Isotope Mail Client alternatives

Ranked alternatives

1. 1
   
   MailpileFree

   Mailpile is a web-based email client that enables you to send and receive emails to and from anyone in complete privacy. It works much like Gmail and Yahoo where you can send pictures, documents, and videos, along with messages as well. Unfinished mails are added to the draft automatically from where they can be completed later. Users are notified as they receive emails from their contacts but they can be disabled or added to spam.

   Unwanted senders can be blocked as well whereas emails received from unknown senders are added to the spam list. If a user is looking for something specific but can’t find it in the plethora of emails, he can search for it by typing the relevant keywords in the search bar. Its most distinguishing feature however is that you can send encrypted emails. Log in, password security, open souring, personal account, unread emails display, delete mails option, graphical interface, and custom settings are some of its formidable features.

   Mailpile alternatives
2. 2
   
   MailoFree

   Mailo is an email client where you can send and receive emails to and from anyone with an email address. This can be used by anyone from kids to students and employees. With the mails, users can send links, documents, and media files as well. These received files are stored on the platform’s own cloud storage the size of which depends on the package.

   However, if the user is using the service for free, he has 500GB of free space for documents and images whereas 1GB for the emails. There is also a search bar that you can use to find lost contacts or messages. There is an agenda section where you can add all your schedules and manage them. Personal account, log in, graphical interface, vast customization options, guaranteed privacy protection, notifications, delete mail option, user blocking, and spammed mail section, are some of its many features.

   Mailo alternatives
3. 3
   
   HEYFree

   HEY is a communication service that allows you to connect with others via emails. In addition to texts, users can also send media files, links, and documents. All the emails that a user receives are added to the inbox. These mails can be forwarded to others or be deleted. Emails from strangers are added into spam so a user is not disturbed.

   There is also a screening mode that lets you decide whether someone can email you further after the first time you receive an email from them. All your emails addresses can be synced with HEY so you can manage all of them in one place. If you are busy but you have to respond to an important email, you can add it to the reply later section. Even private self-notes can be added while writing the emails so you don’t forget anything important. Graphical interface, custom notifications, and the ability to add labels are some of its modest features.

   HEY alternatives
4. 4
   
   HordePaid

   Horde is a webmail suite that allows you to send, receive, and manage all your emails in one place. These emails can include any type of files, documents, links, and media files. Even zip folders can be sent and downloaded. All the received mails are added to the inbox where they can be seen or left unseen. The total number of seen and unseen messages are displayed in a separate section ensuring that you never miss anything important.

   Tasks for different team members can be arranged in a separate section where important information can be given to them in time. Deadlines can be set and monitored via a built-in calendar and people can be added to whitelists and blacklists. There is also a powerful search engine that can be used for finding old emails. IMAP folders support, email details, engaging dashboards, graphical interface, current weather display, location change, email drafting, and multiple templates are some of its decent features.

   Horde alternatives
5. 5
   
   SoverinFree

   Soverin is an email client that lets you communicate with anyone over an email with the domain name totally determined by the user. This is a perfect solution to the problem often faced while deciding a domain name on popular email services. As the name a user wants is often used by others so you have to decide on a different name. All the received emails are added in the inbox from where they can be snoozed and responded to.

   If a person is having problems with a sender, you can add him to the Blacklist. Likewise, emails received from dubious sources are added automatically to the spam list. It uses SSL/TLS connection to ensure that your communication is safe from any encroachment. Users can also add multiple aliases and mailboxes. Log in, password protection, public web page, email details, vast custom options, and graphical interface are some of its additional features.

   Soverin alternatives
6. 6
   
   Teknik MailFree

   Teknik Mail is a web service that provides multiple functions for instance you can create pastes to share with others. All the features of standard pastebins are provided here. It provides the ability to run podcasts. It also provides a URL shortened that enables users to get a link of their choice and remove all the extra gibberish. From the mumble servers, users can also make high-quality voice calls.

   It allows users to upload all their important files, videos, documents, links, and media files in an encrypted form so they are never seen by others even in the event of hacking. The time limit of these uploads, the storage space, and a lot of other features depend on the package that a user has. Git repository and IRC server are some of its most astonishing features.

   Teknik Mail alternatives
7. 7
   
   InstAddrFree

   InstAddr is an email client where you can send and receive emails to and from anywhere in the world. Before you can use this, you need to have an account. You can own as many email addresses as you want on a single account and switch between them at your discretion. You can also send attachments such as pictures, videos, audio files, documents, and links with these emails.

