Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.

It is hard to switch another email address because all your contacts and accounts are linked to it. Luckily Proton Mail has a function called 'easy switch'. With this you can recieve emails from your old email address. This makes the switch easy.

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

From Proton but also usable for other email services, generous free plan of 10 aliases. You can also use Proton Pass which integrates those 10 free aliases.

Open-source anonymous email forwarding, create unlimited email aliases for free.

Guerrilla Mail gives you a disposable email address. You can give your email address to whomever you don't trust. You can read the email using Guerrilla Mail, click on any confirmation link, and even reply.

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

Suspiciously it is not open-source. If that is a concern for you, look for Tuta.

🎉 A beautiful Kotlin app to remember birthdays and events without having to open Facebook, set alarms or rely on Google Calendar.

LibreOffice is the best free office suite on the desktop, and is now available on Android as a native application. The software is backed by a dynamic community, represented by The Document Foundation, a not for profit entity based in Germany.

SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.

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

Briar is an open source project not legally incorporated in any jurisdiction, although it has received funding from European initiatives like NGI and the NLnet Foundation, and includes many Europeans in their voluntary board and team. Source: privacyguides.org

Pixel Wheels is a top-down racing game for PC (Linux, macOS, Windows) and Android.

Luanti is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.

Navigation app with offline and online OSM maps, turn-by-turn voice guidance, cycling and driving modes, GPX tracking, POI search, and monthly updates.

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

OpenTracks is a sport tracking application that completely respects your privacy.

This one saves your passwords in the cloud so you can access them on all your devices.

This one saves your passwords locally as an encrypted database for your Android device. Make sure you back them up! It is more technical than a cloud-based one. This is a fork of KeePass which is free to use, so if you want to export your passwords to another device you have to look for the compatible version of KeePass.

This one is cloud-based that also works offline. It will work on all of your devices.

This one is locally on your device and is only available for an Android device.

It can block ads, trackers, malware, adult, gambling and social media. You can choose which one of these to block by checking the DNS specifications on their website.

It is very good at blocking but isn't customisable. So no ad-blocker for example.

Not the best dns from my experience but the kids version is very suggestable for children to keep them safe on the internet. Before this I very much suggested dns0.eu but they discontinued the project. :(

The best free option from a company that is well trusted. The free version doesn't let you chose the country to proxy and you have to pay for choosing a custom DNS. This VPN is in my opinion meant for hiding your IP-address if needed.

NetGuard provides simple and advanced ways to block access to the internet - no root required.

This is a browser based on Gecko which means it looks like Firefox. They say that they are privacy focussed. However they are owned by System1 (like Startpage). For the best security and privacy on an Android you should look at a Chromium based browsers which has NO Google implementations. Important: for security, I wouldn't suggest this browser. They are a fork of Firefox which isn't the best on mobile and Waterfox is even later with security updates.

This is a great alternative to uBlock Origin. To get the best out of it you have to pay.

The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank).

Not the most private search enginge but better than google and they plant trees!

A complete search engine with a focus on privacy. :-) Note that they are partially owned by an american, advertising company: System1. :-(

Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.