kosync

KOReader sync server. Synchronize reading progress between devices

Self-hosted e-book library with OPDS, web reader and inpx import

Self-hostable reading-position sync and statistics server for Liseur, KOReader, and friends

KOReader plugin to sync progress with Storyteller app

Put your Readwise Reader library on Crosspoint/Xteink e-readers via OPDS+EPUB, with a KOSync read-state round-trip back to Readwise.

The kosync protocol specification, and a verifier that proves an implementation against it.

Self-hosted Windows reading-progress sync: KOReader ↔ Moon+ ↔ Calibre ↔ Goodreads. No cloud, no API key.

Self-hosted sync for Athene and KOReader: books, highlights, notes, bookmarks and reading position, both ways. Also a KOReader Progress sync server.

Self-hosted library manager that unifies your Calibre ebooks and physical books, with the deepest KOReader integration anywhere. Private, self-hosted, with native KOReader catalog, sync, and stats.

Free Android app that syncs your e-reader reading progress, highlights and ratings to Goodreads, StoryGraph, Hardcover, Fable, Pagebound and Seekquel. Works with CrossPoint, KOReader (KOSync), physical books and web novels.

Self-hosted reading stack: kosync-compatible progress sync on Cloudflare Workers + D1, a book ingest pipeline, and measured reading stats from KOReader

Self-hosted, private ebook library on Cloudflare's free tier: upload books, serve them over OPDS 2.0, sync your place with KOReader, and keep reading in the browser.

Self-hosted e-book library with OPDS, web reader and inpx import

Open-source lightweight E-Ink firmware for Xteink (X3/X4/Pro/Classic) and Picco. Features OPDS catalog, KOSync progress sync, deep sleep, and browser web flasher.

KOReader client for xtreader: syncs books, reading position, reading statistics and sleep-screen wallpapers across every reader on one account. Pairs by QR with no password typed into the device.

Proxmox VE helper script: baremetal crosspoint-sync LXC (Node.js + systemd, no Docker)

Read your own EPUBs on Apple Watch, fully offline. iPhone companion app with optional progress sync via KOReader Sync (KOReader, Readest), dictionary lookup, custom typography and full accessibility support. No account required, no tracking.