   There is also an option to add subject matter with each email to make the communication smooth. If a message is long, the long message mode lets you send it avoiding the pain of sending multiple emails. All your contacts are saved in a separate tab so it is easy to select the recipients of the email as you are sending it. A single email can even be sent to multiple people at a time. Graphical interface, HTML support for emails, delete email option, custom interface, email forwarding, search bar, and push notifications are some of its distinguishing features.

   InstAddr alternatives
8. 8
   
   CyphtFree

   Cypht is an email client that enables you to manage all your email accounts in one place. It should be noted that all your original accounts remain intact in this app and the app provides a mechanism to manage all of them without having to switch between them from time to time. The software is built from module sets that offer unlimited possibilities when it comes to additional features but users can make their own improvements as well because it is open-sourced.

   All your messages are displayed in a single window so a user never misses a thing and always responds to them. Unwanted emails and people can be added to spam and block list. Lost data can be located simply by performing a smile search and certain contacts can be snoozed for a time if you don’t want to block them. Emails from one account can be transferred to another account as well. Some of its primary features include HTML support for emails, IMAP and SMTP account sync, session customization, and PDO-compatible database support for saving user data.

   Cypht alternatives
9. 9
   
   EverymailFree

   Everymail is a webmail service where you can send and receive emails to and from anyone with an email address. Users can add as many people to their contacts as they want and send them automated emails. They can even respond to received emails and forward them. Private emails can be hidden or deleted. You can also draft unfinished emails so you can create a perfect email.

   Messages sent and deleted are arranged in separate sections from where they can be viewed and restored. With these emails attachments such as media files, links and documents can be sent as well. No ads, graphical user interface, personal account, email registration, ability to use from any device, Smooth workflow, search bar, big email option, optional subject inclusion in emails, tags addition, and custom setting are some of its prime features.

   Everymail alternatives
10. 10
    
    NeutronMailPaid

    NeutronMail is a web client that enables you to send emails to anyone while maintaining complete anonymity. It is simple to use. Just add the email address of the recipient, type in your email, and you are good to go. If the user wants, he can even attach images, audio, videos, links, and documents with the email and specify the subject matter.

    All the communication is end-to-end encrypted and IP logs are not even traced ensuring that your identity will remain concealed. Although you need to have an account to use this service, no personal information is demanded of you. Aside from this, it works like a standard email client. The emails you receive are shown in the inbox section and you can even reply to those emails. Not only this, all the data is physically protected as well as it is located in a data center in an unknown location.

    NeutronMail alternatives
11. 11
    
    Turing EmailFree

    Turing Email is software that is used for managing and monitoring all your emails in one place. Emails can be sent to anyone in the world regardless of the provider they use. Likewise, you can receive emails from them as well that are displayed in your inbox. In the outbox sections, emails sent by the user can be seen. These emails can include both plain text and attached files such as links, documents, and media files. You can even forward or delete these emails.

    Specific emails and contacts can be added to favorites so it is easier for you to find them in the future. Unwanted emails can be deleted whereas unwanted senders can be blocked permanently or snoozed for a specified period. Subjects can be added with emails to make things more formal and intelligible. Some of its main features include Personal ID, password-based entry, cloud compatibility, graphical user design, custom appearance, ability to draft unfished emails, ability to add signatures, analytics tools, and email search filters.

    Turing Email alternatives
12. 12
    
    CloudEmailFree

    CloudEmail is an email client for employees and professionals where they can manage schedules, coordinate with each other, and convey information on time via emails. It is also a platform where they can manage and monitor all their emails. Operating like a typical emailing client, all the emails sent and received are displayed in inbox and outbox. You can forward emails, reply to them, archive them, and delete them.

    There is even an in-built calendar where you can set deadlines and meet them. If a user is getting disturbed by somebody, he can block him or snooze him. Likewise, certain emails and contacts can be added to favorites. In the task tab, you can also assign tasks as well as monitor and manage them. Some of its key features include a Graphical interface, personal ID, ability to add tags, intelligible dashboards, RSS feeds, ability to send voice mails, search option, and custom contact list.

    CloudEmail alternatives
13. 13
    
    KerjamailFree

    Kerjamail is an email hosting platform for businesses and enterprises that provides privacy and a secure solution to all issues related to confidentiality in the corporate sector. Organizations either big or small, can add all their employees on the platform and coordinate with them via emails. The main admin can run internal scans that will acknowledge all people in his contact list and send the email to all of them simultaneously.

