Kolab Now vs ProtonMail : Which is Better?

Kolab Now icon

Kolab Now

Kolab Now is a web-based email and groupware service, based completely on free and open-source software. Developed by Kolab Systems AG

License: Commercial

Apps available for Online DAVdroid

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ProtonMail icon

ProtonMail

ProtonMail is an end-to-end encrypted email service. Developed by Proton Technologies AG

License: Open Source

Apps available for Online Android iPhone iPad

Kolab Now VS ProtonMail Feature comparision

Feature Kolab Now ProtonMail
Collaborative
CalDAV
CardDAV
Cloud Storage
Email Server
Notetaking
Real time collaboration
Security & Privacy
End-to-End Encryption
Privacy focused
Encrypted Email
Custom domain
Google Sheets integration
Mobile Device Management
Online collaboration
Calendar integration
Encrypted mail and contacts
POP3 Support
Web-Based
Ad-free
Document sharing
Integrated Spam Protection
Custom login portal
Built-in Calendar
Push Notifications
Support for IMAP
Anonymity
Encrypted email
End-to-end encryption
4096 Bit encryption
Anonymous email
E2e encryption
Encrypted Connection
Encryption
Mobile friendly
Multiple languages
Support for Multiple Users
PGP Encryption
Self destructing messages
Video Conferencing
Cloud IDE
Decentralized
Chat
Digital Signage
Support for TOR
Support for Aliases
File Storage
Mail filtering
*community curated information: This table may not have the most accurate information. Please suggest changes

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