Appetize

Appetize.ioRun native mobile apps in your browser

Test your Android & iOS apps on this Cloud Based Android Phone/Tablets emulators and iPhone/iPad simulators directly in your browser. Free tier includes 1 concurrent session with 100 minutes usage per month. No limit on app size.

2. Checkbot

Tests 100s of pages at once for broken links, duplicate titles, invalid HTML, insecure pages and 50+ other checks.

Checkbot: SEO, web speed & security checker for ChromeCheckbot will boost the SEO, speed & security of your site by testing for broken links, duplicate content, invalid HTML/CSS/JavaScript, insecure pages & more. Test 100s of pages at a time including local sites to keep on top of problems & stop critical issues going live.

3. Saucelabs

Cross Browser Testing, Selenium Testing, Mobile TestingThe world's largest continuous testing cloud of web and mobile applications. Access web browsers, mobile emulators, simulators, and real mobile devices.

4. WebSitePulse Test Tools

Our test tools are easy to use and free. You can use them to check whether specific components of your website or server are operating properly, and to find out what your end-users are experiencing at any given time. This way, you can easily detect any malfunctions and fix them immediately.