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Self-host abs-kosync-bridge

v7.11.0

Sync reading progress across audiobook and ebook apps

ReleaseOpen SourceMIT
GitHubWebsite
Install
Updated5 hours ago
LanguagePython
Setup difficultyModerate
Stars
550
Ports
5757 (Web UI and API (dashboard, settings, logs, matcher, suggestions)), 5758 (Optional split-port KOSync endpoint for internet-safe exposure)
Docker
ghcr.io/cporcellijr/bookbridge
Install with Docker Compose
abs-kosync-bridge screenshot 1

What is abs-kosync-bridge?

BookBridge synchronizes your reading and listening position across multiple apps and devices. It connects Audiobookshelf, KOReader, Grimmory, BookOrbit, Kavita, Calibre-Web Automated, Storyteller, BookFusion, Readest, Hardcover, and StoryGraph. The bridge aligns audio to text using built-in forced alignment (CPU-only QuartzNet) with automatic fallbacks, so no external services are needed. A web dashboard lets you track syncs, match books, and configure integrations. Multiple readers each get their own sign-in and progress isolation. It runs via docker-compose, exposes ports 5757 and optionally 5758, and all setup happens in the web UI after first boot. Actively maintained with regular releases under MIT license.

Should you self-host abs-kosync-bridge?

abs-kosync-bridge scores 57/100 on selfhost.directory (how scoring works) and ranks #5 of 15 in Audiobook Management. It has 550 GitHub stars.

It shipped 21 stable releases in the past year. The latest, v7.11.0, came out on 26 October 2026. New versions land roughly every 10 days.

Setup is moderate: expect some configuration beyond a single command. An official Docker image is available. It is MIT-licensed and written mostly in Python.

Its closest alternative on selfhost.directory is Audiobookshelf (79/100, 14 826 stars). It scores higher overall, so compare the two before you pick. See abs-kosync-bridge vs Audiobookshelf side by side.

Features

  • Admin API for scripted reader setupOptional, requires ADMIN_API_TOKEN
  • Audio-to-text alignment
  • Credential encryption
  • Deliberate rewind handling
  • KOReader highlight and note syncRequires Bridge Sync KOReader plugin
  • Library suggestions
  • Listening stats without Audiobookshelf
  • Local LLM assist (Ollama)Optional, off by default
  • Multi-service sync
  • Multi-user support
  • Read-along EPUB generation for BookOrbit
  • Split-port security
  • Storyteller edition uploads
  • Watched collections auto-matching
  • Web management dashboard

abs-kosync-bridge README

How to install abs-kosync-bridge

Install abs-kosync-bridge with Docker Compose

Docker and Docker Compose
Environment variables
TZ, LOG_LEVEL, KOSYNC_PORT (optional), BOOKBRIDGE_SECRET_KEY (optional), ADMIN_API_TOKEN (optional)

services: abs-kosync: container_name: abs_kosync image: ghcr.io/cporcellijr/bookbridge:latest restart: unless-stopped ports: - "8080:5757" # - "5758:5758" # Optional: expose the sync-only port when using KOSYNC_PORT=5758 environment: - TZ=America/New_York - LOG_LEVEL=INFO # - KOSYNC_PORT=5758 # Optional: enable split-port mode # Configure ABS, KOSync, Grimmory, BookOrbit, Kavita, CWA, Storyteller, and other services in the Web UI. volumes: - ./data:/data - /path/to/ebooks:/books # - /path/to/storyteller/library:/storyteller_library # Optional: local Storyteller fallback/download access # - /path/to/storyteller/assets:/storyteller/assets # Optional: Storyteller transcript ingest

All configuration is done through the Web UI after first boot

abs-kosync-bridge releases & version history

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