One of the first things you can do when you start up a new business, or help someone start one, is fire up eStudio from same-page. This is one of the best small business tools ever created.
Here is some info on it...
Same-Page eStudio provides project management software, document management software, calendar software and contact management software that improves workflow and enhances communication between workgroups and clients. eStudio is web-based groupware software; perfect for businesses, agencies, and organizations with multiple offices or for companies that have staff that works from home. eStudio is a scalable product that will grow with your business, and can be set-up in minutes.
It has a neat interface that allows you to use it with any 3G phone, its free for the first month and the basic suite is like $50/month for unlimited users.
For more information go to: Same-Page