24SevenOffice is an ajax-based ERP/CRM-solution that includes a project management module. It is integrated with the CRM, invoice, accounting, e-mail, timesheet and document management modules. No activity limit. Offers web-services for integration with other systems.
CRM Capable
Project Management/Team Collaboration Tools
These project management solutions and/or online team collaboration tools incorporate Customer Relationship Management (a.k.a. CRM) functionality. They allow users to manage and collaborate with customers and clients in the same system they manage projects and interact with employees.
While a critical need for many, not every company needs integrated CRM. If you need it you'll know; if so these solutions are the solutions for you to consider.

