Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.
Octobat for GoCardless - VAT compliance and billing automation, now with GoCardless
CE Broker - Continuing education made easy
Trustpage - Building trust with customers just got easier
Commandline Challenge - Test your command line skills
Keyword Explorer by Moz - Find the best keywords to improve your website's SEO traffic