Imgur's Video to GIF - Make a GIF from hundreds of video sites
Quik by GoPro - Easiest way to create awesome videos
GIFMaker for Mac - GIFMaker – Created a GIF from a video or Images is the easiest way to create an animated GIF on your Mac.
Velapp - Edit video as you shoot
GifRun - GifRun provides easiest way to find and create animated GIFs from YouTube, Video, Images or Vine...
Whitestone - Worlds first interactive music experience platform