ComicTagger vs Mylar3
A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ComicTagger | Mylar3 |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 63 · Good | 60 · Good |
| Category | E-books & Media Library | E-books & Media Library |
| License | Apache-2.0 | GPL-3.0 |
| Language | Python | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | bare-metal, binary | docker, bare-metal |
| GitHub stars | ★ 835 | ★ 1,461 |
| First released | 2012 | 2018 |
| Replaces | ComiXology | ComiXology |
What are ComicTagger and Mylar3?
ComicTagger
ComicTagger is a cross-platform application and command-line tool for editing metadata in comic book archive files. It can automatically match issues against ComicVine and write ComicInfo tags for use in comic readers.
- Comic archive metadata editing
- ComicVine matching
- ComicInfo tag writing
- GUI and CLI modes
Mylar3
Mylar3 is an automated comic book downloader and manager for tracking series and grabbing new issues. It maintains a metadata-rich library that pairs well with comic readers like Komga and Kavita.
- Automated comic downloading
- Series tracking
- ComicVine metadata
- Library organization
ComicTagger vs Mylar3: key differences
Both projects are written in Python. Licensing differs — Apache-2.0 for ComicTagger versus GPL-3.0 for Mylar3. ComicTagger is the lighter option, starting around 256 MB of RAM against 512 MB for Mylar3. ComicTagger is the more established project (first released 2012), while Mylar3 arrived in 2018. Mylar3 lists first-class Docker deployment; ComicTagger does not.
Why pick each one
Choose ComicTagger if…
- Reliable metadata tagging
- Works with major readers
Watch out for
- Tagging utility only
- No library serving
Choose Mylar3 if…
- Strong comic automation
- Good metadata handling
Watch out for
- Configuration is involved
- Depends on external sources
Frequently asked questions
Is ComicTagger or Mylar3 better?
Neither is universally better. Mylar3 has the larger community, while ComicTagger is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are ComicTagger and Mylar3 free and open-source?
Yes. ComicTagger is licensed under Apache-2.0 and Mylar3 under GPL-3.0. Both can be self-hosted at no software cost.
Can I run ComicTagger and Mylar3 with Docker?
ComicTagger: check the project docs for container support. Mylar3: yes.
Which is lighter on resources, ComicTagger or Mylar3?
ComicTagger has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Mylar3. Real-world usage depends on library size, user count, and enabled features.