Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
GIGATweaker - GIGATweaker is a powerfull and compact application that allows you to optimize and tweak your OS.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.