IM+ Alternatives

Apps/Empathy - GNOME Wiki!

Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Open Source

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Gmail, Telegram and many many more.

Open Source freemium €4.0 / Monthly

Full featured and easy to use Jabber client

Facebook Messenger is a faster way to message.

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

free

Disa is your new messaging hub.

Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM. Very light on system resources and extremely fast.

Open-source video calling and chat platform.