Visits: 2974Vtiger is the most popular open source CRM. The project owners also have a for pay service, but are still very committed to the open source community edition. Here are fixes for popular issues found in the Open Source edition. WebForms dont save and then give 500 error Opportunities Mbstring error PDF exports instructions … Continue reading Charming #CRM based on Vtiger 7 – With Bug fixes for WebForms, Opportunities, PDF export.