QuirksMode.org Compatibility Tables Alternatives

"Can I use" for email. Quickly view if a tech is supported by all email clients.

Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you...

Unrivalled in retrieving emails and contact information. Ease-of-export, decent worldwide coverage. Quality of ongoing product support & advantageous pricing.

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Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

Ideas, issues, knowledge, data — visualized!

Infographic maker for scientists

Free online interactive charts for non-techies

Make charts & infographics that people love

Make beautiful infographic presentations fast

An opinionated code formatter

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.

Browsershots makes screenshots of your web design in different browsers.

Humor only programmers can understand

Easy, object oriented client side graphs for designers and developers.