AQQ Instant Messanger Alternatives & Competitors

WTW offers the most comprehensive program of high-quality measuring devices for the water analysis in the world - reliability, operational safety and versatility.

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.

Key Pidgin features:

Multi-Protocol Support Open Source Cross-Platform Plugin Support

The fastest way to send files over the internet.

Key Fileport features:

User-Friendly Interface Multi-Device Access Secure File Transfers Fast Upload and Download Speeds

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

Key Skype features:

Cross-platform availability Integration with Microsoft services Free video and voice calls Screen sharing

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

Key Telegram features:

Privacy and Security Multi-Platform Support Cloud Storage Large Group Chats

Open Source

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

Key Signal features:

End-to-End Encryption Open Source User Privacy Cross-Platform Availability

Open Source

Collaborate from anywhere - video meetings with no downloads.

Key Whereby (formerly appear.in) features:

Ease of Use No Account Required for Guests Browser-Based Customizable Room Links

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.

Key Miranda NG features:

Multi-Protocol Support Lightweight Customizability Open Source

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.

Key Trillian features:

Multiplatform Support Unified Messaging Security and Encryption Customizable Interface

Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Goo...

Key IM+ features:

Multi-Platform Support Unified Messaging Custom Notifications Secure Communications

Full featured and easy to use Jabber client.

Key Gajim features:

Open Source Cross-Platform Feature-Rich Active Development

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

Key Spark Mail features:

Smart Inbox Collaborative Email Customization Unified Inbox

Open Source

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

Key Adium features:

Multi-Protocol Support Customization Open Source Mac Integration

Apps/Empathy - GNOME Wiki!

Key Empathy features:

Integration Protocol Support User-Friendly Interface Unified Messaging