Isotope Mail Client Alternatives

Isotope Mail Client is described as 'Microservice based webmail client built with ReactJS and Spring' and is a webmail provider in the office & productivity category. There are more than 10 alternatives to Isotope Mail Client for a variety of platforms, including Self-Hosted, Web-based, PHP, Cloudron and Linux apps. The best Isotope Mail Client alternative is Roundcube, which is both free and Open Source. Other great apps like Isotope Mail Client are Rainloop, Mailpile, Horde and SOGo.

Isotope Mail Client alternatives are mainly WebMail Providers but may also be Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Isotope Mail Client.

Isotope Mail Client alternatives page was last updated

Isotope Mail Client

Free • Open Source
WebMail Provider

Microservice based webmail client built with ReactJS and Spring.

Minimalistic webmail client which currently has the main...

More about Isotope Mail Client

Roundcube
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Email Client
Self-Hosted
PHP
Cloudron
27 Roundcube alternatives
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
- - Roundcube is the most popular Self-Hosted alternative to Isotope Mail Client.
- - Roundcube is the most popular Open Source & free alternative to Isotope Mail Client.
Suggest and vote on features
Roundcube Features
1. WYSIWYG SupportRoundcube integrates a WYSIWYG editor to edit the look and content of a document, page, or file.
2. PGP EncryptionRoundcube supports PGP, an encryption system used for sending encrypted emails and files.
IMAP Support
Hostable
Rainloop
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Online
Self-Hosted
Nextcloud
JavaScript
PHP
Cloudron
12 Rainloop alternatives
Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.
- - Rainloop is the most popular Web-based alternative to Isotope Mail Client.
Suggest and vote on features
Rainloop Features
1. Ad-freeRainloop doesn't contain any form of external advertising.
2. Multiple Account supportRainloop support multiple accounts without the need to logout and login
IMAP Support
Dockerized
Encrypted Email
Mailpile
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
WebMail Provider
Linux
Online
Self-Hosted
OpenPGP
59 Mailpile alternatives
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.
- - Mailpile is the most popular Linux alternative to Isotope Mail Client.
Suggest and vote on features
Mailpile Features
1. OpenPGPMailpile supports OpenPGP, a standard of PGP encryption that is open-source for public use.
Web-Based
Encrypted Email
IMAP Support
POP3 Support
Horde
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Online
Self-Hosted
40 Horde alternatives
Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.
Suggest and vote on features
Horde Features
CalDAV Support
Discontinued
The last release (5.2.22) was in September 2017.
SOGo
Is this is a good alternative?
Yes
No
Freemium • Open Source
WebMail Provider
Linux
Online
Thunderbird
Cloudron
65 SOGo alternatives
SOGo is groupware server with a focus on scalability and open standards.

SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.
Suggest and vote on features
SOGo Features
Support for Multiple Users
Scheduling
CalDAV Support
CardDAV Support
Squirrelmail
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Self-Hosted
PHP
17 Squirrelmail alternatives
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.
Suggest and vote on features
Squirrelmail Features
SMTP Support
IMAP Support
Exchange
On-premises software
SnappyMail
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Self-Hosted
Web Browser
12 SnappyMail alternatives
The drastically upgraded & secured fork of RainLoop Webmail Community edition.
Suggest and vote on features
SnappyMail Features
1. LightweightSnappyMail consumes less device resources compared to similar apps.
2. Multiple Account supportSnappyMail support multiple accounts without the need to logout and login
3. Support for ThemesYou can use themes and templates to change the look and feel of SnappyMail.
4. Dark ModeSnappyMail supports dark mode for comfortable usage in low light conditions.
5. PGP EncryptionSnappyMail supports PGP, an encryption system used for sending encrypted emails and files.
6. WYSIWYG SupportSnappyMail integrates a WYSIWYG editor to edit the look and content of a document, page, or file.
7. GPG EncryptionSnappyMail supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
8. Privacy focusedSnappyMail is considered a privacy friendly alternative.
9. Extensible by Plugins/ExtensionsSnappyMail can be extended with add-ons, plugins and extensions.
Ad-free
Two-factor Authentication
Mobile friendly
No Tracking
Webmail Lite
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Online
Self-Hosted
28 Webmail Lite alternatives
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.
Webmail Lite has no features, suggest some!
Cypht
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Self-Hosted
11 Cypht alternatives
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 :).
Suggest and vote on features
Cypht Features
1. End-to-End EncryptionCypht has E2E Encryption, for entire or parts of the app.
JMAP
IMAP Support
Built-in RSS reader
POP3 Support
Modules
SMTP Support
NeutronMail
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Online
Self-Hosted
22 NeutronMail alternatives
Self-hosted server for the Proton Mail client.
Suggest and vote on features
NeutronMail Features
1. End-to-End EncryptionNeutronMail has E2E Encryption, for entire or parts of the app.
2. PGP EncryptionNeutronMail supports PGP, an encryption system used for sending encrypted emails and files.
Web-Based
Discontinued
No longer supported
Add a screenshot
Safe-mail.net
Is this is a good alternative?
Yes
No
Freemium • Proprietary
WebMail Provider
Online
45 Safe-mail.net alternatives
High security web-based e-mail system which extends considerably the email system to much more than currently exists.
Suggest and vote on features
Safe-mail.net Features
1. Mail FilteringSafe-mail.net classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
2. Spam FilterSafe-mail.net can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
POP3 Support
SMTP Support
IMAP Support
Add a screenshot