We use freshbooks for timesheets, billing and invoicing. It will do basic project management but not the formal planning you find in most packages like Microsoft project. It will link with salesforce.com to do your CRM.
If anyone has a good on-line project management package please let me know, we would like to integrate it into our training courses. We want schedules, risk logs, stakeholder logs, change logs, issue logs and basic budgeting.
on-line APM Project Management Training