Thread Tracker C40 is a simple application designed to help you keep track of you Madeira Classic 40 Threads, featuring all 355 colours in the Classic 40 range. The application allows you to set 'ownership status' of 'Don't Own, Do own, On Bobbin and Need To Buy' per thread. Each thread is presented sorted by Code, with the ability to view a detail page which tells you the number, a sample of the colour, allows you to view and modify the 'ownership status' and the amount you own/need to buy. 4 buttons down the bottom of the application allow you to easily filter out/in threads based upon 'ownership status', allowing you to view only the ones you need to buy, or own easily. A search feature allows you to find threads by their Code.

A Shopping list can be generated by setting the 'ownership status' to 'Need to buy' on the threads you need. Then press the 'Don't', 'Do', 'Bobbin' buttons so they are faded out, leaving you with just the 'Need to buy'.