Some modifiers missing in "add modifiers" tab When I go to the Properties tab, click on Object Modifiers, and then Add Modifier, I notice that a lot of the modifiers are missing.  For example, "Mask" modifier does not appear, "Boolean" also doesn't appear, and neither do several others (which would take a while to label). I'm using blender 2.76b, but I was also missing them in 2.74 (which I was using before 2.76b).

any ideas on what it could be?
Not all modifiers are available for all kinds of objects.
The main difference is between Mesh objects and Curve objects

For Mesh Objects you can use:



If you are dealing with curves (and text is considered a curve object) none of the modifiers you mention will be available, only these: