How to get to the library ?

In this Video, Ludvik opens from the FuseBlur Node a Library.
Within the Library he has a Chromatic Aberration node, and other nice nodes.

How can I enter this library ?
And where do you get all these wonderful nodes ?

His Video is here:

thank you so much for any little help !

ohhh.. the bins... CTRL+B.. got it.. just in case someone else is searching for the shortcut !