Slack vs Ora : Which is Better?

Slack

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

License: Freemium

Apps available for Mac OS X Windows Linux Online Android

Ora is a real-time all-in-one workspace for teams. Developed by Codemotion

License: Commercial

Apps available for Mac Windows Linux Web Software as a Service (SaaS)

Feature	Slack	Ora
Collaborative
Extensible by Plugins/Extensions
Group chat
Group collaboration
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
Multi Channel
Multiple channels
Multiple teams
Real time collaboration
Team Collaboration
Team work
Video calling
Video chat
Voice Call
Ad-free
Chat Bot
On-premises software
Self-hosted in intranet or private cloud
Threaded Conversations
Chat organizer
End-to-End Encryption
Decentralized
Security & Privacy
Live Chat
Federation
Chat
Security focused
Encrypted chat
Share your screen
Gmail integration
Video Conferencing
Privacy-friendly
Content Templates
File sharing
Gantt-charts
Apps that Sync with Google Calendar
Bitbucket Integration
Bug reporting
Cloud sync
GitHub integration
Gitlab integration
Kanban boards
MarkDown support
Real-time tracking
Recurring tasks
Saving pics from thumbnails
Slack integration
Sprints
Subtasks
Task Automation
Task Management
Task time tracking
Time estimates
Weekly Report
Workflow Automation
Custom templates
Checklists
Content Filtering
Visual bookmarks
Database
Alexa integration
Dropbox integration
Favorites
Gamification
Dependency Tracking
gmail.
Support for Kanban Boards
CRM
Customizable
Built-in File Manager
Employee Time Tracking
Hierarchical structure
Infinite hierarchical depth
Export to OPML
Notetaking
Version and Source control
Double Donut Chart
To do lists