iNetSudo for SugarCRM 7.9+ allows SugarCRM Administrators to easily change to a different user without knowing their password, enabling them to configure and test any user's experience.
Other add-ons of interest
Process Manager 4.5
Your Sugar Workflow Solution! Powerful Process Automation software for all editions of SugarCRM and SuiteCRM (Visit https://store.suitecrm.com/) that will allow you and your employees to spend more time doing what they do best: 'Selling To and Servicing Your Customers' and less time trying to manag...
Easily see what your SugarCRM users are seeing by logging in as that user without having to pass around passwords. Quickly troubleshoot issues, help configure user dashboards, or train your staff.