Image Uploader alternatives
Uploading and screenshoting:
ShareX (open source)
Ksnip (open source)
Lightshot
PickPick
monosnap
Greenshot (open source)
KiberInfinity's Screen Shooter
File & Image Uploader
Snagit ($)
clip2net.com
jetscreenshot.com
joxi.ru
http://screenpic.net/
pixlr.com
droplr.com
JShot
FluffyApp
Shotty
gyazo.com
QIP Shot
snag.gy (HTML5)
Jumpshare
Shutter (open source, Linux)
Neembuu Uploader (open source)
Making video snapshots:
licecap is a lighweight and opensource program for screen capturing to GIF
ScreenToGif (open source)
thumbnailme (open source)
MPC (video player)
Batch Video to Image Extractor
FrameShots ($)