There are zillions of all sorts of vendors, however it will most likely boil down into these: Oracle,Salesforce,Adobe,Microsoft,Zoho,Hubspot,etc. Some interesti

There are zillions of all sorts of vendors, however it will most likely boil down into these: Oracle,Salesforce,Adobe,Microsoft,Zoho,Hubspot,etc. Some interesting resource on CRM in general: https://beagleresearch.com https://beagleresearch.com As for specific products,I'm mainly familiar with Salesforce,so: https://trailhead.salesforce.com/en/home https://trailhead.salesforce.com/en/home