    You can respond to emails, forward them, and delete them as well. Apart from the plain text, they can also send images, videos, audio, links, documents, and other files. Contrary to other email clients, users can get any domain name of their choice, giving them the professional outlook they need. Anybody using any web client can work on this platform. This can even be used to interact with customers and run email-based marketing campaigns. Some of its formidable features include No ads, team management tools, personal accounts, custom settings, account details, search engine, email drafting, email archives, and tags.

    Kerjamail alternatives
14. 14
    
    MeMailFreemium

    MeMail is webmail where you can communicate with anybody through an email address. The domain name of the email is totally in the hands of the user. Just put your desired domain name and the keyword in the given sections on the main page to get started. Users can add all the people from whom they send or receive emails to the contact list.

    Data security and privacy are guaranteed as the communication is SSL/TLS encrypted. An email can be forwarded, deleted, drafted, and archived. Multiple emails can be used at a time to receive and respond to emails. Users can even create private groups to work on projects more efficiently. Some of its key features include paid packages, fast service, compatibility with any device, email search engine, strong management tools, built-in calendar, ability to send multimedia, tasks list, and access from any web browser.

    MeMail alternatives
15. 15
    
    Mail2WorldFree

    Mail2World is an email client where you can communicate with anybody using emails. It can be used for both personal and professional use where you can send pictures, videos, links, and documents with plain text and perform text formatting. All the received multimedia data and links are saved in the platform’s drive from where they can be opened at any time. Its unified inbox ensures compatibility with any email client so all the emails regardless of the platform of your contacts appear in the same list.

    Another amazing feature is that multiple accounts can be used at a time where it is easy to manage and switch between them. You can also locate any lost contact or email by writing their keywords in the search bar. There is also an inbuilt calendar where you can schedule and plan your public and private events. Personal account, account management, beautiful interface, push notifications, ability to send multiple files with a single email, emojis, ability to add a signature, and sync support are some of its illustrious features.

    Mail2World alternatives
16. 16
    
    Atmail Email ServerPaid

    Atmail Email Server allows you to earn revenue by enhancing your email hosting experience and is a great match for service providers and telcos offering SME and consumer email platforms. It is the primary tool of many service providers and telcos, including popular ones like Singtel, arvig, Bezeq, LegalShield, stc, Optus, and many more. By signing up with it, you can get major benefits such as generating revenue, giving your email a modern look and functionality, and improve security and privacy, and reliability. The features related to UX include Responsive UI, fully-featured, Lazy loading, archiving with a single click, Live synchronization, and updating, delivering an innovative and newly designed interface based on the latest standards, and more.

    Atmail Email Server alternatives
17. 17
    
    NeoMailFree

    NeoMail is a prominent Instant Messaging service offered by Neopets to enable the community to communicate with each other. There are no fees involved, and friends can chat with each other without restrictions. You can send a mail by following a few simple and easy steps. Start by typing in the user name of the recipient, along with the subject, end it by writing in the message in the appropriate box and once done, click on Send.

    An important requirement is that the receiving person must be your friend because otherwise, it is not possible to send a message to them. Anyone can make friends by first knowing the username of that person and typing it in the NeoFriends section. The user will receive your request and can either accept or refuse it. Similar to this, other members can also send you a friendship request, after which it is up to you to accept or deny it.

    NeoMail alternatives
18. 18
    
    NaSMailFree

    NaSMail is a webmail package that is developed using the PHP programming language and offers complete support for well-known protocols like SMTP and IMAP and renders each and every page in HTML and a little bit of CSS and JS. The requirements are modest, and everyone can configure and install the package without hassle. It provides all the essential features expected from an email client and supports folder manipulation, address books, and MIME.

    There are many other functionalities worth talking about, such as Color themes, Cookieless mode, support for LDAP directory, RFC1521, Interface with multiple translations, and delivers email using Sendmail binary or SMTP, and more. You can also extend the functionality with plugins and get access to even more features like Notes, Graphical menu bar, Mailbox quota display, Email notifications, Message filtering, support for Mobile browsers, GPG support, Message source view, Personal calendar, Visual keyboard, TNEF support, import and export of Address book and more.

    NaSMail alternatives
19. 19
    
    NOCCFree

    NOCC is a decent webmail client developed using pure PHP that gives you webmail access to POP3 and IMAP and has an easy installation procedure because of no database requirement. Once installed, you are free to connect to POP3 and IMAP servers and can deliver mails using either external SMTP servers or local Sendmail installation.

