Piar.io - Create beautiful custom link previews for all your social media channels in one place

browserling - Live interactive cross-browser testing from your browser.

Linkz.ai - Automatic rich link previews on hover that keep visitors on your website

Browsershots - Browsershots makes screenshots of your web design in different browsers.

Mugshot Bot - Automated link preview images for your website. No more fussing with design tools or wading through thousands of stock photos.

BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.