Sugar CRM
Sugar CRM is one of the best open source CRM softwares on the market today. Sugar offers a huge range of deployment options from on-site to in the cloud for its extremely customizable CRM platform. The software has been designed to heighten customer experience, increase productivity like never before, and cut operating costs through its extreme efficiency. Sugar CRM is inherently customizable and flexible. With no hidden fees or upgrade costs tacked on when clients want to customize the platform, this open source CRM software already one-ups many of the other softwares on the market. The modern, innovative user experience and flexible yet powerful features built into Sugar CRM make this an open source CRM software to be reckoned with.