W3C is pleased to announce the release of Unicorn, a one-stop tool to help people improve the quality of their Web pages. Unicorn combines a number of popular tools in a single, easy interface, including the Markup validator, CSS validator, mobileOk checker, and Feed validator, which remain available as individual services as well. W3C invites developers to enhance the service by creating new modules and testing them in our online developer space (or installing Unicorn locally). W3C looks forward to code contributions from the community as well as suggestions for new features. W3C would like to thank the many people whose work has led up to this first release of Unicorn. This includes developers who started and improved the tool over the past few years, users who have provided feedback, translators who have helped localize the interface with 21 translations so far, and sponsors HP and Mozilla and other individual donors. W3C welcomes feedback and donations so that W3C can continue to expand this free service to the community. Learn more about W3C open source software.
http://www.w3.org/News/2010.html#entry-8862
here it is: http://validator.w3.org/unicorn/
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