Manage the contacts and the sale: Salesforce
Manage the contacts and the sale: Act
Manage the contacts, the sale, broadcasts, autoresponders, the works: Infusionsoft
KarmaCRM for Speakers – developed just for speakers, this CRM has it all!
eSpeakers – a powerful tool for professional speakers to manage calendar, marketing, bureau blasts, PR and more.
Outlook – by Microsoft
Office Apps: Google Apps, Microsoft Office 365, ZoHo Docs
Contacts: Google Apps, SalesForce, InfusionSoft
Calendaring/Scheduling: eSpeakers, Google Apps, Microsoft Office 365
Accounting: Quickbooks Online, Freshbooks
Data Storage: JungleDisk, Dropbox, Skydrive