ドコモメールアプリ

telegram

Smart Messages

Phoner 2nd Phone Number + Text

Google Voice

whatsapp

Pulse SMS (Phone/Tablet/Web)

Marco Polo - Video Messenger

Firefox Fast & Private Browser

Element - Secure Messenger

signal

Google Meet

Messenger Kids – The Messaging

Skype

TextMe Up Calling & Texts

GroupMe

Microsoft Edge: AI browser

Snapchat

Discord: Talk, Chat & Hang Out

Robokiller - Spam Call Blocker

Text Free: Call & Texting App

Messenger

Phone Call App & WiFi Call Any

Nextplus: Phone # Text + Call

Threema. The Secure Messenger