Software · Photo & graphics

Cosmic Comics

Read Comics, Manga and Ebooks the easy way.

Completely free
Linux
Open source

Ad-supported exit link (Clictune): an intermediate page may show for a few seconds before the official website. Direct link to the website, no intermediate page

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub
License: GPL-3.0 — Open source (copyleft)confirmed by Flathub
Open source: Yes
Commercial use: Yesconfirmed by Official plan pages (pricing, licence, terms), Flathub
Account required: not documented
Credit card required: Noconfirmed by Flathub
Watermark: not documented
Ads: not documented
Platforms: LinuxEstablished by Linux: Flathub
Publisher: Nytuo (Arnaud BEUX)
Latest version: 3.0.1 (13 September 2026)
Latest activity: 13 September 2026
Source code: github.com/Nytuo/CosmicComics

Overview

File formats mentioned: PDF, EPUB, CBZ, CBR, PNG, JPEG, ZIP, 7Z and RAR.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

At a glance

Cosmic Comics is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Cosmic Comics offers a user-friendly interface that makes it easy to browse the collection of comics, manga and ebooks. It supports different file formats, offers adaptive page layout, favorite page marking, advanced search and library management. What Cosmic Comics can do: Read a wide range of formats: CBR, CBZ, CB7, CBT, ZIP, RAR, 7z and TAR archives, PDF and EPUB documents, and folders of PNG, JPG, JPEG or BMP images Browse your collection by series and books, with covers fetched from APIs, extracted from files or set manually Track your reading progress: mark books as read, unread or reading, add them to favorites and rate them Powerful viewer options: zoom, auto background color, double page mode, blank first page, manga mode, webtoon mode, fullscreen, rotations, bookmarks, slideshow, sidebar and magnifier Rich metadata about your comics, manga and ebooks Downloaders for Marvel Unlimited, MangaDex, DC Infinite, Viz and GetComics (some require a subscription) Library metadata from Google Books, AniList, Metron, Open Library or manual entry Continue reading right where you left off

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 9 November 2026
Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 8 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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