Browsers (242 programs)

Pros: Run up to 5 versions simultaneously.

Cons: You'll need to provide all the versions to try.

Pros: Enables you to manage your. Integration with iPod Touch and iPhone. Allows you to transfer items from Google Reader to your list. Supports offline and online syncing.

Cons: Preferences are a little overwhelming for a Firefox extension. May slow down Firefox while syncing your list.

Pros: Great for hot key lovers. Highly customizable.

Cons: Complex. More difficult than using a mouse.