Every world you save on the Starmap or Atlas tab shows up here, and you can give each one your own tags to remember why you kept it. Pick things on the left to narrow the list down - genres and creators mean "any of these", tags mean "all of these". Everything in this tab is JSON data in your own browser. When you are signed in, the site can also keep a copy with your profile: Bring server copy here adds that server copy to this browser without removing worlds, playlists, notes or lists you already have. Export saves a JSON copy for you to keep. Import brings that copy into this browser. Clearing the Library clears this browser only. The optional Akashic companion verifies your existing VRChat browser session and makes Invite me actions directly with VRChat; it never gives an Akashic server your password or session.