I'm one of those people who "Gets Things Done" the old-fashioned way. I've tried just about every To-Do list manager for the Mac and iPhone, and I still end up resorting to writing lists in my Moleskine notebook and then crossing off the completed items. Still, when I saw that an upgrade to CheckOff had been shipped by Second Gear Software, I decided to give it a try.
CheckOff 4.0 is not the latest navigator and weapons officer for the USS Enterprise. It is a compact and easily accessible to-do list for Mac OS X, and it runs both on Mac OS X 10.5 Leopard and 10.6 Snow Leopard. CheckOff 4.0 is shareware, and requires that you purchase a US$12.95 license to use it for more than ten to-do items.
After installing and launching the 4.4 MB application on your Mac, a check mark icon appears in the menu bar. To add or delete items from your to-do list, you click on the check mark to make the CheckOff menu appear (below):