Mailpile has been discontinued. One of the most popular alternatives is Thunderbird, which is free and open source. Other popular alternatives are Tuta Mail, Betterbird, Microsoft Outlook and Evolution. Email Clients like Mailpile are a crowded field, with more than 50 alternatives for the web, Linux, Windows, Mac and self-hosting.
Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web browser based email client software for Windows ASP.
United States
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia
All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader :).
United States
MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the industry.
Secure Exchanges is a SaaS that enables point-to-point encrypted email exchange without the recipient having to install anything. It allows you to send emails and files up to 2.5 G. It also allows you to receive information.
Canada
United States
Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.
Spain
EU
DNMX or Dark Net Email Exchange is a dark net email provider that allows anyone to create an email account anonymously and receive/send emails to the clear net.
JMAP Webmail built for the 21st Century. A modern, self-hosted email client for Stalwart Mail Server powered by the JMAP protocol. Email, calendar, contacts and files. Fast, private, and open source.
GermanyEU
SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers.
