openCRX
OpenCRX, an open source, enterprise-level CRM tool, automates marketing and sales for organizations, as well as functioning as a contact or customer support center. Being responsive, OpenCRX work with all devices and in all major browsers. Administrators can tailor the application to meet user's needs by adding or removing features, restricting access, changing the layout or by adding modules to increase the CRM's functionality. Adding languages is simple with the latest 4.0.0 version of OpenCRX; the free download is ready for the cloud as well. There is an online demo to test before downloading and deploying the software. The active forums are excellent resources for help, support and for downloading patches.