As HTML5 get drafted and modern browsers add support, some authoring tools are already available to make your HTML5/CSS3 web development easy. We find a lot of our users coming here looking for HTML5/CSS3 authoring tools. Today, we list down some of the important ones here for your reference, so that you can start using them right away.
Please note these tools support different features of HTML5/CSS3, so you might need to use them in combination. If you know of some other tools that you use, please let us know in the comments.
Google Web Toolkit Incubator project supports some features of HTML5 through classes like GWTCanvas. Google provides a GWT plugin for Eclipse making Web application development as simple as creating any desktop application with all debugging facilities available. Development mode plugins are available for Chrome and Firefox to test the applications before compiling the GWT code.
One advantage here is GWTCanvas provides canvas support for HTML5 for Internet Explorer through images. Code developed using GWTCanvas works even on Internet Explorer.
Try out this demo application in different browsers.