Small Javascript application to sum the estimates entered in Trello. Estimates are written somwhere inside Description field in the form of: Estimate: X where X can be any whole number.

Estimates are summed by label and by list and total number of hours is colorfully written in front of the label list name.

You can use it here: https://dl.dropboxusercontent.com/u/11716687/web/trello-estimates/index.html#

Code was taken from: http://blog.getcorrello.com/2015/10/14/build-your-own-dashboard-on-the-trello-api/ and modified. (Thanks for the nice blog post!)