2 Open Source Alternatives to Calibre

Q: What are the best open-source alternatives to Calibre?

The top open-source alternatives to Calibre include Koodo Reader, Audiblez. All are free and actively maintained.

Looking for an open-source alternative to Calibre? Below are 2 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.

26.5k

Koodo Reader

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS, and Web platforms.

⚡ Productivity🛠️ Tools📱 Mobile🌐 Web

5.9k

Audiblez

Audiblez is a tool to generate high-quality audiobooks from e-books, allowing users to enjoy their favorite books audibly.

🛠️ Tools👨‍💻 Development🔨 Utils

Frequently asked questions

What are the best open-source alternatives to Calibre?

The top picks from this list are Koodo Reader, Audiblez — all maintained, free to use, and self-hostable.

Are these alternatives to Calibre free?

Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.

Can I self-host an alternative to Calibre?

Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.

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