Hangouts vs Riot.im : Which is Better?

Hangouts

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

License: Free

Apps available for Windows Online Android iPhone Chrome OS

Riot allows teams to communicate across a wide range of collaboration apps.

License: Open Source

Apps available for Online Android iPhone iPad Self-Hosted

Feature	Hangouts	Riot.im
Gmail integration
Video conferencing
Voice Call
Voice messages
Group chat
Multi Device Support
Multi-platform support
Share your screen
Sms from PC
SMS Messaging
Supports archiving conversations
Video calling
Video chat
Video Conferencing
WebRTC
Stickers
Chat Bot
Lightweight
Cloud sync
Ad-free
End-to-End Encryption
Encrypted chat
Security focused
Privacy-friendly
Group collaboration
Multi Channel
Team Collaboration
Decentralized
Security & Privacy
Peer-To-Peer
Privacy focused
Support for Multiple protocols
Extensible by Plugins/Extensions
Custom Backgrounds
Forums
Federation
Chat
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
Audio Calling
Threaded Conversations
Chat organizer
Unified messaging
Whatsapp integration
Gitter integration
In-app Money Transfer
Messaging
Picture sharing
Built-in File transfer
GitHub integration
Slack integration
Active Directory integration
Add-ons
Clean design
Community based
Custom widgets
Direct Messaging
DRM Free
Federated
Integrated File Sharing
LDAP support
Live Chat
MarkDown support
Matrix.org protocol
Message redaction
Mobile friendly
Moderation tools
Per-room avatars
Read receipts
Real time collaboration
File Sending
Server Moderation
Server side history
Social network
Text chat
Typing notifications
User Management
User mentions
Video/Audio Calling
Voice chat
Web-Based
Web Integaration