SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
The Activision Decathlon - The Activision Decathlon created and published by Activision.
Lumar - (Previously DeepCrawl) Hosted SEO spider to analyze and find problems with websites.
Timberman - Addictive retro arcade game - the new flappy bird?
Website Checker Tech - WebsiteChecker.Tech is SaaS tool that detects SEO and availability issues of your website, making it easier for you to fix them.
Pongoss - The endless running game