Open Library vs Readarr
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
Readarr
Archived
E-book and audiobook collection manager
| Feature | Open Library | Readarr |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 15 · At risk |
| Status | Actively maintained | Archived |
| Category | E-books & Media Library | E-books & Media Library |
| License | AGPL-3.0 | GPL-3.0 |
| Language | Python | C# |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 512 MB |
| Deployment | docker | docker, binary |
| GitHub stars | ★ 6,703 | ★ 3,468 |
| First released | 2007 | 2020 |
| Replaces | Goodreads | Goodreads, Audible |
What are Open Library and Readarr?
Open Library
Open Library is the open-source platform behind openlibrary.org, an editable web catalog aiming for a page for every book ever published. The codebase can be self-hosted to run your own book catalog and lending system.
- Editable book catalog
- Lending library system
- Public API
- Massive metadata coverage
Readarr
Readarr is an e-book and audiobook collection manager that automates organizing and acquiring titles, in the Servarr family. It targets users automating their reading library. It is deployed via Docker or binaries.
- Automated library management
- Author and series tracking
- Integrates with download clients
- Servarr-family UI
Open Library vs Readarr: key differences
The biggest difference is maintenance: Readarr's repository is archived and no longer developed, while Open Library is actively maintained. Open Library is written in Python, while Readarr is built with C#. Licensing differs — AGPL-3.0 for Open Library versus GPL-3.0 for Readarr. Readarr is the lighter option, starting around 512 MB of RAM against 4,096 MB for Open Library. Open Library is the more established project (first released 2007), while Readarr arrived in 2020.
Why pick each one
Choose Open Library if…
- Huge catalog data
- Battle-tested platform
Watch out for
- Heavy to self-host
- Complex architecture
Choose Readarr if…
- Automates collection
- Familiar Servarr interface
- Good metadata tracking
Watch out for
- Project entered retirement
- Metadata sources are limited
Frequently asked questions
Is Open Library or Readarr better?
Neither is universally better. Open Library has the larger community, while Readarr is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Open Library and Readarr free and open-source?
Yes. Open Library is licensed under AGPL-3.0 and Readarr under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Open Library and Readarr with Docker?
Open Library: yes. Readarr: yes.
Which is lighter on resources, Open Library or Readarr?
Readarr has the smaller minimum footprint at 512 MB of RAM, compared to about 4,096 MB for Open Library. Real-world usage depends on library size, user count, and enabled features.