Alternatives to Claws Mail for all platforms with any license

  • Thunderbird icon

    Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after...

    Open Source Mac Windows Linux BSD Haiku

  • Feedly icon

    Feedly

    Feedly is a better way to organize, read and share the content of your favorite sites. It weaves the content from the RSS feeds of...

    Freemium Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Apple Watch Chrome Kindle Fire

  • Inbox by Gmail icon

    Inbox by Gmail

    Built on everything that we've learned from Gmail, Inbox is a fresh start that goes beyond email to help you get back to what...

    Free Web / Cloud Android iPhone Chrome OS iPad Chrome

  • K-9 Mail icon

    K-9 Mail

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration...

    Open Source Android Android Tablet

  • RSSOwl icon

    RSSOwl

    RSSOwl collects data from RSS-compliant sites are called RSS readers or "aggregators. RSSOwl lets you gather, organize, update...

    Open Source Mac Windows Linux

  • QuiteRSS icon

    QuiteRSS

    Features: Feed and news filters: new, unread, starred, deleted (for news until restart application) User filters ...

    Open Source Mac Windows Linux BSD

  • Reeder icon

    Reeder

    Reeder is an RSS reader and client for multiple services like: Feedly , Feedbin , ...

    Commercial Mac iPhone Windows Phone iPad

  • Mailbird icon

    Mailbird

    The Best Email Client for Windows 7, 8 & 10 - Mailbird is more than just another email client. It's an all-in-one...

    Freemium Windows

  • Postbox icon

    Postbox

    Postbox is an email application that helps you organize your work life and get stuff done. It has all the elegance and simplicity...

    Commercial Mac Windows

  • Evolution icon

    Evolution

    Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail...

    Open Source Linux BSD GNOME

  • Opera Mail icon

    Opera Mail

    Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports...

    Free Mac Windows

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  • Geary icon

    Geary

    Geary is an email application built for GNOME 3. It allows you to read and send email with a simple, modern interface.

    Open Source Linux BSD GNOME

  • AOL Reader icon

    AOL Reader

    AOL Reader: All your favorite websites, in one place. Customizable Tweak AOL Reader's layout to your liking. View your...

    Free Web / Cloud Android iPhone

  • Sylpheed icon

    Sylpheed

    Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA). Sylpheed runs on many systems such...

    Open Source Mac Windows Linux BSD

  • The Bat icon

    The Bat

    The Bat! is a secure email client software, built to protect your correspondence against third-parties.

    Commercial Windows

  • Windows Live Mail icon

    Windows Live Mail Discontinued

    Windows Live Mail (formerly named Windows Live Mail Desktop) is a freeware email client from Microsoft. It is the successor to Outlook...

    Free Windows

  • Open365 icon

    Open365

    The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better...

    Open Source Mac Windows Linux Android iPhone Self-Hosted

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  • Mutt icon

    Mutt

    Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message...

    Open Source Mac Windows Linux Xfce

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts...

    Free Personal Mac Windows Linux

  • Newton icon

    Newton

    Newton (previously CloudMagic) is a fully featured mail client available for Android, iOS and macOS. Works for watch too. It's...

    Commercial Mac Android iPhone Android Tablet iPad Apple Watch ... Android Wear

  • RSSdose icon

    RSSdose

    Your daily dose of syndicated stories. Read as you are used to: our interface provides easy to remember shortcuts. If you have...

    Commercial Web / Cloud Android Android Tablet

  • Spark icon

    Spark

    E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various...

    Free Mac iPhone iPad Apple Watch

  • FossaMail icon

    FossaMail

    FossaMail is an Open Source, Mozilla Thunderbird -based mail, news and chat client for Windows and Linux, brought to you by...

    Open Source Windows Linux

  • Trojitá icon

    Trojitá

    Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values...

    Open Source Windows Linux

  • Mail icon

    Mail

    Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now...

    Free Windows

  • Foxmail icon

    Foxmail

    Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems.

    Free Windows

  • Cronycle icon

    Cronycle

    Cronycle is a content research platform for professionals. Create custom feeds to keep up to date on any topic you choose, and then...

    Freemium Web / Cloud iPhone

  • ALTO Mail icon

    ALTO Mail

    Alto Mail makes managing your email easy again. Add all your mail accounts to our app (including Gmail, Outlook, Yahoo!, AOL Mail...

    Free Web / Cloud Android iPhone Android Tablet iPad

  • Mail Wise icon

    Mail Wise

    Mail Wise – Read Just What You Need. The best conversation threads ever. A free email client that transforms messy emails into clean...

    Freemium Android

  • Kontact - KMail icon

    Kontact - KMail

    KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager...

    Open Source Mac Windows Linux BSD

  • Feederator icon

    Feederator

    Online RSS Aggregator / Feed Reader with article filtering, programmatic editing, full-text search. Supports OpenID Logins.

    Free Web / Cloud

  • sup icon

    sup

    Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic...

    Open Source Linux

Claws Mail Comments

Installation (Windows)

Negative Comment by snakyjake4
about Claws Mail Oct 2015

The installation puts files everywhere, not compact.

Reply

Meh....

Comment by DanMan
about Claws Mail May 2015

Doesn't look good on Windows. You can tell it's made for Linux, really. It has a lot of settings though and seems pretty quick. Couldn't get the GPG stuff working, so I uninstalled it.

Reply