Document Viewer

A highly customizable viewer for PDF, DjVu, XPS, cbz, fb2 for Android.GPL-3.0-only

MuPDF mini

Minimalist viewer for PDF, XPS, CBZ, unprotected EPUB, and FB2 documentsAGPL-3.0-or-later

Orion Viewer - Pdf & Djvu

Orion Viewer is pdf, djvu, xps, tiff and comic books (cbr, cbz, cbt) file viewerGPL-3.0-or-later

KOReader

Ebook readerAGPL-3.0-only

Kotatsu

Manga reader with online cataloguesGPL-3.0-or-later

Komelia

Komga media clientApache-2.0

Chaka Book Reader

Committed to improving reading experienceAGPL-3.0-or-later

MuPDF viewer

Lightweight document viewerAGPL-3.0-or-later

Seeneva: smart comic reader

Fully open source smart comic book reader with the ability to use OCR and TTS.GPL-3.0-or-later

Comics Reader

Comic and image viewerGPL-3.0-only

Librera Reader

Book and PDF readerGPL-3.0-or-later

Amaze File Utilities

Analyse, transfer and open files all in one app.GPL-3.0-or-later