The TRIM command is an essential part of SSD maintenance and helps keep the drive running at top speed. It's available natively for Macs using SSD's purchased from Apple but if you've got a third party drive, enabling TRIM requires some fancy Terminal work. Until now, that is.
Instagram is the lovely. Sadly though, it's really only available on your iPhone. With Carousel, you can peep Instagram on your Mac.
Skitch for OS X has been around for so long you might have it on your computer and not even know it. But that doesn't change the fact that it pretty much murders the standard OS X screenshot snapper.
I think I'll stick with my torrented copy of Word, but if you find you spend more time tinkering with the various viewing options and being niggled by the constant auto-correct/blue squiggly lines/Clippy notifications, iA Writer might tickle your fancy.