Lightweight open-source firmware for Xteink X4/X3 e-paper reader • EPUB/FB2/MD/TXT support • Custom themes & fonts

Desktop converter to binary book formats (such as XTC used on Xteink devices) based on Cool Reader / crengine

a minimal e-ink os targeting the esp32c3 and xteink x4 e-reader

EPUB optimizer and XTC/XTCH converter for Xteink X4 e-reader (480×800 e-ink display)

A self-hosted companion app for Xteink and CrossPoint e-readers.

Firmware for the Xteink X4 e-paper display reader

ESPHome components for Xteink X4 e-reader

Cross-platform CLI tool for flashing firmware to Xteink X4 e-paper reader devices (ESP32-C3). Features auto-detection, embedded bootloader, MD5 verification, and progress display.

Web-based EPUB optimizer for e-ink readers. Converts images, strips fonts, cleans CSS/metadata, fixes TOC — all in one pass.

Custom firmware and a tmux bridge for using an XTeInk X4 as a small Wi-Fi e-ink terminal display.

Patch for JieLi/hanlinyue firmware updater to bypass broken VID check. For Free2 Bluetooth page turners (working with Xteink X4 and similar devices).

Read-only multi-library OPDS server for Calibre, built for the XteInk X4 and CrossPoint Reader.

Windows GUI tool for converting Aozora Bunko text, EPUB, images, and plain text into Japanese vertical-writing XTC/XTCH files for Xteink X3/X4.

Web application to convert your EPUB e-books to XTC format, for performant use on your XTEInk E-reader 📱👀

p5.js Truchet-based sleep-screen generators for XTeink X4 e-ink displays

Go library and CLI for encoding, decoding, and manipulating Xteink e-paper image and comic container formats.

Present multiple OPDS feeds in a single feed

CrossPoint Reader firmware for Xteink X3 & X4 with Vietnamese support (UI + UbuntuVietHoa font) — base 1.3.0 + sleep bitmap fix + i18n. Fork of crosspoint-reader.

支持阅星曈X3，X4的壁纸，一个功能丰富的像素风格工卡生成器，支持自定义文字、头像、二维码、签名等功能。