ClientExec is described as 'Have your staff manage support tickets painlessly and quickly. Prevent emails and support issues from getting lost. ClientExec's email management system helps you route, track and deliver messages' and is an app in the business & commerce category. There are more than 10 alternatives to ClientExec for a variety of platforms, including Web-based, Self-Hosted, Linux, Windows and Mac apps. The best ClientExec alternative is Autumn, which is both free and Open Source. Other great apps like ClientExec are WHMCS, BILLmanager, Paymenter and BoxBilling.