Lean Analytics - A/B testing React apps made easy
RainforestQA - Insanely simple testing. Create tests for your website in plain English, then run them across all major browsers with a single click. Powered by human intelligence
SEOTesting.com - Easily track the changes you make to pages and websites, to see if they have an effect on Google rankings and clicks.
Bitrise - Tens of thousands of agencies, startups and enterprise companies with mobile apps - including Runkeeper, Grindr, Duolingo and more - use Bitrise to automate their way to increased productivity & speed
Decidr - Make better decisions with quick A/B polls
Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.