ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Zenity - Zenity is a tool that allows you to display GTK dialog boxes in commandline and shell scripts.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Yad - Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons...
Microsoft Power Automate - Microsoft Power Automate is an automation platform that integrates DPA, RPA, and process mining. It lets you automate your organization at scale using low-code and AI.
Batch MessageBox - Display message boxes from Windows batch files and command line programs.