In HitFilm Express, text can be created in the Viewer panel. The newly created composite shot will now show up in the Media section and next to the Editor panel. 1 second for sliding in, 4 seconds to show, and 1 second to slide out again). Usually, about 6 seconds is enough for shorter pieces of text (e.g. In the Composite Shot Properties panel, change the name to something more descriptive and change the duration. Composite shots are created by clicking on the (+) New button below the Media panel and selecting Composite Shot (or by pressing the Ctrl+ Shift+ N on the keyboard).
In HitFilm Express, a sliding text effect can easily be created its tools inside a composite shot.