Is Linux Still Short on Apps vs Windows? Reality Check

Sometime this July will mark my seventh anniversary of becoming a desktop Linux user. While I may or may not bake a cake to celebrate the occasion, it has gotten me thinking about what has changed in the world of Linux since I entered it — and, especially, how much more usable my Linux PC has become then. And what better way to quantify those improvements than to take stock of just how many apps are now available for Linux users that were not seven years ago?