crossink

Reading progress sync, stats and highlights for any KOSync-compatible e-reader. Self-hostable, with a companion app. Syncs with 3rd party connectors such as Hardcover, Spotify, Audiobookshelf, BookOrbit, BookFusion, Readest, and Readwise.

Fork of CrossInk with added note-taking features.

Render PDFs like EPUBs directly on Xteink with on-device reflow, CrossInk typography, bookmarks, clippings, and reading progress.

VARAGH (ورق) – e-reader firmware for the Xteink X4 Pro for reading and learning in English, German and Persian. A fork of CrossInk.

A personal feature-fork for the XTEINK X4 Pro. A fork of VARAGH & CrossInk.

InkKit: native macOS app for CrossInk settings and local configuration backups on XTEINK X3, X4, X4 Classic and X4 Pro (development). Includes a verified SD backup/migration CLI.

Minimal Custom sleep screens and Page Overlays for CrossInk on Xteink X4 and X4 Pro.

Native Z-machine Interactive Fiction for the XTEINK X3, built on CrossInk and Frotz — with e-ink UI, T9 input, saves, rewind, autocomplete, and hardware-tested Z3/Z5/Z8 support.

Personal fork of CrossPoint Reader

CrossInk fork with a 4 digit PIN lock on wake

MicroSlate + CrossInk dual-boot for a USB-locked Xteink X4 (SD-card install). Meta-repo: submodules to both forks + build/flash guide.

Unofficial XTEINK X3 CrossInk downstream: Quick Lock, configurable Power + Right, OTA retention, and conservative transfer fixes.