LunaPic - Free and Easy to use online image effects. Try the effect.
Jet Screenshot - Jet Screenshot is a freeware utility enabling you to share screenshot via the internet in seconds.
FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.
Screenshot Captor - Screenshot Captor is a program for taking screenshots on your computer.
Photoshop.com - Photoshop.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.