espanso is a text expanding application that works as an autocomplete program for developers. It is a free and open source expanding application.
Here are some screenshots to illustrate the features and user interface of this application:
A free app for Windows, by Federico Terzi. Screenshot of espanso - 984px · 652pxespanso: User interface. Screenshot of espanso - 722px · 448pxScreenshot of espanso - Size: 1673px · 794px
Notepad++
PilotEdit
RJ TextEd
SciTE
AkelPad