Communication
Large selection of free and FOSS Android apps and games with verified security and privacy protection.
Updated Communication Apps: Page 4
Communication for Android

Read and write e-mails
⬇0+

Share personal information with others visually in-person.
⬇16+

discover devices on WLAN (w/ Bonjour) and place video calls between devices
⬇2 K+

Remove tracking from URLs, expand short links & protect privacy
⬇1 K+

Privacy-focused URL redirects to alternative frontends.
⬇1 K+

Decentralized peer-to-peer secure messaging connecting via Bluetooth, Wi-Fi or Tor.
⬇59 K+

Secure messenger for Matrix with a traditional instant messaging experience
⬇25 K+

Chat on the Jabber network (XMPP protocol); focus on features for gateway users
⬇34 K+

Encrypts plain text using AES256
⬇0+

Clean & intuitive Phone Dialer app following Material Design principles.
⬇7 K+

Voice chat on Mumble servers
⬇19 K+

Make calls, view call log
⬇9 K+

Simple and minimalistic email app
⬇0+

Send notifications to your phone from any script using PUT/POST requests
⬇156 K+

Secure, private and end-to-end encrypted calendar, contacts and tasks sync
⬇2 K+

一款功能强大的批量短信发送工具。
⬇3 K+

WebView wrapper for Mistral Le Chat with URL blocking and privacy features
⬇1 K+

Encrypted audio logging app
⬇388+

Secure Android email with IMAP/SMTP and inline OpenPGP encryption.
⬇90+

Share images on your device with others through your self-hosted linx server
⬇125+

view and export call logs in CSV format
⬇12 K+

Communicate with online services using SMS messaging
⬇807+
Start a WhatsApp, Signal or Telegram chat without saving a number as a contact
⬇7 K+
Snikket is an easy-to-use and privacy-friendly messaging app
⬇5 K+

A fast messaging app designed to make conversations simple and effortless
⬇397+

Stream video/audio between two phones. Zero configuration.
⬇17 K+
A different database for contacts to keep them private only to you.
⬇13 K+
An IRC client for mobile devices
⬇2 K+

ToLoShare Location Share via Tox
⬇0+
Free and secure videoconferencing solution
⬇1 K+