26/12/2017

• regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
• Webhook Tester : Webhook Tester allows you to easily test webhooks and other types of HTTP requests.
• AlsacréationS : Alsacréations est une communauté dédiée à l'apprentissage des standards web (W3C, HTML, XHTML, CSS) ainsi qu'à l'accessibilité numérique
• CSS Reference : Learn by example: cssreference.io is a free visual guide to CSS. It features the most popular properties, and explains them with illustrated and anima...
• SitePoint : SitePoint provides cutting-edge content for web professionals — developers, designers, programmers, freelancers and site owners.