FileMaker Server 11 Advanced
What is it: FileMaker Server 11 Advanced includes all the features of FileMaker Server 11 plus extended sharing capabilities.
What does it do:Whether over a network or on the web, FileMaker Server 11 Advanced maximizes your database sharing and connectivity capabilities, easily and securely.

FileMaker Pro 11 Advanced
What is it: FileMaker Pro 11 Advanced includes all the features of FileMaker Pro 11 plus a suite of advanced development and customization tools.
Who uses it: People who want more tools to help them design and maintain customized databases for themselves or their team.
What it is used for: FileMaker Pro 11 Advanced is used to build more powerful and customized databases faster with ease.

FileMaker Server 11
What is it: FileMaker Server 11 is the newest version of the fast, reliable, easy-to-use server software for groups of FileMaker Pro
users that lets you securely share your databases over a network, or on the web.
What does it do: FileMaker Server 11 lets you share your databases with unrivaled availability, security, and performance.
When should you use it: When you want secure, reliable sharing or you have more than 9 FileMaker Pro users. FileMaker Server 11 allows up to 250 FileMaker Pro clients to access the same database simultaneously.

FileMaker Pro 11
What is it: FileMaker Pro 11 is the newest version of the leading easy-to-use database software for Mac, Windows, and the web.
Who uses it: Individuals, businesses, non-profit organizations, educational institutions, and corporate workgroups.
What is it used for: FileMaker Pro 11 helps you and your team get any task done faster.