I will try to integrate all Wolfram|Alpha APIs.
Has still problems with XML.
Works great, except it needs some milliseconds to read the file. Since v3 there is no need to initialize the file.
Currently supported are pythagorean theorem, haversine and vincenty formula.
Has some constants, number mapping, conversion methods and some characteristics e.g. if the number is odd or even.
A copy of the Web component with the URL split in many parts
An extension which provides additional features to the File component
An extension which provides additional features to the TinyDB component. (At the moment only backup)
An extension which allows you to output tones through your phone