Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Shutter - Shutter is a feature-rich screenshot program.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.