BlackBerry Messenger Alternatives

Desktop client for Google Hangouts

Private & Secure Messenger

Open Source

NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.

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Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell...

Sonetel is a communication app that lets you make an international business call at the cost of local calls.

Fast, simple & secure messaging. Privacy that fits in your pocket.

Open Source

A messaging app for teams who see through the Earth!

tomeko.net/software: SIP client for Windows.

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

The X-Lite softphone from CounterPath. Try out our fully-loaded Bria desktop client including voice and video call, messaging and presence or download X-Lite for try to test SIP softphone features.

Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.

Facebook Messenger is a faster way to message.

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

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

Open Source