Crew

Instant messaging for work environments

Yandex.Messenger

Russian company's instant messaging app

Bridgefy

Send messages via Bluetooth and without an internet connection

StarChat

Free voice chat for Android

PlayStation Messages

Talk to your PlayStation friends

YoYo

Count your moves in a lot of voice chat rooms

Mei

SMS evolve with this app

Rocket.Chat

Communicate with other users in this cross-platform chat

Talkie

Communication between mobiles without an internet connection

TeleFive

Messagin app based on Telegram

Twist

Teleworking more efficiently

Microsoft Kaizala

Your business communications center on your mobile phone

Telepal

Telegram, but with many extra options

Bolo Chat

Instant messaging application

Serval Mesh

Messaging without internet connection

Meshenger

Make calls and video calls without internet connection

Viber Messenger

App to chat, send text, voice, and video messages, and to make calls

Google Voice

More control over your phone calls

Skype

The best app for voice and video calls

Chamet

Make friends from all over the world and talk to them by video call or voice chat

Cisco Webex Meetings

An app for holding stable video conferences

Eyecon

A complete mobile agenda with a lot of options

Google Contacts

Google's app to manage your contacts

OmeTV

Application to chat with people from all over the world on video

Google Meet

The version of Hangouts conceived for work

Talkatone

Free call and message app

CallApp

Identify who is calling you can record the conversation

Tango

Make live broadcasts and become a successful streamer

Zalo

A new video calling and messaging service

Zoom

The ultimate app for video calls and virtual meetings

Truecaller

The app to block phone SPAM and unwanted calls