ProtonMail
Open Source
ProtonMail is an end-to-end encrypted email service.
Zoho
Free Personal
ZOHO Corporation offers online business, network, and IT infrastructure management applications, and software maintenance and support services.
Yahoo! Mail
Free
Yahoo! Mail, a web-based email service, launched in 1997 through the American parent company Yahoo!. Yahoo! Mail provides four different email plans: three ar…
Zoho Mail
Freemium
Zoho Mail is a email service with ample storage, POP and IMAP access, some integration with instant messaging and online office suites.
Zimbra Collaboration Suite
Freemium
Zimbra offers an open source email platform for the enterprise.
Wimi
Commercial
Wimi is a collaborative platform, for file sharing and online project management.
Hushmail
Commercial
Hushmail is an encrypted proprietary web-based email service offering PGP-encrypted e-mail and vanity domain service.
Mailfence
Freemium
Mailfence is a web-based email service that offers OpenPGP based end-to-end encryption and digital signatures.
AOL Mail
Free
AOL Mail (Aol Mail) is a free web-based email service.
Soverin
Commercial
Soverin is a secure mail hosting platform.
Tutanota
Open Source
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Yandex.Mail
Free
Yandex.Mail is a free email service.
Mailpile
Open Source
Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.
FastMail
Commercial
FastMail is an email service offering paid email accounts for individuals and organizations.
Kopano
Open Source
Kopano is an open-source groupware application suite originally based on Zarafa.
Microsoft SharePoint
Commercial
Microsoft SharePoint is a browser-based collaboration and document management platform.
Posteo
Commercial
Posteo is an email service provider offering paid email accounts for individuals and businesses.
Microsoft Exchange Server
Commercial
Microsoft Exchange Server is a mail server and calendaring server.
WorkSpace
Commercial
WorkSpace collaborative suite for SMEs.
Compare Kolab Now with alternatives
Compare ProtonMail and Kolab Now and decide which is most suitable for you.
Compare Yandex.Mail and Kolab Now and decide which is most suitable for you.
Compare Yahoo! Mail and Kolab Now and decide which is most suitable for you.
Compare Zoho Mail and Kolab Now and decide which is most suitable for you.
Compare Zimbra Collaboration Suite and Kolab Now and decide which is most suitable for you.
Compare Microsoft SharePoint and Kolab Now and decide which is most suitable for you.
Compare Mailfence and Kolab Now and decide which is most suitable for you.
Compare Microsoft Exchange Server and Kolab Now and decide which is most suitable for you.
Compare WorkSpace and Kolab Now and decide which is most suitable for you.