StackPanel:
The StackPanel is a simple layout panel that arranges its child elements into a single line that can be oriented horizontally or vertically.
Grid:
The Grid control is the most flexible layout panel, and supports arranging controls in multi-row and multi-column layouts.
Canvas:
Canvas is useful for scenarios where the UI elements contained within it never move.
WrapPanel or WrapGrid :
Positions child elements sequentially from left to right or top to bottom. When elements extend beyond the container edge, elements are positioned in the next row or column. In Windows Phone 8, consider using the WrapPanel available in the Windows Phone Toolkit.