OpenAPK Software

Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.

Lightweight and open-source app for YouTube, PeerTube, SoundCloud, and more. No Google Account needed, supports 4K and background audio streaming with downloads.

Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations.

Swiss-based VPN that ensures online privacy with a high-speed network, advanced encryption, and no-logs policy, offering a free version. Supports multiple platforms and unblocks content worldwide.

Aurora Store enables you to search and download apps from the official Google Play store. You can check app descriptions, screenshots, updates, reviews, and download the APK directly from Google Play to your device.

Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.

Privacy-focused GPS app with offline maps and community development, featuring real-time navigation, no location tracking, and open-source software.

A password manager that ensures identity and password security with rigorous, end-to-end encryption, built by scientists from CERN, and recommended by the United Nations.

Obtainium allows you to install and update Open-Source Apps directly from their releases pages, and receive notifications when new releases are made available.

Clutterfree F-Droid client.

K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

Breezy Weather is a weather app with a strong focus on design, with a simple, clean UX, smooth animations, and Material Design all over, plus lots of customizability.

Video/Audio Downloader for Android.

Organize events with encrypted privacy, zero-knowledge and no tracking. Features include multi-device sync, multiple views, and offline support.

DuckDuckGo Privacy Browser is designed to help users control their personal data while browsing the internet. The browser provides privacy essentials that give users control over their data during web searches.

Free open-source client for Android offering YouTube Music streaming, background playback, offline caching, account sync, live lyrics, playlist management.

Privacy-focused, open-source email app offering encryption, unlimited accounts, customizable features, unified inbox, and low data usage.

Shizuku is a utility tool that provides elevated privileges to apps using the Android Debug Bridge (ADB) interface, eliminating the need for full device rooting. It allows users to activate advanced features in compatible apps without compromising their phone's operating...

Aniyomi is an unofficial fork of the free and open source manga reader Tachiyomi that adds anime capabilities! For Android 6.0 and above.