CF Signature Library Script
SuperSignature works well with all modern browsers (canvas and HTML5 support) and it is actively maintained. We provide free email support and updates for life-time. Many free, open-source script lack active development and support.
There are lots of applications of coldfusion signature capture, you can use it in online contact forms, invoice, pdf signing, e-commerce, erp portals and crm applications. Please refer Coldfusion signature library jQuery.