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)
Integrated Chat Basic html mode Canned responses Custom Backgrounds ... Emoji Text support IFTTT integration Support for IMAP Integrated Search Integrated Spam Protection Mail filtering Multiple Account support Works Offline Organize mails Outlook integration Suggested replies Threaded Conversations Unified inbox Web-Based Yahoo Integration Add a feature

3027 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 $ $ $ Web Android iPhone iPad
Apps with End-to-End Encryption Privacy focused Encrypted Email Custom domain ... Anonymous email Encrypted Email PGP Encryption 4096 Bit encryption Anonymity E2e encryption Encrypted Connection Mobile friendly Multiple languages Support for Multiple Users Self destructing messages Add a feature

438 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
Custom domain Support for IMAP POP3 Support Unlimited storage Add a feature

131 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 Add a feature

28 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

10 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 DAVdroid
CalDAV Calendar CardDAV Cloud Storage ... Email Server Notetaking Real time collaboration Security & Privacy Add a feature

40 Like
Teknik Mail

We provide these services to help those who try to innovate. In order to register a new account, you will need to input a valid invite code during registration. This...

Free Open Source Web
Support for IMAP POP3 Support Add a feature

3 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
ETHletter

Email service, combined with the Ethereum blockchain. Allows you to set up the price for incoming emails, so the senders will need to pay to you before they disturb you...

Free Web MetaMask
Blockchain Based on Blockchain Add a feature

4 Like
InstAddr

Disposable email address application.

Free iPhone iPad
No features added Add a feature

1 Like
Gmail Go

The Gmail you love, now lighter and just as fast. Enjoy a smart inbox that keeps your messages safe and you organized. Receive notifications when mail arrives, then read...

Free Android
Support for IMAP Lightweight Multiple Account support Outlook integration ... Yahoo Integration Add a feature

0 Like
Pony

Pony is an email service that delivers once a day. It’s your place to correspond without distractions. We believe that having time to think improves communication. We...

Free Web
No features added Add a feature

0 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...

Free Personal Web
Deadman timer Security focused Add a feature

0 Like
Tildamail

Tildamail is a free, decentralized, and secure email system, developed by Stanford graduates. We are an end-to-end encrypted email system that protects your privacy....

Free Web
Decentralized Privacy focused Add a feature

0 Like