Easy Incentivizer by Cyntexa is a FREE salesforce commission calculation app that operates entirely on salesforce. Its main aim is to help you automatically calculate the salesforce commission for the various sales agents/representatives for the opportunities that they have closed. You can calculate commissions in a simple as well as progressive manner automatically. Companies can create and manage multiple commission templates for multiple users to define different commission criteria. For More:- https://cyntexa.com/products/easyincentivizer/