Apps similar to Blisk include BrowserStack. It's paid, but Responsively and MultiGlancer are free. Other options are TestMu AI , Browserling, LT Browser and Polypane. You can choose from more than 10 Web Debuggers like Blisk for the web, Mac, Windows and Linux.
PromptBrake is a security testing platform designed for teams building with LLM APIs. It runs 60+ attack prompts across 12 security test categories to identify vulnerabilities such as prompt injection, data leaks, policy bypasses, tool misuse, and credential exposure.
United States
Headless Testing with Puppeteer, Playwright and Selenium in the Cloud. Fast, scalable, and reliable web browser automation.
Browshot is a powerful service to take real-time screenshots in 30+ screen resolutions on 15+ virtual devices, including iPhone, Nook, Android, etc. Browshot provides full support for HTML5, CSS3, Flash, JavaScript, etc. You can request thumbnails of any size and any ratio.
United States
Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices.
