&what: Discover Unicode & HTML Character Entities : amp-what is a quick, interactive reference of 14,500 HTML character entities* and common Unicode characters, 8859-1 characters, quotation marks, punct...
Email Standards Project : The Email Standards Project is about working with email client developers and the design community to improve web standards support and accessibility ...
AlsacréationS : Alsacréations est une communauté dédiée à l'apprentissage des standards web (W3C, HTML, XHTML, CSS) ainsi qu'à l'accessibilité numérique
Conclave : Conclave is a peer-to-peer, real-time, collaborative text editor built from scratch in JavaScript. Intrigued by collaborative text editors such as Goo...
This site provides a collection of schemas that webmasters can use to markup HTML pages in ways recognized by major search providers, and that can also be used for structured data interoperability (e.g. in JSON).
Pro Git : The entire Pro Git book, written by Scott Chacon and published by Apress, is available here
GateOne : Gate One is an HTML5-powered terminal emulator and SSH client
phpDocumentor : phpDocumentor enables you to generate documentation from your PHP source code. This documentation provides an in-depth view of your project to you, yo...
Conventional Commits : The Conventional Commits specification is a lightweight convention on top of commit messages. It provides an easy set of rules for creating an explici...