Softfocus is a very simple site I made a while back to apply the "soft focus" effect to a picture easily (online and for free). It doesn't requires any account and display no adds, people can just drop a picture and download the modified version. It doesn't make any revenue but doesn't cost much either (can run on a free Heroku dyno). I didn't advertise it but somehow it still get 5 to 10 images uploaded per day ^^, probably from online searches. I'm not sure if there's money to make here but maybe by adding more capabilities and effects (tilt-shift, etc..) and talking about it more it could be monetized with ads or premium features. Anyway I don't really have the time to work on this any more so I'll be happy to offer the code for very cheap if you want to do something with it.
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