Calibre vs Transmission

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureCalibreTransmission
CategoryE-books & Media LibraryMedia Servers
LicenseGPL-3.0GPL-3.0
LanguagePythonC++
Setup difficultyEasyMedium
Min. RAM512 MB50 MB
Deploymentdocker, bare-metal, binarybare-metal
GitHub stars★ 25,578★ 15,047
First released20062023
ReplacesKindle, Apple BooksµTorrent

Why pick each one

Choose Calibre if…

  • Industry-standard ebook tool
  • Huge feature set
Calibre details

Choose Transmission if…

  • Released under the GPL-3.0 license
  • Mature project with 15k GitHub stars
  • Written in C++
  • Tiny footprint — runs in 50 MB RAM
Transmission details

Frequently asked questions

Is Calibre or Transmission better?

Calibre is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Transmission if its specific feature set fits your needs better.

Are Calibre and Transmission free and open-source?

Yes. Calibre is licensed under GPL-3.0 and Transmission under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Calibre and Transmission with Docker?

Calibre: yes. Transmission: check the project docs for container support.

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