For payments just use Stripe. SuiteCRM is a very polished open source CRM package you can host yourself with a ton of features and plugin modules. Might be wha

For payments just use Stripe. SuiteCRM is a very polished open source CRM package you can host yourself with a ton of features and plugin modules. Might be what you're looking for. There are also a bunch of online solutions you can search for. CRM is not your core business, so my advice would be to just outsource it to some online outfit, make sure you can migrate off it when you grow, and get on with your business.