NAVER Mail

Discord - Talk, Play, Hang Out

Snapchat

Text Free: Second Phone Number

Messenger

Firefox Fast & Private Browser

Skype

Threema. The Secure Messenger

Nextplus: Phone # Text + Call

Pulse SMS (Phone/Tablet/Web)

Google Meet

GroupMe

WhatsApp Messenger

TextMe Up Calling & Texts

Telegram

Signal Private Messenger

Google Voice

Phoner: Second Phone Number

Microsoft Edge

Marco Polo - Video Messenger

Smart Messages

Element Classic

Messenger Kids – The Messaging

Robokiller - Spam Call Blocker

Phone Call App & WiFi Call Any