Tile Multiple Windows In FireFox With Split Browser Extension
Firefox tabbing is great when you visit many sites and want to follow links with out leaving the original site. But sometimes you need to compare two or more web pages for a news article, stocks prices, photos, etc, and switching between tabs can be cumbersome.
With most applications, you can tile windows horizontally or vertically and view multiple windows at once. Firefox itself does not provide this functionality, but the Split Browser add-on takes it to a whole new level.

