Jitsi vs Slack : Which is Better?

Jitsi

Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application. Developed by University of Strasbourg (France), plus many others.

License: Open Source

Categories: Business & Commerce Development Office & Productivity OS & Utilities Social & Communications

Apps available for Mac OS X Windows Linux Online Android

Slack

Slack is a cloud-based team collaboration tool. Developed by Slack Technologies, Inc.

License: Freemium

Categories: Business & Commerce File Sharing Office & Productivity Social & Communications

Apps available for Mac OS X Windows Linux Online Android

Jitsi VS Slack Feature comparision

Feature	Jitsi	Slack
End-to-end encryption
OTR
Video conferencing
Browser based
Chat
Cross-platform
Desktop Sharing
End-to-End Encryption
File sharing
Group chat
iPhone/iPod sync
Live Meeting
Support for Multiple protocols
Multiple Account support
No download
No installation required
No Login Required
Plugins
Privacy focused
Privacy-friendly
Share your screen
Security & Privacy
Softphone
Unlimited users
Video calling
Video chat
Video Conferencing
Voice chat
WebRTC
Xmpp
Stickers
Chat Bot
Lightweight
Cloud sync
Encrypted chat
Security focused
Group collaboration
Multi Channel
Team Collaboration
Decentralized
Peer-To-Peer
Extensible by Plugins/Extensions
Custom Backgrounds
Forums
Gmail integration
Federation
On-premises software
Self-hosted in intranet or private cloud
Collaborative
IFTTT integration
Onboarding
Out Of The Box
Reactions
App integration
Channel manager
Channels
Direct file uploading
Electron based
HIPAA compliant
Integrated File Sharing
Live Push Notifications
Support for @mentions
Multiple channels
Multiple teams
Real time collaboration
Team work
Voice Call
Ad-free
Threaded Conversations
Chat organizer
Live Chat
Content Templates
Gantt-charts
Apps that Sync with Google Calendar