Mei

SMS evolve with this app

TeleFive

Messagin app based on Telegram

GroupMe

Communicate with your friends in an organized manner

StarChat

Free voice chat for Android

Bridgefy

Send messages via Bluetooth and without an internet connection

Gem4me

Chat with all your contacts

Yandex.Messenger

Russian company's instant messaging app

Twist

Teleworking more efficiently

Microsoft Kaizala

Your business communications center on your mobile phone

Bolo Chat

Instant messaging application

Telepal

Telegram, but with many extra options

Crew

Instant messaging for work environments

PlayStation Messages

Talk to your PlayStation friends

Flipchat

TikTok's version of WhatsApp

Verizon Messages

Excellent app to send SMS messages

YoYo

Count your moves in a lot of voice chat rooms

Yoosee

Watch your home through wifi cameras

LiveYes

Monitor your store or home through remote video cameras

Nest

Google's video surveillance and home automation control app

Camy

Set up a live video surveillance system with an old cell phone

Iriun 4K Webcam

Turn your Android into a webcam

Vivint

Control your smart home security system from your smartphone

Arlo Secure

Control your security system from your phone

USB Camera

Use a mobile as a camera for your PC

Spyzie

Parental control application

Alfred

Keep an eye on your home with your old smartphones

CatWatchful

Parental control app for spying on mobile phone activity

V380 Pro

View the recordings from your cameras

Xmeye

Check your security cameras

YYP2P

Control IP security cameras with your mobile phone

TrackView

Turn any device into a security camera