Ecosia: Search to plant trees

GroupMe

Nextplus: Phone # Text + Call

Messenger

Pulse SMS (Phone/Tablet/Web)

Phoner: Second Phone Number

Firefox Fast & Private Browser

Telegram

Robokiller - Spam Call Blocker

Smart Messages

Element Classic

Google Meet

Skype

Marco Polo - Video Messenger

Snapchat

Threema. The Secure Messenger

Signal Private Messenger

WhatsApp Messenger

Microsoft Edge

Discord - Talk, Play, Hang Out

Google Voice

Phone Call App & WiFi Call Any

Text Free: Second Phone Number

Messenger Kids – The Messaging

TextMe Up Calling & Texts