bookorbitOpen source & self-hosting
bookorbit
Self-hosted library for ebooks, PDFs, audiobooks, and comics with progress sync across web, Kobo, and KOReader.
- Browser
- Self-hostable
- Docker supported
- Popularity
- 5.3k Stars
- GitHub stars
- Recent activity
- 10/9/2026
- Updated in the last 30 days
- License
- AGPL-3.0
- Strong copyleft
Why it matters
We look beyond stars: what problem it solves, whether it creates real utility, and what makes its approach worth noticing.
Problem
Traditional self-hosted ebook platforms often lack reliable multi-device reading progress synchronization across Kobo, KOReader, and web readers.
Practical value
Provides a complete self-hosted solution covering multi-format web readers, KOReader plugins, bidirectional annotation sync, 14 metadata sources, and sync with mainstream platforms.
Innovation / differentiation
Achieves bidirectional progress and annotation sync via a dedicated KOReader plugin, bridging the gap between traditional ebook servers and dedicated e-readers.
Leverage potential
Uses Docker containerization and natively supports OIDC single sign-on, facilitating integration into existing home servers or self-hosted infrastructure.
Why now
Current user demand for data sovereignty and multi-device ebook reading synchronization continues to grow, matching this precise pain point.
Community activity
In the last 90 days there were 872 new issues and 169 pull requests; the bounded issue/PR samples include 75 issue authors and 29 PR contributors, with 15 releases.
Maintainer responsiveness
The 96-issue window sample had a 78% close rate, and the 100-pull-request sample had a 51% merge rate. Maintainer-comment observations covered only 16% of that issue sample, so response rate and first-response speed are not reported.
Key highlights
- Built-in Web Readers: Ebooks (EPUB, KEPUB, MOBI, AZW3, AZW, FB2), PDFs, comics (CBZ, CBR, CB7), and audiobooks (M4B,
- Three-Way Sync (Kobo + KOReader + BookOrbit): Progress and annotations flow bidirectionally between Kobo devices, KO
- KOReader Plugin: An on-device catalog browser with search, download, and status and rating management, alongside ful
Quick start
How it is installed, how hard it is, and where to start.
Best for
- Teams that want data on their own servers
- People who prefer Docker deploys
Watch outs
- 4 inferred from materials — review under Sources below
More about it
BookOrbit is a self-hosted library for ebooks, PDFs, audiobooks, and comics. Progress and highlights sync across the web reader, Kobo, and KOReader—so the product is about continuous reading, not just a prettier shelf.
It fits people with large personal collections who do not want reading state locked to one vendor cloud. You host the library; metadata and progress stay under your control.
Sources
Each field shows its status and source — expand to review.
9 · Expand
Sources
Each field shows its status and source — expand to review.
Latest release
Verifiedv3.3.0
Source: GitHub API · latest_release=v3.3.0 · 10/10/2026
License
VerifiedAGPL-3.0
Source: GitHub API · license.spdx_id=AGPL-3.0 · 10/10/2026
logo url
VerifiedNone
Source: admin_cms · cms editor · 8/28/2026
One-liner
Verified{"en":"Self-hosted library for ebooks, PDFs, audiobooks, and comics with progress sync across web, Kobo, and KOReader.","zh":"BookOrbit 是一个功能极其完善的自托管数字图书馆平台。它不仅解决了电子书、有声书和漫画的统一管理问题，更通过创新的双向同步机制（Kobo/KOReader/Web），真正实现了跨设备阅读进度的无缝衔接。"}
Source: heuristic_batch_publish · batch-publish-tools heuristic write · 8/24/2026
Platforms
Inferred from materialsbrowser
Source: Project README · browser · 8/13/2026
Category hint
Inferred from materialssecurity
Source: Project README · hint=security · 8/13/2026
screenshot url
VerifiedNone
Source: admin_cms · cms editor · 8/28/2026
supports docker
VerifiedYes
Source: Repository file · dockerfile=true; compose=true · 10/10/2026
supports self host
Inferred from materialsYes
Source: Project README · matched self-host keywords · 8/13/2026
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