https://think.digital-worx.de/2007/08/17/im-vergleich-xrms-sugarcrm-und-vtiger-crm/
Im Vergleich: XRMS, SugarCRM und vtiger CRM | Think! - digital worx
im vergleichvtiger crmthink digitalsugarcrmund
https://phpmagazine.net/2008/06/xrms-open-source-crm-sfa-and-bi-solution.html
XRMS, Open Source CRM, SFA and BI Solution - PHP Magazine Network
Jun 4, 2008 - XRMS is a web-based application for managing business entities such as employees, customers, contacts, activities with those contacts, etc. XRMS could be...
open source crmsfa