Internet

Traintime PDA

Another personal data assistant for XDU undergraduate.

SkyTube Legacy

An open source YouTube client for legacy devices

twitter2nitter

Redirect twitter to nitter by sharing url/text

Databag

A federated chat client designed for privacy and selfhosting.

Stealth

Stealth is an account-free, privacy-oriented, and feature-rich Reddit client.

TrackerControl

TrackerControl allows to monitor and control hidden data collection in apps.

Passy - cross-platform password manager

Offline password manager with cross-platform synchronization

Syncthing

Open, trustworthy and decentralized file synchronization

NewPipe

Lightweight YouTube frontend

Mullvad VPN: privacy is a universal right

Protect your online privacy with a fast, trustworthy, and easy-to-use VPN.

SchildiChat

Secure messenger for Matrix with a traditional instant messaging experience

AndroDNS

DNS client

Seafile

File synchronization

Toadua

The collaborative Toaq dictionary

Geekttrss

A Tiny Tiny RSS reader with transparent offline mode

Tinc App

Android binding and user interface for the tinc mesh VPN daemon

OONI Probe

Open Observatory of Network Interference (OONI)

Filester

A simple file uploader

RedReader

Client for reddit.com

Geddit

An open-source, Reddit client for Android without using their API

Element - Secure Messenger

Group messenger - encrypted messaging, group chat and video calls

Nextcloud Tables

Companion app for Nextcloud Tables

Pix-EzViewer

A third-party Pixiv Android client. (Android 5.0+)

Syncthing-Fork

Wrapper for Syncthing - Open and decentralized file synchronization

Dokuwiki Android

Access in local to your dokuwiki

AndStatus

Multiple accounts client for multiple social networks

FediPhoto-Lineage

FediPhoto-Lineage - quickly post photos to the Fediverse.

EteSync - Secure Data Sync

Secure, private and end-to-end encrypted calendar, contacts and tasks sync

Candle

Real-time stock market watcher.

Based Cooking

Simple, ad free, open source recipe app.