APV PDF Viewer

PDF viewerGPL-3.0-only

PDF Reader

View PDF filesGPL-3.0-only

PDF Converter

Create PDF filesGPL-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

Document Viewer

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

PDF Wallet

Simple PDF Wallet for your most important PDFsGPL-3.0-only

Librera Reader

Book and PDF readerGPL-3.0-or-later

MuPDF mini

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

ePUBator

Offline PDF to ePUB convertorGPL-3.0-only

SaveTo…

Save shared image or pdf to selected directoryCDDL-1.0

KOReader

Ebook readerAGPL-3.0-only

Atomize

PNG image compression with notably file size shrinkingGPL-3.0-only

Obsqr

The most lightweight QR code readerMIT

Working Time Account

Record working hours, generate and send reports (PDF, CSV and ICS)GPL-3.0-or-later

Web2PDF

Convert any web page at your fingertipsMIT

Diaguard: Diabetes Diary

Diabetes diary and food databaseGPL-3.0-or-later

SiYuan

A privacy-first, self-hosted knowledge management appAGPL-3.0-only

Blood pressure monitor

Save, analyze and export your blood pressure!MIT

Com-Phone Story Maker

Create, tell, share and enjoy multimedia digital storiesLGPL-3.0-only

Chaka Book Reader

Dedicated to book reading experienceAGPL-3.0-or-later