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Below I’ve collected some links to advanced computer science courses on-line. I’m concentrating on courses with good lecture notes, rather than video lectures, and I’m applying a rather arbitrary filter for quality (otherwise this becomes a directory with less semantic utility).

This is the good stuff! But only a subset of it – any recommendations for good courses are gratefully received. I’m mainly interested in systems, data-structures and mathematics, so reserve the right to choose topics at will.

This is a simple webservice that helps you in tagging textual content on and off the web. There are two ways of using it:

by simply pasting a URL or a text in the fields below or uploading a file

by using the REST API

tagthe.net then returns a set of tags based on the textual content you specified. The service is mainly designed for developers, building applications that make use of tagging. To find out why tagthe.net is different just read the FAQ, or drop us a line!

Linux hosted on JavaScript

Getting Things Done (GTD) is a method for organizing tasks so that you can focus your entire energy and creativity on completing those tasks in a stress free manner. This method was developed by David Allen in his book, Getting Things Done. The main principle of GTD is that recording your tasks in a reliable way - using a system that you trust - will free your mind from trying to remember and prioritize stuff. This recaptured mental energy can be put towards being more productive and efficient.

"Tarpipe streamlines your updates to various social web sites, creating simple or complex workflows to update several buckets in one fell swoop." –

Visual authoring of HTML5 user interfaces - in the browser!<br />
Maqetta is an open source project that provides WYSIWYG visual authoring of HTML5 user interfaces. The Maqetta application itself is authored in HTML, and therefore runs in the browser without requiring additional plugins or downloads.

Looplabs is the web’s premiere online music mixing application and platform. Since 2000 we have connected millions of web users from around the world to the art of music mixing through our extremely intuitive and easy-to use software interfaces.