MindMeister : MindMeister is an online mind mapping tool that lets you capture, develop and share ideas visually.
Mind42 : Collaborative mind mapping in your browser
mail-tester.com : Free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems
REDbot : REDbot is lint for HTTP resources; it tests protocol correctness, cacheability, content negotiation and more. REDbot checks HTTP resources to see how ...
