regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Sympl : Sympl is a collection of open-source scripts and templates which allow you to automatically and efficiently configure your website and email on a virt...
HTML5 Please : Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they
Pi-hole : Network-wide ad blocking via your own Linux hardware.
The Pi-hole® is a DNS sinkhole that protects your devices from unwanted content, without install...
Guide to CSS support in email clients : Designing an HTML email that renders consistently across the major email clients can be very time consuming. We've put together this guide to save you...
