Send With FTP

Upload files via FTPGPL-3.0-only

FTP Server (Free)

Access your phone wirelesslyGPL-3.0-only

Primitive FTPd

FTP serverApache-2.0

FTPClient

A simple FTP, FTPS and SFTP client for AndroidMIT

Meditation Assistant

Feature packed meditation session timer and recorderGPL-3.0-only

Aria2App (open source)

An advanced download manager and aria2 client for your pocket.GPL-3.0-only

Amaze

An open-source file manager following the Material Design guidelinesGPL-3.0-or-later

Squircle CE - Code Editor

Fast and powerful code editor & file manager for over 30 programming languagesApache-2.0

Material Files

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

SyncTool

Synchronize data between a smartphone and a serverLGPL-3.0-or-later

CIFS Documents Provider

Provides access to shared network storage.MIT

Acode editor - Android code editor

A lightweight but powerful text/code editor.MIT

NOVA Video Player

Video player for local/network content with subtitle/metadata download supportApache-2.0

Round Sync - Rclone for Android

A file manager for Android, using rclone for the heavy lifting.GPL-3.0-only

RCX - Rclone for Android

A file manager for Android, using rclone for the heavy lifting.GPL-3.0-only

Ghost Commander

Dual-panel file managerGPL-3.0-only

KOReader

Ebook readerAGPL-3.0-only

GPSLogger

A lightweight GPS logger, battery efficient, GPX/KML, add notes, share, upload.GPL-2.0-only