# Free Book and Text Data APIs: Gutenberg, Open Library, Wikipedia

Free books, book metadata and encyclopedic text you can search, download or feed to an AI assistant, with the license of each.

## Open sources

- Project Gutenberg: A volunteer-built library of free eBooks, mostly older works out of US copyright, offered as HTML, EPUB, Kindle and plain text, with full catalog dumps in RDF and CSV. [API, no key; commercial use with conditions] https://agentgid.com/resources/project-gutenberg/agent.md
- Open Library: An open, editable catalog of books, editions and authors run by the Internet Archive, with JSON APIs for search, covers and records, plus full monthly data dumps. [API, no key; commercial use with conditions] https://agentgid.com/resources/open-library/agent.md
- Internet Archive: A non-profit digital library of uploaded books, films, audio, software and web snapshots, with open APIs for search, item metadata and file download. [API, no key; commercial use with conditions] https://agentgid.com/resources/internet-archive/agent.md
- Wikipedia: The free encyclopedia plus a family of public APIs (Action API, REST API, pageviews, live edit stream) and monthly full database dumps of every Wikimedia wiki. [API, no key; commercial use with conditions] https://agentgid.com/resources/wikipedia/agent.md
- Europeana: A single search portal and set of APIs over records from European museums, libraries and archives, with CC0 metadata and per-item rights labels for the linked images, texts, audio and video. [API with key; commercial use with conditions] https://agentgid.com/resources/europeana/agent.md

## Libraries

- LanceDB (Python): Vector database for AI and ML workloads with fast similarity search. https://agentgid.com/tools/lancedb/agent.md
- Sentence Transformers: Pre-trained models for semantic embeddings, retrieval and reranking. https://agentgid.com/tools/sentence-transformers/agent.md

## Build ideas

- Ask questions of a classic book: https://agentgid.com/resources/ideas/ask-a-classic-book/agent.md
- A reading list app with real covers: https://agentgid.com/resources/ideas/reading-list-with-covers/agent.md
- Ambient sound from live Wikipedia edits: https://agentgid.com/resources/ideas/wikipedia-live-sound/agent.md