    The webmail client is released under the Open Source License and is fully compatible with macOS, Microsoft Windows, Linux, and Unix. You can modify the fonts and colors without much effort through themes. It supports multiple languages, including Afrikaans, Aragonese, Arabic, Dutch, Korean, Italian, Norwegian, Georgian, Occitan, Marathi, Luxembourgish, Polish, Brazilian Portuguese, Nepali, Serbian, Ukrainian, Swedish, and many more.

    NOCC alternatives
20. 20
    
    ZeroMailFree

    ZeroMail is a feature-rich messaging suite that ensures high security using end-to-end encryption with peer-to-peer functionality and allows you to send mail to others without restrictions. You can send a new message by clicking on the button with the same name. You can write the words in the message body, enter the recipient details, and send it right away. All the messages that have been sent can be checked from the built-in section anytime. Mails can also be sent instantly by simply clicking on any of the contacts and completing the procedure.

    ZeroMail alternatives
21. 21
    
    CacoCloudFree

    CacoCloud is an open-source, minimalistic, quick, and secure self-hosted mail and feed reader and can also be used to manage bookmarks and passwords. It is written in PHP, and Angular JS contains a RESTful PHP backend and stores the information into an SQLite database. It is capable of being used on a Raspberry Pi thanks to the exceptionally fast slim backend.

    The confidential/sensitive data is protected 24/7 using strong encryption. You will definitely love its clean and intuitive User Interface that is one of the main talking points of the application. It ensures smooth performance on even a slow mobile network by transferring little data. You can host it anywhere desired. It reads your feeds and allows you to reduce time consumption by automatically cleaning up past feeds.

    You can manage most-visited bookmarks, and read the contents of the mail and give a response to them instantly, needing zero configuration of mail accounts on the devices. The login credentials are protected 24/7, and the encryption is done twice for maximum security. It supports bookmarks export into HTML or XBEL and also allows you to export feeds to OPML.

    CacoCloud alternatives
22. 22
    
    Webmail LiteFree

    Webmail Lite is a high-performance and quick webmail front-end that you can install/integrate on cPanel, IMAP mail server, or Plesk. It is open-source and, as such, charges no fees and allows you to modify the source code and contribute it for the sake of the community. The interface has a minimalistic design, provides access to a wide range of tools, and is developed using CSS3 and HTML5 technology. Developers are free to enhance various aspects of the application like Single-Sign-On, UI adjustments, and more using API and the Plug-in framework.

    You can run it on a secure HTTP server and send/receive communication blocks with a mail server over an SSL connection. The best feature is that you can link your Dropbox, Google, Facebook accounts with the email accounts and avoid having to enter email credentials when logging into Webmail Lite.

    It supports over 30 languages, and you can toggle RTL layout and use date and time formats. It supports a variety of document formats such as doc, .xslm, .dotm, .ppsm, .ppt, .xlsb, .potm, .docs, and opens them using the online viewer given by Microsoft. Other features include the ability to download attachments in the form of a zip file, identities with signatures, IMAP mailbox quotas support, enables the end-user to modify their passwords, and more.

    Webmail Lite alternatives
23. 23
    
    AtmailFree

    Atmail is a cloud-based webmail client which provides you a theme of your choice. Emails can be sent to and received from anyone regardless of his email client and can also include attached files such as pictures, videos, audio, and links. Users can also send emojis with these emails and perform text formatting. Multiple emails can be used on the platform and it is easy to switch between them.

    All the data received are saved in dedicated folders from where they can be found and shared with others. Similarly, users can create their own folders where they can arrange emails according to specific subjects or activities. The calendar can be used to meet and manage schedules and emails can also be drafted or deleted. Personal account, password protection, graphical interface, strong privacy, multilingual support, Password recovery, email forwarding, add to the favorite option, sync supported, data security, print option, and page download are some of its paramount features.

    Atmail alternatives
24. 24
    
    RainloopFreemium

    Rainloop is an easy-to-use, innovative, and quick web-based email client that has low requirements offers great performance, can be installed and upgraded in no time at all, and doesn’t require a database. It comes with a modern user interface and works well with SMTP and IMAP protocols, and these include some popular ones like STARTTLS and SSL. The email client supports sieve scripts, allows you to manage folders list, can be customized without hassle, can be integrated with Dropbox, Facebook, Twitter, and Google, and uses direct access to the mail server.

    It provides an administrative panel to make it easy for you to configure the primary options and has a multi-level caching system that is also configurable. The best feature is that you can add several accounts to the main one and access these accounts through browser tabs at the same time without any restrictions. Other notable characteristics include support for keyboard shortcuts, completes email addresses automatically, enables you to utilize keyboards shortcuts for maximum productivity, and functionality can be extended via plugins, and more.

    Rainloop alternatives