Communication
Large selection of free and FOSS Android apps and games with verified security and privacy protection.
Open Source Communication Apps: Page 7
Communication for Android

Reply Radar helps you keep track of the people you still need to reply to. No more forgotten messages — stay organized and in control.
⬇2+

Encrypted p2p team chat with no servers build on Tor, alternative to Slack and Discord
⬇1+

Encrypts plain text using AES256
⬇0+

Import your CSV contacts from a desktop client without any cloud syncing.
⬇0+

Read and write e-mails
⬇0+
Control your device by sending text messages
⬇0+

P2P Chat Application
⬇0+

A peer to peer private anonymous and secure messenger that works over Tor.
⬇0+
Share messages via NFC tags
⬇0+
Offline text encryption—fast, local, no trackers.
⬇0+

Secure messenger for Matrix based on Element
⬇0+

Simple and minimalistic email app
⬇0+

Redirect outgoing calls to Signal/Telegram/Threema/Whatsapp
⬇0+

3rd party client of Telegram
⬇0+

Chat comfortably. Everywhere. REQUIRES A QUASSEL CORE
⬇0+

Hide a secret message in text
⬇0+

Scroll through all your Telegram channels in one timeline
⬇0+

Yet Another Conversations fork but...
⬇0+

Take encrypted photos and video to protect sensitive information.
⬇0+

Talk to other devices on your LAN
⬇0+

A geeky and efficient [matrix] client for power users
⬇0+

Next-generation SchildiChat Matrix messenger based on Element X (Preview)
⬇0+
All news and communication channels of the LfDI BW in one place.
⬇0+

Automatically store your contacts to your SD card
★5.0 ⬇0+

A user-friendly messenger for everyone with a focus on privacy and freedom!
⬇0+
Block unwanted calls, spam and telemarketing
⬇0+

Encrypted, easy-to-use XMPP instant messenger for your mobile device
⬇0+

ToLoShare Location Share via Tox
⬇0+