Kiwix is a free open source app for offline viewing and searching of Wikipedia, Gutenberg, StackExchange etc. It lets you use and distribute physical copies of websites entirely offline.

You can follow at:

➡️ @kiwix

The app is available for Linux, Mac, Windows, Android and iPhone/iPad from kiwix.org

Cryptomator is a free open app that lets you add an end-to-end encrypted folder to your existing cloud service. You can follow at:

➡️ @cryptomator

Cryptomator works with popular cloud services such as @nextcloud, DropBox, Google Drive, One Drive, iCloud etc.

The app is for Linux, Mac, Windows, Android and iPhone/iPad from cryptomator.org

Exodus Privacy is a website that lets you find out how privacy-friendly different Android apps are. You can follow at:

➡️ @exodus

The site is at exodus-privacy.eu.org

The account posts in English and French.

DarkTable is a free open source photography app, which lets you organise, view and develop raw image files. (It's like a Libre alternative to Adobe LightRoom)

You can follow at:

➡️ @darktable

It's available for Linux, Mac, Windows and BSD from darktable.org

Tenacity is a free open privacy-friendly audio editing and recording app, forked from Audacity. You can follow at:

➡️ @tenacity

The project's website is at tenacityaudio.org

It's based on Audacity, but with the controversial stuff removed. The project is new, and contributors are welcome.

(If you're wondering why people are leaving Audacity: techradar.com/news/audacity-fa )

Toot! is an unofficial Mastodon app for iPhone and iPad, featuring a whimsical interface and many easter eggs. You can follow at:

➡️ @tootapp

It's available from the Apple App Store at apps.apple.com/app/toot/id1229

Flameshot is a free open source screenshot app for Linux, Mac and Windows. You can follow at:

➡️ @flameshot

The website is at flameshot.org

Flameshot does more than just capture the screen, it also includes editing tools and upload features.

AntennaPod is a free open source podcast player for Android devices. You can follow their official account at:

➡️ @AntennaPod

The app lets you listen to podcasts, keep track of episodes and manage your podcast subscriptions through open standards like RSS links.

It's available from @fdroidorg and Google Play.

You can find out more on their website at antennapod.org

K-9 Mail is one of the most popular free open source e-mail apps for Android devices. You can follow their official account at:

➡️ @k9mail

Their website is at k9mail.app

It's available to download from @fdroidorg, Google Play and Amazon App Store.

(You can also download the app and source from the git at github.com/k9mail/k-9)

PixelDroid is a FOSS app for using PixelFed (the Fediverse's alternative to Instagram). You can follow PixelDroid at:

➡️ @PixelDroid

The official site is at pixeldroid.org

PixelDroid has just been released on F-Droid at f-droid.org/packages/org.pixel

You can find out more about PixelFed from its site at pixelfed.org

You can join a PixelFed instance at pixelfed.org/join

Better is a tracker-blocking and ad-blocking app for iPhone, iPad and Mac. You can follow at:

➡️ @better

The app's website is at better.fyi

The app is available via the App Store, purchasing supports its development.

(The app and its related services are FOSS, source is available via the website.)

Dino is a free open source XMPP/Jabber messaging app for Linux and BSD desktop computers. You can follow at:

➡️ @dino

The official site is at dino.im

Dino supports end-to-end encrypted messaging through OMEMO, and they are now testing encrypted video calls too.

Joplin is a free open source notes & to-do app that can be synced online. You can follow at:

➡️ @joplinapp

It's available for Android, iPhone, iPad, Linux, Mac and Windows, you can download it from the official site at joplinapp.org

It can be synced with @nextcloud, Dropbox, WebDAV and OneDrive.

Carnet is a free open source alternative to Google Keep. It's a note-taking app that can be synced online. You can follow at:

➡️ @Carnet

As well as rich text notes, you can also store images, sound files and to-do lists.

It's available for Android (through @fdroidorg and Google Play) and for @nextcloud

You can find out more at getcarnet.app

Manyverse is a social network without servers. Friends communicate peer-to-peer, personal data is stored locally. You can follow at:

➡️ @manyver_se

The official site is at manyver.se

It's part of the Scuttlebutt network, but has a user-friendly interface & branding that is aimed at a general audience.

Manyverse is on Android and iOS, desktop users can use Scuttlebutt's apps.

Wallabag is a FOSS privacy-friendly alternative to Pocket, it lets you save articles for reading later. You can follow at:

➡️ @wallabag

The official website is at wallabag.org

There are apps for smartphones (iOS, Android), web browsers (Firefox, Chrome, Opera) and eReaders (Kobo, Kindle, PocketBook).

You can self-host the article storage system free, or use the paid flagship instance at wallabag.it

Metatext is a new Mastodon app for iPhone and iPad. You can follow the developers Metabolist at:

➡️ @metabolist

Metatext is FOSS and has just been released on the App Store:

apps.apple.com/app/metatext/id

You can find out more from the official developers' site at metabolist.org

F-Droid is a free open source app store for Android devices which only includes privacy-friendly FOSS apps. You can follow at:

➡️ @fdroidorg

The F-Droid app store can be installed from the official site at f-droid.org

Google Play has been removing Fediverse apps recently, seemingly without explanation. It is really important that we have independent and accountable alternatives like F-Droid.

Tigase is a private company which develops free open software for instant messaging through XMPP/Jabber. You can follow them at:

➡️ @tigase

They have a number of XMPP projects including server software and apps for MacOS (Beagle), iOS (Siskin) and Android (Stork).

Their website is at tigase.net

Monal IM is a FOSS XMPP/Jabber messenger app for iPhone, iPad and Mac, you can follow it here:

➡️ @Monal

You can find out more from the official site at monal.im

Monal is available from the Apple App Store and it supports OMEMO end-to-end encryption.

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