Material Files

Open source Material Design file managerGPL-3.0-or-later

DbCleaner for Whatsapp

Remove Whatsapp database files from external storageGPL-3.0-only

RandomFileMaker

Make random files with SecureRandom. For KeePass keyfile, shredding disk, etcGPL-3.0-or-later

Xournal++ viewer

This app is capable of opening and displaying .xopp files on Android.GPL-3.0-only

Secure File Manager Beta

File manager for keeping your files in safeGPL-3.0-or-later

Sharing

Share files and apps via browser with a solution to apps with multiple APK filesAGPL-3.0-only

ShareX

Share files across any platform in hassle-free way with fast speed!AGPL-3.0-only

WhatsAppCleaner

Cleaner for WhatsApp - Clean Redundant Media and Files from StorageGPL-3.0-or-later

Json List

previewing JSON files in a user-friendly list formatMIT

Markdown Widget

Display markdown files as widgets on the home screenGPL-3.0-only

TorrServe

Download torrent filesGPL-3.0-only

Custom Uploader

Upload files to a file host of your choiceMIT

Library

Przeglądarka plików BibTeXGPL-3.0-only

Voice Mail Player

Play media files through phone's ear-pieceGPL-3.0-only

Droidgain

Normalizator dla plików audioGPL-3.0-only

Send With FTP

Przesyłanie plików przez FTPGPL-3.0-only

Destiny

Send files with end-to-end encryption without revealing your identityMIT

Amaze File Utilities

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

PDF Converter

Twórz pliki PDFGPL-3.0-or-later

Audio Recorder

Nagrywanie plików audioGPL-3.0-only