&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
Agile Retrospective Resource Wiki : This is a resource for sharing retrospective plans, tips & tricks, tools and ideas to help us get the most out of our retrospectives. Retrospectives p...
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).
The CMS Matrix : CMSmatrix lets you easily compare the features in over 1200 content management system products. Check the boxes next to the software you're interested...
Zest Documentation Browser : Offline search tool for developers. Find what you need without the need for Internet access. Allows finding detailed information not available in docu...
TLDR pages : The TLDR pages are a community effort to simplify the beloved man pages with practical examples.
schema.org : 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 als...
Outline : Team wiki, documentation, meeting notes, playbooks, onboarding, work logs, brainstorming, & more…