Skype

An instant messaging app that provides online text message and video chat services.

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Blackberry Chrome OS Windows S Android Tablet BSD Windows Phone iPad Android Wear PortableApps.com

2514 Like

Hangouts

Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group! ...

Free Windows Web Android iPhone Chrome OS ... Android Tablet iPad Chrome Android Wear

1013 Like

Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live...

Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet BSD iPad

369 Like

Viber

Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application installed. .

Freemium Mac Windows Linux Android iPhone ... Windows S Android Tablet Windows Phone iPad Blackberry 10 Apple Watch

319 Like

Trillian

Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation...

Freemium Mac Windows Linux Web Android ... iPhone Blackberry iPad

277 Like

FaceTime

FaceTime is a video calling software feature developed by Apple for the iOS and Mac OS. FaceTime makes it possible to talk, smile, wave, and laugh with anyone on an...

Free Mac iPhone iPad

76 Like

Google Duo

Cross-platform - Get closer to everyone you love with simple, high-quality video calling on iOS and Android. Make one-to-one calls - See who’s already available to...

Free Web Android iPhone Chrome OS Android Tablet ... iPad KaiOS

33 Like

Empathy

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those...

• Discontinued
  Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.

Free Open Source Linux BSD

153 Like

Disa

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

Free Open Source Android Android Tablet Kindle Fire

22 Like

YakYak

What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * ...

Free Open Source Mac Windows Linux Hangouts

20 Like