WP Poczta

Phoner: Second Phone Number

Text Free: Second Phone Number

Threema. The Secure Messenger

Skype

Discord - Talk, Play, Hang Out

Marco Polo - Video Messenger

TextMe Up Calling & Texts

Element Classic

WhatsApp Messenger

Firefox Fast & Private Browser

Phone Call App & WiFi Call Any

Pulse SMS (Phone/Tablet/Web)

Signal Private Messenger

Snapchat

Microsoft Edge

Nextplus: Phone # Text + Call

Messenger Kids – The Messaging

Messenger

Google Meet

Smart Messages

Telegram

Robokiller - Spam Call Blocker

Google Voice

GroupMe