mabl - Low-code Test Automation That Scales
Q-Stats - Get free marketing insights for every question on Quora.
testRigor - Use plain English to build stable and maintainable functional end-to-end tests.
Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.