Apps similar to LT Browser include BrowserStack. It's paid, but BrowserPage and Responsa are free. Other options are Browserling, Polypane, Blisk and MultiBrowser. You can choose from more than 10 Web Debuggers like LT Browser for the web, Windows, Linux, self-hosting and Mac.
BrowserStack is the world’s largest cloud platform for software testing, with 20,000+ real Android and iOS devices that allow developers to comprehensively test their websites and apps for functionality, performance, and visual appeal.
India
Browserling lets you quickly cross-browser test your websites in all the most popular browsers, such as Internet Explorer, Chrome, Safari, Opera and Firefox. We run the browsers in virtual machines and you get live access to them.
United States
Polypane is a browser built from the ground up to create websites and apps. Polypane is the only browser that lets you develop a website for all viewports and devices at once, and gives you the best overview of them.
Netherlands
EU
Blisk is a browser for web developers, QA engineers, and web designers with built-in mobiles, tablets, laptops, and desktops. It provides teams and freelancers with a workspace to develop and test modern web applications twice faster.
Ukraine
BrowserPage.net - the most intuitive Responsive Design Checker online tool for your Website.
MultiBrowser (or Multi-Browser Viewer) is a cross browser and functional web testing software tool, using REAL standalone browsers, an accurate mobile emulator and integrates seamlessly with Visual Studio and Selenium for automated testing.
Responsa is an responsive design tool for testing how designs will look across multiple browsers. The open-source tool is freely available online, with the code being accessible for those seeking a self-hosted solution as well.
Headless Testing with Puppeteer, Playwright and Selenium in the Cloud. Fast, scalable, and reliable web browser automation.
Assistiv Labs enables testing of websites and web applications through a web browser window. It is designed to facilitate testing using assistive technologies such as screen readers (NVDA, Narrator, JAWS) and Windows High Contrast Mode.
SeleniumBox is an enterprise testing grid that runs inside the corporate network (on-premise or in a private cloud). It helps companies simplify their Selenium, Appium and PlayWright infrastructure for cross-browser and mobile tests.
The unified platform for AI-powered Playwright testing, multi-region k6 load testing, uptime monitoring, and subscriber-ready status pages.
