You can find AceText's main toolbar at the top of the AceText window. The AceText Tower has a shorter version of this toolbar, with fewer commands. If you have a high resolution monitor and the toolbar buttons are too small, turn on the "large toolbar icons" option in the Appearance Preferences. From left to right, the main toolbar offers the following commands:
New Collection
Close Collection
Open Collection
Save Collection
Print Collection
SequencePaste Up And Down
AcePaste Now
AceText Editor
AceText Tower
Always Visible
Live Spell Check
Word Wrap
Right-to-Left
Preferences