Utility websites that you may not know

Here are some useful websites for you that you may not know yet
Edit photo:
http://www.fotor.com/
https://www.befunky.com/
https://pixlr.com/
http://fotoflexer.com/
http://www.photoshop.com/tools/
Nice pictures:
https://unsplash.com/
https://picjumbo.com/
http://littlevisuals.co/
http://www.lifeofpix.com/
https://www.pexels.com/
Strange websites:
-Self made animated films: http://www.dvolver.com/moviemaker/
-Playing with water: http://madebyevan.com/webgl-water/
-Feeling like at a cafe: http://rainycafe.com/
-Neon Swirl Drawing: https://29a.ch/sandbox/2011/neonflames/
-Drawing with sand: https://thisissand.com/
-Experience the world of turbulence: http://zoomquilt.org/
-Reverse character: http://en.fliptext.net/
-Listen to the rain wind (for the lovelorn :D): http://www.rainymood.com/
-Symmetric drawing: http://weavesilk.com/
-Remove any personal information from famous websites: http://www.accountkiller.com/en/
Learn programming:
https://www.codeacademy.com/
https://www.learncodethehardway.com/
https://www.net.tutsplus.com/
https://www.htmldog.com/
https://www.trypython.org/
Search for disease: https://www.WebMD.com/
Compare nutritional value between two dishes: http://www.twofoods.com/
Learn math:
https://www.wolframalpha.com/
https://www.projecteuler.net/
https://www.mathrun.net/
https://www.mathway.com/
Learn foreign language:
https://www.duolingo.com/
https://www.memrise.com/
https://www.livemocha.com/
https://www.busuu.com/
https://www.verbling.com/
Edit audio:
http://mp3cut.net/
https://twistedwave.com/online/
https://soundation.com/
Edit video:
https://www.magisto.com/
https://wideo.co/en/
https://clipchamp.com/en
http://web.creaza.com/
http://online-video-cutter.com/vi/
https://www.powtoon.com/

Follow me and upvote me if you think it's useful.