A simple Windows app written in C#, expands hotstrings into expanded text.
typing ,int expands to integer. Based on what is the app config file.
Update the App config file with your hotstrings as keys and the output you want as the value. Be sure to reload settings from the icon in the task bar, when making changes to the app config file.
Keystroke API https://github.com/fabriciorissetto/KeystrokeAPI