Top Alternatives to puush

Greenshot is a free open source screenshot utility.

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, etc

Lightshot is the fastest way to take a customizable screenshot. Simple interface, nothing useless and light weight.

Skitch makes taking, annotating, and sharing screenshots or images is as fun as it is simple.

Flameshot is an opensource screenshot software.

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

Jumpshare is a file sharing service which allows users to upload files from their PC, Mac, and web.

Monosnap is a free screenshot program for Mac OS X and Windows.

CollabShot is a software that specializes in online collaborations.

Gyazo is an open source screenshot program for Windows, Mac OS X and Linux.

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

ScreenCloud is a digital signage cloud platform for easily displaying content on a wide range of readily available screens and hardware.

Capture the web page, either part of it or the whole browser window, edit your screenshots in a very user-friendly interface. Record screencasts - record video from your screen.

Capturebox enables multiple channels of HD or SD content to be captured from HD/SD SDI digital feeds.