YakYak is a desktop client for Google Hangouts that lets you communicate with your Hangouts contacts via messages.
The Bonfire app by Facebook makes group video chat possible so you can see all your friends in one video chat on your smartphone.
If you’ve been looking for a Tox client, Toxygen has got all the bells and whistles for you to access all the Tox services on your computer.
DirectChat app allows you to create the same kind of chatheads as Facebook Messenger and it supports a number of instant messaging apps on your Android device.
Adium lets you connect to a number of chat systems from a single app on your Mac machine.
WhatsApp allows you send and receive text messages, multimedia content such as audio, video, and images, and lets you make free voice and video calls right from your device.
Twitch is an app that lets you have chat and high-quality voice and video calls with your friends and families for free. The app is inclined towards gamers but it works just well for other users, too.
Signal allows you to send private texts and make calls from your compatible devices without worrying about any privacy matters as it’s completely secure and safe app for instant messaging.
Free voice and text chat for gamers. Cool features like Smart Push Notifications, DM, and DDoS Protection.
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.