BAND - App for all groups

NAVER Corp.

Google Chat

Google LLC

Messages

Google LLC

Signal – Messagerie privée

Signal Foundation

Spike Email - Mail et Chat

Spike Email - Your Inbox reinvented

Three - group video chat

Three Team

Kik

MediaLab AI - Kik

Flock - Team Chat & Collaboration App

Riva

Workplace Chat from Meta

Meta Platforms, Inc.