ShareX is an open source program that lets you take screenshots or screencasts of any selected area with a single key, save them in your clipboard, hard disk,…

Droplr is a file-sharing tool for Mac. Effortlessly share files, screenshots, and screencasts with friends, colleagues, and clients.

TransferBigFiles.com makes it easy to deliver larger files (up to 1000 MB) to email recipients, and the files can even be protected.

ge.tt is a free online file sharing service.

FluffyApp is a simple and lightweight utility that was designed to help you instantly upload your pictures or other files to CloudApp.

Jirafeau is a website permitting to upload a file in a simple way and give a unique link to it.