Screen Savers (408 programs)

Pros: Wide collection of images. It can display time. You can browse through images.

Cons: Images are not created in real time.

Cons: Not many configuration options.

Pros: Live blog activity mapped on a rotating 3D globe. Visually engaging and relaxing to watch. Lightweight and free to use. Runs automatically when system is idle.

Cons: No customization or content control. May not work on modern Windows without tweaks.