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OpenReader

Released under MIT, OpenReader provides EPUB, PDF, DOCX, MD, and TXT file text to speech document reader. Read documents in realtime on self-hosted...

Overview

An open-source read-along document reader server with high-quality TTS options, synchronized highlighting, and audiobook export for EPUB, PDF, DOCX, TXT, and MD. The project has 293 GitHub stars and is licensed under MIT.

Key Features

Source: GitHub README

  • 🎯 Multi-provider TTS with OpenAI-compatible endpoints (OpenAI, DeepInfra, Kokoro, KittenTTS-FastAPI, Orpheus, custom).
  • 📖 Read-along playback for PDF/EPUB with sentence-aware narration.
  • ⏱️ Word-by-word highlighting via optional whisper.cpp timestamps.
  • 🛜 Sync + library import to bring docs across devices and from server-mounted folders.
  • 🗂️ Flexible storage with embedded SeaweedFS or external S3-compatible backends.
  • 🎧 Audiobook export in m4b/mp3 with resumable chapter processing.
  • 🐳 Self-host friendly with Docker, optional auth, and automatic startup migrations.

Normalized Features

Source: tool-features-normalized.json

docker.