Mac (10000 programs)

Pros: Lots of layers, effect and filters. HDR image support. Web export. Many formats.

Cons: Slightly less advanced than Photoshop. Interface can be a bit confusing.

Pros: Gives more power to window management. Make windows transparent.

Cons: Haxie application which may not remove properly.

Pros: Low system requirements. Beautiful music. Amazing pixel graphics. Creepy atmosphere.

Cons: Cinematography can be too dark. Confusing storyline. Mechanics are random. Can’t customize control keys.

Pros: New scaling algorithm. Faster than previous version. New sharpening and film grain options. Robust layer support.

Cons: Expensive for a plugin. Doesn't handle semi-transparent areas and hard edges as well.

Pros: Fun and original tracks. Good use of physics.

Cons: Can be quite difficult.

Pros: Easy to use and simple to learn. Available on computer. mobile and web.

Cons: Not a free service after the 30 day trial. No PC application. Windows only available through web app.