Kolab Now

Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

Open Source
Commercial
Web
DAVdroid

kolab now, formerly mykolab, is a fully featured secure collaboration and communication service that is easy to use on any device.

whether you are a legal counsel, journalist, diplomat or just a regular user: kolab now empowers your collaboration and communication, wherever you are.

thanks to a unique mix of usability and security with exclusive hosting in switzerland, kolab now allows law firms, smes and other organisations to focus on their core business. alternative hosting solutions are available through our enterprise solutions and partners across the world.

protect your trade secrets or privileged information hasslefree with kolab now, just sign up and start using it in today with our 30 day free trial.

Links to official Kolab Now sites

Official Website
Twitter

Features

Real time collaboration CalDAV CardDAV

The Best 75 Kolab Now Alternatives

301 Like

ProtonMail

Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based ProtonMail is incorporated in Switzerland and our servers are located in Switzerland.

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Privacy focused Privacy protection Multiple languages End to end encryption 4096 Bit encryption Anonymity Anonymous email Custom domain Encrypted Connection Encrypted email Mobile friendly Support for Multiple Users PGP Encryption Self destructing messages Very strong privacy
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ONLYOFFICE

ONLYOFFICE Desktop Editors is an open-source office suite that combines text, spreadsheet and presentation editors, distributed under AGPL license v3.

Free Open Source Mac OS X Windows Linux Web Self-Hosted

Compatible with Microsoft Office Works Offline Google Drive integration Multiple languages Real time collaboration Dropbox integration CRM Gantt charts Support for Docker
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Tutanota

Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is stored encrypted and can not be searched, i.e. for commercial usage.

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Privacy focused Privacy protection Share files Multiple Account support End to end encryption Anonymity Encrypted Connection Encrypted email Very strong privacy
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Zoho

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Free Personal Web

CRM Leadfeeder integration
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G Suite

G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable products under custom domain names.

Commercial Mac OS X Windows Linux Chrome OS Web
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Mailpile

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Free Open Source Mac OS X Windows Linux Web Self-Hosted OpenPGP
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Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to the customization and mailbox management needs of IT administrators.

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Integrated Spam Protection Custom domain Two factor authentication Mail filtering
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OpenMailBox

Our online solution offers free e-mail address hosting for a wide public in search of a high quality service inspired by a free philosophy and totally independent of all the existing large service companies on the web.

Freemium Web

Privacy protection Support for IMAP Owncloud integration POP3 Support Encrypted email
49 Like

Riseup

Riseup is an organization which provides online communication tools for people and groups working on liberatory social change.

Free Web
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FastMail

Email, calendars, and contacts to highest standards of security, privacy and reliability.

Commercial Android iPhone Android Tablet iPad Web

POP3 Support Built in Calendar CalDAV CardDAV
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Zimbra Collaboration Suite

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.

Freemium Linux Web
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Posteo

Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

Commercial

Privacy focused Privacy protection Security focused Built in Calendar Anonymity Encrypted email Encrypted mail and contacts
26 Like

Mailfence

Mailfence is a free secure and private mail service, that provides an end-to-end encrypted email.

Freemium

Privacy focused Multiple languages Custom domain Encrypted email CalDAV CardDAV Encrypted end to end
24 Like

Kopano

Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you work smarter with people within and outside your organization.

Commercial Mac OS X Windows Linux Android iPhone Android Tablet Web Windows Phone

Real time collaboration POP3 Support CalDAV Shared calendars On premises software
21 Like

Microsoft SharePoint

Microsoft Office SharePoint Server is an integrated suite of server capabilities that can help improve organizational effectiveness by providing comprehensive content management and enterprise search, accelerating shared business...

Commercial Windows Android iPhone Web Windows Phone
19 Like

Linchpin

Linchpin is an efficient social intranet platform that focuses on effective collaboration and reduces complexity by means of user-specific customization.

Commercial

Customizable Extensible by Plugins/Extensions Multiple languages Integrated Search Real time collaboration WYSIWYG Support Team Collaboration Mobile friendly Content Templates Clear interface Optimized for Mobile
18 Like

MsgSafe.io

MsgSafe.io provides private, encrypted, online communication with layers of security you can trust.

Freemium Android iPhone Web S/MIME OpenPGP

Privacy focused Integrated Spam Protection Encrypted chat End to end encryption Anonymity Encrypted email S/MIME support Email Analytics
17 Like

Hushmail

Hushmail is a commercial email service focusing on security with features such as industry-standard OpenPGP encryption and two-step verification. All communications also use a secure SSL/TLS connection.

Commercial iPhone iPad Web
15 Like

Soverin

Soverin is an independent private company based in Amsterdam, run by a team of internet enthusiasts who want to create great products that are safe, beautiful and easy to use.

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14 Like

Microsoft Office 365

office 365 is a subscription-based software services that licenses microsoft office products for on-premise or cloud-based use. for consumers, the service allows the use of https://alternativein .

Commercial Web

IFTTT integration Real time collaboration

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Kolab Now

Links to official Kolab Now sites

Features

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The Best 75 Kolab Now Alternatives

ProtonMail

ONLYOFFICE

Tutanota

Zoho

G Suite

Mailpile

Zoho Mail

OpenMailBox

Riseup

FastMail

Zimbra Collaboration Suite

Posteo

Mailfence

Kopano

Microsoft SharePoint

Linchpin

MsgSafe.io

Hushmail

Soverin

Microsoft Office 365

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