» W3.AT Simple QRCode Generator
This is a very simple tool to generate qrcodes using a webform or using a simple API. It is provided by w3.at.
» World Wide Web Consortium (W3C)
W3C's primary activity is to develop protocols and guidelines that ensure long-term growth for the Web. W3C's standards define key parts of what makes the World Wide Web work.
» The Internet Engineering Task Force (IETF)
The mission of the IETF is to make the Internet work better by producing high quality, relevant technical documents that influence the way people design, use, and manage the Internet.
» The W3C Markup Validation Service
With this validator you can check the syntax and correctness of your webpages either by URL or file upload.
» The W3C CSS Validation Service
With this validator you can check the syntax and correctness of your css files either by URL or file upload.
» Chrome Browser from Google
The most important web browser. Currently more than 50% use the Chrome browser.
» Firefox Browser
Mozilla/Firefox was one of the first browsers available for allmost all plattforms, and moved web development forward for many years.