OpenAltFinder

Open Source Ebook & Comic Readers Projects

Applications for reading, organizing, and streaming digital books, comics, and manga.

BookOrbit

BookOrbit

Self-hosted library and reading platform for ebooks, audiobooks, PDFs, and comics with built-in web readers and Kobo/KOReader sync.

Alternative to:
AudibleAudible
BookWyrm

BookWyrm

Federated, self-hostable social network for readers — book shelves, reviews, and reading status, decentralized via ActivityPub.

Alternative to:
GoodreadsGoodreads
Bookshelf

Bookshelf

A self-hosted ebook library that runs on Cloudflare R2 or a local Node server, with in-browser EPUB and PDF readers and per-profile reading positions.

Alternative to:
KindleKindle
Grimmory

Grimmory

Self-hosted library for ebooks, comics, and audiobooks with built-in readers, metadata lookup, and Kobo and OPDS sync.

Alternative to:
UbooquityUbooquity
Kavita

Kavita

Self-hosted reading server for manga, comics, and ebooks with responsive web readers, smart filters, and an OPDS feed.

Alternative to:
UbooquityUbooquity
Koodo Reader

Koodo Reader

Cross-platform ebook reader supporting PDF, EPUB, MOBI, comics and more, with sync across Windows, macOS, Linux, Android, iOS, and Web.

Alternative to:
Adobe AcrobatAdobe Acrobat
Kumiho

Kumiho

A self-hosted, lightweight web media server for streaming your personal comics, manga, ebooks, and audiobooks.

Alternative to:
ComiXology
SumatraPDF

SumatraPDF

Lightweight, free PDF, eBook, and comic reader for Windows that launches instantly and stays out of the way; multi-format support with minimal interface.

Alternative to:
Adobe AcrobatAdobe Acrobat
Tome

Tome

A self-hosted book tracker powered by your Calibre library — Goodreads for your own collection.

Alternative to:
GoodreadsGoodreads
openreads

openreads

Privacy-respecting mobile book tracker for iOS and Android, built with Flutter — your library lives on your device.

Alternative to:
GoodreadsGoodreads