Virtual whiteboard for sketching hand-drawn like diagrams

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

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The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.

IDE style command line auto complete

Authenticator generates 2-Step Verification codes in your browser.

A demo for the no-JavaScript fingerprinting article