Dotstorming is described as 'Takes the process of dot voting online to allow groups of people to collaborate on a topic' and is an website. There are 2 alternatives to Dotstorming, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and SaaS apps. The best Dotstorming alternative is GroupMap. It's not free, so if you're looking for a free alternative, you could try bubbl.us.
Online brainstorming tool that helps teams plan, brainstorm, prioritise and take action using visual templates with rules you can set.
Bubbl.us is a simple and free web application that lets you brainstorm online.
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