Bookmark: 2018 Festival of Maintenance (recordings) https://festivalofmaintenance.wordpress.com/2018-event/ - Maintainers can be found in many contexts, including nature, software, infrastructure, communities, industry, information, arts and heritage. The Festival brings together traditional disciplines of maintenance, repair and stewardship, with new forms such as supporting digital products, sustaining open source software, and moderating online communities.
He also mentions this book that I think I'd heard about before, but sounds like a good read:
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!