Tkabber vs Hangouts : Which is Better?

Tkabber

Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI. Developed by Alexey Shchepin

License: Open Source

Apps available for Mac OS X Windows Linux BSD

Hangouts is an instant messaging software developed by Google. Developed by Google

License: Free

Apps available for Windows Online Android iPhone Chrome OS

Feature	Tkabber	Hangouts
Chat
Support for Multiple protocols
Extensible by Plugins/Extensions
End-to-End Encryption
Custom Backgrounds
Forums
Group chat
Video calling
Share your screen
Gmail integration
Security focused
Encrypted chat
Threaded Conversations
Group collaboration
Chat Bot
Chat organizer
Anonymity
Anonymous email
Customizable URLs
Decentralized
Audio Calling
Integrated File Sharing
Xmpp
Supports XMPP
Multiple Account support
Twitter
Video conferencing
Voice Call
Voice messages
Multi Device Support
Multi-platform support
Sms from PC
SMS Messaging
Supports archiving conversations
Video chat
Video Conferencing
WebRTC
Stickers
Lightweight
Cloud sync
Ad-free
Privacy-friendly
Multi Channel
Team Collaboration
Security & Privacy
Peer-To-Peer
Privacy focused
Federation
File sharing
File transfer
SIP client
Web application wrapper
Multi-messenger
Built-in themes
Animated stickers
Call Transfer
Desktop Sharing
No registration required
Browser based
Video streaming
Unified messaging
Whatsapp integration
Gitter integration
In-app Money Transfer
Messaging
Picture sharing