Feature | Zulip | Viber |
---|---|---|
GitHub integration | ||
Group chat | ||
Group collaboration | ||
Integrated File Sharing | ||
Chat Bot | ||
Chat organizer | ||
Community based | ||
Live topics | ||
MarkDown support | ||
Secure Chat | ||
Self-hosted in intranet or private cloud | ||
Team Collaboration | ||
Threaded Conversations | ||
Todos | ||
Multiple languages | ||
Push to talk | ||
Voice Call | ||
Animated stickers | ||
Call Transfer | ||
Desktop Sharing | ||
Hidden chat | ||
Phone calls | ||
Secret chats | ||
Video calling | ||
Voice chat |