Alternatives to systemli.org for all platforms with any license

Gmail

Gmail is a free search-based web-mail service. It offers a full featured web-based email client with search capabilities, a mailbox with Pop and IMAP access, SPAM...

Free Web Android iPhone Chrome OS Android Tablet ... iPad Chrome Android Wear Android TV Software as a Service (SaaS)
Basic html mode Custom Backgrounds Integrated Chat Integrated Search ... Outlook integration Canned responses Emoji Text support Multiple Account support Works Offline IFTTT integration Support for IMAP Integrated Spam Protection Mail filtering Email Server Organize mails Suggested replies Threaded Conversations Unified inbox Web-Based Yahoo Integration Add a feature

3118 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...

Freemium $ $ $ Open Source Web Android iPhone iPad
End-to-End Encryption Privacy focused Encryption Encrypted Email ... Encrypted Email Custom domain Anonymous email Accept Bitcoin as payment E2e encryption Filters Support for IMAP Integrated Spam Protection PGP Encryption Price comparison Support for SFTP Two factor authentication 4096 Bit encryption Anonymity Encrypted Connection Mobile friendly Multiple languages Support for Multiple Users Self destructing messages Add a feature

518 Like
Yandex.Mail

Yandex.Mail for mobile is an inbox in your pocket which provides secure protection from spam and viruses. • You can use Mail without an internet connection. For...

Free Web Windows Mobile Android iPhone Java Mobile ... S60 Android Wear
Push Notifications Custom domain Support for IMAP POP3 Support ... Unlimited storage Add a feature

133 Like
Vivaldi Mail

Free email service with no ads and no strings attached. Also contacts and calendar features.

Free Web
Support for IMAP POP3 Support Encrypted Email Mail filtering ... PGP Encryption Web-Based Add a feature

17 Like
Autistici / Inventati

A/I provides tools for anonymous communication and sharing. We recommend to use our services along with some specific personal privacy protection tool All our...

Free Web
Anonymity POP3 Support VPN Web hosting Add a feature

28 Like
HEY

Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell...

Commercial $ $ $ Mac Windows Linux Web Android ... iPhone Windows S Android Tablet iPad
Ad-free Integrated Spam Protection Privacy focused Large File Transfer ... Send later Threaded Conversations Add a feature

6 Like
CTemplar

CTemplar offers users the world’s most secure encrypted email program. CTemplar’s security does not lie solely in its advanced encryption. CTemplar is structured and...

Freemium $ $ $ Open Source Web Android iPhone Android Tablet iPad ... F-Droid
Deadman timer Privacy enhanced Security focused Add a feature

9 Like
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.

Commercial $ $ $ Open Source Web Software as a Service (SaaS) DAVdroid
CalDAV Calendar CardDAV Cloud Storage ... Email Server Notetaking Real time collaboration Add a feature

41 Like
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Teknik Mail

Teknik was created to provide users with web services that they can trust. Services range from url shorteners to pastebins and encrypted file uploads. Teknik Mail is a...

Commercial $ $ $ Open Source Web
Support for IMAP POP3 Support Add a feature

4 Like
Inboxer

Unofficial, free and open-source Google Inbox Desktop App. Built using electron, Inboxer includes a menu bar which is globalmenu compatible and works, and keyboard...
- Discontinued
  Project archived. See https://github.com/denysdovhan/inboxer/issues/101
Free Open Source Mac Windows Linux
No features added Add a feature

2 Like