楽天でんわ　-番号そのままで通話料がお得-

Google Meet

telegram

signal

whatsapp

Nextplus: Phone # Text + Call

Marco Polo - Video Messenger

Messenger Kids – The Messaging

Firefox Fast & Private Browser

Skype

TextMe Up Calling & Texts

Discord: Talk, Chat & Hang Out

Glide - Video Chat Messenger

Phoner 2nd Phone Number + Text

Threema. The Secure Messenger

Google Voice

Element - Secure Messenger

Pulse SMS (Phone/Tablet/Web)

Snapchat

Phone Call App & WiFi Call Any

Messenger

Microsoft Edge: AI browser

GroupMe

Smart Messages

Robokiller - Spam Call Blocker