Never lose your place
Close the ebook on your commute, open the audiobook that night, and resume at the same sentence — not an approximate percentage.
Your books, one exact place.
Read an ebook, continue in audio, and return to the same sentence on any supported device.
Beta · Open source · Self-hosted on your own server · No subscription
The Adventures of Alice in Wonderland
Why people switch to Aldus
Section titled “Why people switch to Aldus”Own it, don't rent it
Your books live on your server. No account with a streaming company, no subscription, nothing that disappears if a company shuts down.
Ask for what's missing
Request a format you don’t have. Aldus searches, downloads, verifies, and imports it under rules you set — optional, and entirely under your control.
See it in your library
Section titled “See it in your library”
One library, several ways in
Aldus keeps device adapters at the edge and one progress model at the center.
- Streaming
- Never wait to seekHTTP byte ranges, even on a twelve-hour audiobook
- Position
- One exact placeA canonical segment and offset, shared across every client
- Clients
- Read anywhereExpo apps, the web, and KOReader all watch the same position
- Storage
- Your files stay yoursExternal sources are never modified; imports are verified copies
Get started
Section titled “Get started”Read and listen
Learn the iPhone, iPad, Android, web, offline, and exact synchronization workflows.
Connect an e-reader
Create KOReader credentials and browse your library through OPDS.
Run Aldus
Install the server, add owned media, configure a household, and keep it backed up.
Self-hosted and yours to run.
No account required to try it, and nothing to lose if you stop.