What does it do? Is it ok to delete all of its content? It consumes 14GB of my hard disk already.
I've just deleted them, and tried to use Chromium, VLC and
P.S. This is far from a good answer, a good answer should give an explanation why is there default .cache folder and when and how it should be deleted.
P.P.S. If you are thinking of just deleting it, make sure to check which programs are using it, and restart them.
My system ubuntu 14.04. I would use 2 step procedure. I would first rename it say xxxcache. Then I try to use the progs that use .cache. Most likely they will create new .cache and put the recently info in it. In other words, they should all work, but they will not remember the past. I have no time to test it, but this what I would do. If something really does not work say chrome, or eclipse I would change xxxcache back. On my ubuntu there is about 30 progs that are using .cache. IMHO