Auto Key Presser is a small and basic automation utility that can be configured to simulate keystrokes on an interval. It is a free and open source key automation application that's straightforward and light on system resources.
Here are some screenshots to illustrate the features and user interface of this application:
Set keys or key combinations to automatically press. Screenshot of Auto Key Presser - 1208px · 567pxAutomatically press keys at specified intervals. Screenshot of Auto Key Presser - 1208px · 567pxSet keys or key combinations to automatically press. Screenshot of Auto Key Presser - 1038px · 757px