Daniel McPherson points to a number of templates for Windows Sharepoint Services, available on Micorsoft downloads, to help with common tasks in every organization.

Windows SharePoint Services Applications Template: Room And Equipment
Windows SharePoint Services Applications Template: Expense Report Portal
Windows SharePoint Services Applications Template: Event Planning
Windows SharePoint Services Applications Template: RFP Management
Windows SharePoint Services Applications Template: HR InfoPath Forms
Windows SharePoint Services Applications Template: Professional Services Contractual Setup
Windows SharePoint Services Applications Template: Loan Initiation Management
Windows SharePoint Services Applications Template: Change Management
Windows SharePoint Services Applications Template: Meeting Management
Windows SharePoint Services Applications Template: Classroom Management
Windows SharePoint Services Applications Template: Legal Document Review
Windows SharePoint Services Applications Template: Employee Scheduling
Windows SharePoint Services Applications Template: Marketing Communications Campaign Site
Windows SharePoint Services Applications Template: Employee Training
Windows SharePoint Services Applications Template: IT Developer
Windows SharePoint Services Applications Template: HelpDesk Dashboard
Windows SharePoint Services Applications Template: Board of Directors
Windows SharePoint Services Applications Template: Project Team Management
Windows SharePoint Services Applications Template: Absence Request and Vacation Schedule Management
Windows SharePoint Services Applications Template: Competitive Intelligence