If your outlook on everyday business communications is heavily influenced by, well, Microsoft Outlook, then there’s a good chance you’ve wished at one point or another that you could tweak the software to make it serve your needs more efficiently. The good news is that you can.

A handful of companies have come up with tools to enhance your Outlook experience. Slipstick Systems offers an A-to-Z a la carte menu featuring dozens of add-ons that you can download and try in conjunction with Outlook in an effort to identify the ones that will actually work for you. Don’t have the time — or the patience? Simply not a fan of the notion of downloading yet another program that you may never use? We tested a slew of them so you don’t have to. Our top three picks are ClearContext, Xobni and Gist.