E Foundation / Murena

The E Foundation develops and maintains a free open source privacy-friendly de-Googled version of Android, which you can either install yourself on your existing phone or buy pre-installed on a new phone. They sell pre-installed phones through the Murena brand, all of which are manufactured by established companies like Fairphone, Samsung etc.

Fediverse address (E Foundation):

Fediverse address (Murena):


Free open source podcast player for Android devices. The app lets you listen to podcasts, keep track of episodes and manage your podcast subscriptions through open standards like RSS.

Fediverse account:

Topio e.V.

German non-profit organisation which helps ordinary people “de-Google” their phones by installing privacy-friendly operating systems. They run events to help with this including workshops, exhibitions, lectures etc.

Fediverse address (main account, in German):

Fediverse address (photos, in German):

Fediverse address (events, in German):

K-9 Mail

Very popular free open source e-mail app for Android. It is due to become the official Thunderbird app for Android devices.

Fediverse address:


Independent manufacturer of smartphones that are as ethical as possible. There are fair wages and fair working conditions all the way down the supply chain including the raw materials, the phones are modular so users can replace or upgrade parts themselves, recycled materials are used as far as possible, the phones are supported for as long as possible, and there’s support for de-Googled versions of Android.

Fediverse address (community account):