ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
island - a free and opensource alternative to parellel space
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
App Cloner - Clone your Android apps so you can use multiple logins.
LightShot - The fastest way to take a customizable screenshot.
Parallel Space - Parallel Space – Multiple accounts and Two-Face is free to use mobile app that helps you clone or run multiple accounts of the same app simultaneously, and use themes to style your unique space.