Picasa is Google’s desktop app to manage photos, and on March 15th, will be discontinuing the application and support. It’s kinda of sad, because it was a good desktop competitor for users not on OS X and didn’t have access to the Photos app. Users of Picasa will find their photos already stored in Google Photos, and can continue to download the app if needed until the March 15th deadline.
The lack of desktop applications and the push for the cloud is a little unsettling. I haven’t quite decided if its a good thing or not.