My first package is live, for a GUID data type.
I am planning a few more packages.
1) Really Simple Form
Allows you to add a basic html form and submit by email.
2) Sound Cloud player + Media Picker
Developed for zman.co.uk this allows you to play audio files in the webpage.
3) FileAsAttachment handler
Pass a media item id to it and the file will always offer a "save as..." dialogue instead of opening in the browser window read more...