The most affordable CRM system according to Capterra
Powerful Open Source Email Marketing app with analytics & segmentation
VICIdial Contact Center Suite
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Customer Relation Management Software with CTI integration support
Unified Communications Server
Simple, web-based address & phone book
vTiger Freeswitch PBX Integration
eAssistance Pro offers to add live chat plugin on website
Integrate eAssistance Pro live chat plugin on Salesforce CRM
Integrate live chat on website to provide online customer support
Complemento de Outlook 2010 para SugarCRM
CRM system based on vtiger, adapted to Polish companies.
predictive dialing for vTiger using asterisk