engines via right-click, edit favicons and query strings, and the extension supports both POST and GET requests, with a simple, highly configurable user interface.
Ui.Vision RPA is an open-source browser and desktop automation tool for building reusable macros. It offers web automation, desktop automation, web scraping, UI testing and test automation, using visual recording, Selenium-style commands or a JavaScript API. The V10 release adds an AI macro assistant and an MCP bridge for connecting AI assistants. The browser extension is available for Chrome, Edge and Firefox.
Fake Data is a browser form filler for web developers that generates data for form fields. It is installed as a browser extension and requires no advanced setup or configuration for first use. It supports custom JavaScript code and custom elements, and it learns new fields as they are used. It is compatible with most major browsers.
Firefox is a free web browser from Mozilla, a non-profit dedicated to internet health and privacy. The browser blocks trackers automatically and offers total cookie protection, so cookies cannot follow users across sites. It also includes a feature for accessing multiple AI chatbots from one place and tab groups for organizing open tabs.
Gemini helps compare, test, package, or manage web browsers and browser-based apps.
Kera helps compare, test, package, or manage web browsers and browser-based apps.
Earthdata Search is a browser-based tool for searching, discovering, visualizing, refining and accessing NASA Earth Observation data. The site requires a JavaScript-aware browser, and an upgraded browser is needed to use it. Earthdata Access is offered as a Section 508 accessible alternative.
StackBlitz is a collaborative browser-based IDE for web developers that runs development environments inside the browser through WebContainers, avoiding time-consuming local configuration. It also offers Bolt, which turns text into working web apps in the browser. The free Personal plan includes unlimited public projects and GitHub repositories.
VsyncTester is a web-based tool for checking browser VSYNC synchronization, display refresh rate, and input lag. The site also links to related test tools, including a display Hz tester and a GPU memory usage tool, and to pages documenting VSYNC issues in Chrome.