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KOReader
koreader · v2026.07.1
7
8.0
Document viewer for e-ink devices
brew install --cask koreader 3
30-day installs
5
90-day installs
5
365-day installs
Install trend
Trust Score 7/10
✓ Open source (AGPL-3.0) +3
✓ Active development +2
✓ Licensed +1
✗ No auto-updates +0
✓ Not deprecated +1
✗ New (<1yr) +0
✗ Low installs +0
Review
Aug 5, 2026KOReader is a powerful, open-source document viewer optimized for e-ink devices, supporting a wide range of formats and offering extensive customization options. It is particularly beneficial for users who prioritize flexibility, customization, and community-driven features in their reading experience.
KOReader is a document viewer designed for e-ink devices, supporting formats like PDF, DjVu, EPUB, and FB2.
Maturity: The project is highly active and mature, with strong community support and regular updates.
Community: KOReader has generated significant interest on Hacker News, with notable mentions and discussions among users. Reddit has not discussed the app yet.
Pros
- + Supports multiple document formats and e-ink devices
- + Actively maintained with a large, engaged community
- + Highly customizable with plugin support
Cons
- - No auto-update feature
- - Lack of discussion on Reddit
Community Mentions
hackernews
Jul 2026 KOReader
hackernews
Dec 2025 Publishing KOReader Highlights
hackernews
hackernews
Mar 2025 KOReader: Open-Source eBook Reader
hackernews
Positive sentiment Negative sentiment Neutral / unknown