Rove : Rove.io is a service that allows you to pregenerate typical Vagrant builds.
Otto : Otto knows how to develop and deploy any application on any cloud platform, all controlled with a single consistent workflow to maximize the productiv...
mail-tester.com : Free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems
Requestdiff : Differentiate HTTP headers and content body of two GET URLs.