NeoDB is an open-source software project and global community platform launched in 2021. It positions itself as a combination of cultural collection management, ratings, reviews, and federated social networking. It covers categories such as books, movies, TV series, music albums, games, podcasts, and performances, making it functionally similar to a hybrid of Goodreads, Letterboxd, RateYourMusic, Podchaser, and Mastodon.
For personal management, NeoDB lets users mark items as planned, in progress, completed, or abandoned; write ratings and reviews; take progress-based notes; create private or public tags; share lists; and track progress for reading challenges and similar goals. On the data side, it supports full user archive import and export, and can migrate data from sources such as Goodreads, StoryGraph, Letterboxd, RateYourMusic, podcast OPML files, and Douban archives.
Social features and ecosystem integration are major strengths. NeoDB supports text and image posts, replies, friend activity feeds, and configurable visibility settings. Based on ActivityPub, it interoperates with Fediverse services such as Mastodon and Pleroma. It also supports Bluesky/ATProto identity login and social graph import. On the API side, NeoDB provides endpoints for managing collections and reviews, while also supporting a Mastodon-compatible API. Authorization is based on OAuth, and the documentation includes examples for creating an application, obtaining a token, and accessing protected endpoints.
NeoDB is licensed under AGPLv3 and explicitly supports self-hosting and interconnection between instances, making it suitable for teams that want control over their data and community governance. The project does not disclose commercial pricing; the main materials emphasize that it is free and open source, and encourage donations to NeoDB.social or to the service provider of the instance being used.
Its advantages include being open source, self-hostable, compatible with federated protocols, capable of importing and exporting data, and broad in its coverage of cultural categories. Its drawbacks are the lack of clear information on commercial support, SLAs, payment methods, and official SDKs. If you operate a public instance, you also need to handle deployment, maintenance, and community governance yourself. NeoDB is a good fit for Fediverse users, heavy users of cultural collection tools, independent community operators, and developers who want to build clients or migration tools on top of open APIs.
The collected text does not provide information about availability from mainland China, payment methods, or mirrors, so its access status is unknown. Alternatives include Douban, Goodreads, Letterboxd, RateYourMusic, Podchaser, and Mastodon, but NeoDB stands out for being open source, self-hostable, and federated.
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