Audiotool is a powerful online music production studio right in your browser.

MiniWeb models an entire web site in a single HTML page. All of the site files are stored in a JSON object which you can navigate with a UNIX-like shell or the system browser. It has a built-in templating system and has an approximate separation of client and server. It is in its infancy but is still kind of fun to play with.

WWW SQL Designer allows users to create database designs, which can be saved/loaded and exported to SQL scripts. Various databases and languages are supported. Ability to import existing database design.

These CSS bugs are all found only in Internet Explorer, versions 5 and higher. To see the demos properly, they must be viewed in IE, of course.

ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. ClickHeat is an OpenSource software, released under GPL licence, and free of charge.

Opentape is a free, open-source package that lets you make and host your own mixtapes on the web.

Upload songs (via web or FTP), reorder, rename, customize the style, and share what you like on other sites with an embeddable player.

See the internet's history

The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Firefox and Opera, and will run on any platform that these browsers support including Windows, OS X and Linux.

SitePoint provides cutting-edge content for web professionals — developers, designers, programmers, freelancers and site owners.

For people who make websites.