Zero BS CRM is a Customer Relationship Management Plugin which runs on the WordPress CMS.

BuzzFlow CRM allows you to take control of your sales process.

Marketero is a sales CRM, landing pages and email marketing software.

InStream is an online CRM, which helps build strong relationships with customers.

Firmao CRM is a business software includes modules like online crm (customer relationship management), projects and tasks management, invoicing and many more.