Codex is a web-based comic archive browser and reader.
Codex can also run as a natively installed Python application.
This is free and open source software.
Features include:
- Full text search of metadata and bookmarks.
- Filter and sort on all comic metadata and unread status per user.
- Browse a tree of Publishers, Imprints, Series, Volumes, or your own folder hierarchy, or by tagged Story Arc.
- Read comics in a variety of aspect ratios and directions that fit your screen.
- Watches the filesystem and automatically imports new or changed comics.
- Anonymous browsing and reading or registered users only, to your preference.
- Per user bookmarking and settings, even before you make an account.
- Private libraries accessible only to certain groups of users.
- Reads CBZ, CBR, CBT, and PDF formats.
- Syndication with OPDS 1 and 2, streaming, search and authentication.
- Add custom covers to Folders, Publishers, Imprints, Series, and Story Arcs.
- Runs in 1GB of RAM, faster with more.
Website: github.com/ajslater/codex
Support:
Developer: AJ Slater
License: GNU General Public License v3.0

Codex is written in Python. Learn Python with our recommended free books and free tutorials.
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| ComiGo | Browser-based reader focused on speed and simplicity |
Read our verdict in the software roundup.
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I recently installed this via Docker after getting my homelab set up earlier this year and I absolutely love Codex. It’s nice to not have to manage different apps on different platforms (i.e. ComicRack on Windows, Perfect Reader on Android, etc.) and just have my reading progress synced on whatever device I’m on.
Really easy to set up and does most everything I could want from just a reader. Strongly recommend if you’re interested in anywhere-access to comic files.