Expand short triggers into saved text
Open Text Expander from the Linkhiv menu bar and give a short trigger some replacement text: a signature, a standard reply, an address. Then type that trigger in any app and press Space, Tab, or Return, and Linkhiv swaps it for the full text. Replacements can carry variables, so the current date or your last clipboard item fill themselves in, and you can exclude apps where you would rather a trigger did not fire.
Linkhiv for Mac