Anna's Archive has backed up Spotify's metadata and music files (~300TB), creating the largest publicly available music metadata database (256 million tracks, 186 million ISRCs) and a "preservation archive" for music.
The Interim Computer Museum (ICM) preserves and shares the history of computing through interactive exhibits using vintage hardware with modern enhancements.
A podcast exploring the history of computing, from early machines like the LINC and LGP-30 to more modern devices like the Keypact Micro-VIP and Friden Flexowriter, and the people who restore and preserve them.