Kolab Now is described as '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' and is a webmail provider in the office & productivity category. There are more than 50 alternatives to Kolab Now for a variety of platforms, including Web-based, Android, iPhone, Windows and Linux apps. The best Kolab Now alternative is Proton Mail, which is both free and Open Source. Other great apps like Kolab Now are Tuta Mail, mailbox, Google Workspace and Zoho Mail.
Suite for secure email, calendaring, file sharing, chat, and online meetings, offering real-time collaboration on docs, GDPR compliance, customizable branding, renewable energy use, advanced user management, and all data hosted in Switzerland.
It's time to get stuff done with the Yahoo Mail app. Get organized with the help of the Mail app.
Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the .
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.
Share and manage content, knowledge, and applications to empower teamwork, quickly find information, and seamlessly collaborate across the organization.
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
Cock.li is your go-to solution for professional E-mail addresses and XMPP addresses. Since 2013 cock.li has provided stable E-mail services to an ever-increasing number of users. Cock.li allows registration and usage using Tor and other privacy services (proxies, VPNs) and is...
Commercial email service emphasizing OpenPGP message encryption, SSL/TLS security, two-step authentication, file storage, custom domains, iOS support, spam filtering, ad-free web interface, and secure communications accessible via browsers and existing clients.
IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.
Switzerland
United States
France
EU
Netherlands
Germany
Canada
Czechia