A Product Design Challenge - Get a design challenge to solve real-world problems
DeliverySlip - DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...
Frontend Mentor - Supercharge your front-end skills by building in a real-life workflow. Solve real-world HTML, CSS and JavaScript challenges whilst working to professional quality designs.
GPGTools - Use GPG Suite to encrypt, decrypt, sign and verify files or messages.
Singscope - See your pitch analyzed as you sing
Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.