1&1 Mail

Google Meet

Smart Messages

Nextplus: Phone # Text + Call

Skype

Element Classic

WhatsApp Messenger

Marco Polo - Video Messenger

Firefox Fast & Private Browser

Signal Private Messenger

Google Voice

Telegram

Robokiller - Spam Call Blocker

Microsoft Edge

Phone Call App & WiFi Call Any

TextMe Up Calling & Texts

Discord - Talk, Play, Hang Out

Messenger

Snapchat

Phoner: Second Phone Number

Threema. The Secure Messenger

Pulse SMS (Phone/Tablet/Web)

Messenger Kids – The Messaging

GroupMe

Text Free: Second Phone Number