← All apps

Communication apps

Messaging, email and calls.

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Glider for Hacker News

Glider is an opinionated Hacker News client. Ad-free, open-source, no-nonsense.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Gridlink Mail

A fast, private JMAP and IMAP email client. No ads, no tracking, no Google.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Guerrilla Mail

Quickly receive anonymous and temporary mails.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Hacki for Hacker News

An open-source Hacker News client.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
H
HN

Read and comment on tech news
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Holywarsoo

Lightweight Holywarsoo forum browsing app
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
IM2SMS

A simple app to import IM chat histories into Android’s SMS storage.
- Communication
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid Zapstore
Inbox Pager

Read and write e-mails
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Infomaniak kMeet

Free and secure videoconferencing solution
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Infomaniak Mail

The secure messaging service for your emails
- Communication
- FOSS
- Free
- No ads
- Android only
Google Play Aurora Store F-Droid Zapstore
Jerboa for Lemmy

An app for Lemmy, a federated reddit alternative.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Kiosk

A Hacker News reader for Android.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Koler

uniquely stylized phone app with customizable features
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Kryfo

private messages over tor. no phone number, no account, no metadata trail.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Nostr
- Android only
F-Droid GitHub Zapstore
Kryptos

Encrypt inside any messenger: the keyboard encrypts, the screen decrypts
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
la/u/ncher

The official app for danger/u/, dangeru.us
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Linphone - open source SIP client

SIP (VOIP) phone
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Logger

Track, Analyze, and Manage Your Calls
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Ltt.rs

Simple and maintainable Android e-mail client
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
MA Contacts

An open-source, fully-functional contacts app.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MA Email

A modern, open-source email client with a unified inbox
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
mail

is a secure and open source e-mail client
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Materialistic Nouveau

Material design Hacker News client for Android
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Meron

Mail app that sparks joy
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Meshenger

Voice- and video phone App for off-the-grid scenarios.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Messages

Simple, private SMS messaging. Offline-first, no ads, no tracking.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Messages

A fast messaging app designed to make conversations simple and effortless
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
motd

Native IRC client with a modern chat interface
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
MsgGo

Open source, lightweight, and modern bulk SMS tool for Android.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Nextcloud SMS

Synchronize your SMS messages with ownCloud
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
NGA客户端开源版

NGA client
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Night Drop

Anonymous, end-to-end encrypted 1:1 chat over Tor
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Nora

SNS browser. Facebook, Instagram, Reddit, Threads, X and more in a single app.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Notifications for FB

Privacy-friendly Facebook notifications app.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
NovaDial

Unlock a secure, open-source calling experience with NovaDialer
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
occm

A Mastodon client built specifically for the occm server
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Olvid

Private messaging for everyone
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
OPEN NGA

Third-party client for bbs.nga.cn
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Overchan (fork)

Browse multiple imageboards
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Peace of Mind+

A flight-mode timer
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
Phone (cz.mts)

Phone app (calling, blocking, contacts) that you’ll love !
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
pOT-Droid

Companion app for mods.de forum
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Priority Alerts

Informs you when receiving SMS matches with configured keywords
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Privacy Cell

Verify that a phone is using the most secure cell protocols.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
ProximitySensorFix

simple fix for during call proximity sensor issues
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
Quicall

Secure messaging with chat, voice and video calls.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
QUIK SMS

Open source replacement to the stock SMS app on Android. A revival of QKSMS.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Raccoon for Lemmy

Mobile client for Lemmy, a federated aggregation and discussion platform.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore