Weather (1664 programs)

Pros: Great range of alert functions. Simple to use.

Cons: No free version. Only American weather alerts.

Pros: Easy to use. Detailed information. Videos and news from around the web.

Cons: Doesn't always update. Information can be inaccurate at times.

Pros: Huge range of source material to access. Comprehensive and articulate arguments.

Cons: Layout is rather clumsy. Some links are outdated.