Claws Mail icon

Top Alternatives to Claws Mail

Looking for Claws Mail alternatives? We've curated 23 top alternatives that offer similar functionality. Whether you need options, free plans, or open source solutions, explore our comprehensive list to find the perfect fit for your needs.

Open Source

Claws Mail Alternatives

Below you'll find the best alternatives to Claws Mail. We've analyzed these options based on features, user ratings, and compatibility to help you find the right solution. Each alternative offers unique advantages that might better suit your specific needs and budget.

Thunderbird

Thunderbird

Open Source Office & Productivity Email Client

Thunderbird is a free, open-source email client developed by the Mozilla Foundation, offering robust features for managing multiple email accounts, integrated chat, and RSS feeds. Known for its extensibility and focus on user privacy and security.

Unique Features

  • Excellent multi-account management.
  • Strong focus on user privacy and security.
  • Highly customizable through extensions.

Compared to Claws Mail

Excellent multi-account management. compared to Claws Mail
Default user interface can feel dated to some. unlike Claws Mail
Microsoft Office Outlook

Microsoft Office Outlook

Commercial Office & Productivity Desktop Application

Microsoft Outlook is a comprehensive personal information manager designed for managing email, contacts, calendars, and tasks.

Unique Features

  • Comprehensive suite for managing email, calendar, contacts, and tasks in one application.
  • Deep integration with Microsoft Exchange and Microsoft 365, ideal for corporate environments.
  • Robust features for organizing and filtering emails.

Compared to Claws Mail

Comprehensive suite for managing email, calendar, contacts, and tasks in one application. compared to Claws Mail
Can have a steep learning curve for new users due to the abundance of features. unlike Claws Mail
Reeder

Reeder

Commercial News & Books Desktop Application

Reeder is a sleek and powerful RSS reader designed for macOS and iOS users. It provides a streamlined way to subscribe to your favorite news sources, blogs, and podcasts, offering offline reading, multiple account support, and integration with popular RSS services like Feedly.

Unique Features

  • Clean and minimalist user interface focused on reading.
  • Excellent offline reading capabilities.
  • Seamless integration with popular third-party RSS services.

Compared to Claws Mail

Clean and minimalist user interface focused on reading. compared to Claws Mail
Exclusive to the Apple ecosystem (macOS and iOS). unlike Claws Mail
Mailbird

Mailbird

Freemium Office & Productivity Desktop Email Client

Mailbird is a powerful and intuitive desktop email client for Windows, designed to streamline your email workflow and centralize your digital communication with a clean interface and built-in app integrations.

Unique Features

  • Unified inbox for multiple email accounts
  • Integrated sidebar with productivity and social apps
  • Clean and customizable user interface

Compared to Claws Mail

Unified inbox for multiple email accounts compared to Claws Mail
Subscription model required for full feature access unlike Claws Mail
Apple Mail

Apple Mail is the default email client for macOS, iOS, and watchOS, offering a seamless and integrated email experience across Apple devices with features like rich text editing, multiple account support, and robust organization tools.

Unique Features

  • Seamless integration with the Apple ecosystem across devices.
  • Clean and intuitive user interface that is easy to navigate.
  • Bundled with Apple operating systems, no separate installation required.

Compared to Claws Mail

Seamless integration with the Apple ecosystem across devices. compared to Claws Mail
May lack some advanced features and customization options found in third-party clients. unlike Claws Mail
eM Client

eM Client

Free Personal Office & Productivity Email Client

eM Client is a comprehensive email client for Windows and macOS, integrating email, calendar, contacts, tasks, and chat into a single application. It offers robust features for managing multiple accounts, advanced security options, and a user-friendly interface, making it a powerful alternative to other popular email applications.

Unique Features

  • Integrates email, calendar, contacts, tasks, and chat in one place.
  • Extensive support for various email and organizational services (Exchange, Gmail, iCloud).
  • Includes strong email encryption options (PGP, S/MIME).

Compared to Claws Mail

Integrates email, calendar, contacts, tasks, and chat in one place. compared to Claws Mail
Free version limits functionality and the number of accounts. unlike Claws Mail
K-9 Mail

K-9 Mail

Open Source Office & Productivity Email Client

K-9 Mail is a free and open-source email client for Android, renowned for its focus on privacy, security, and extensive customization options. It supports multiple account types including IMAP, POP3, and Exchange.

Unique Features

  • Strong focus on privacy and security (ad-free, PGP support)
  • Extensive customization options for power users
  • Supports multiple account types (IMAP, POP3, Exchange)

Compared to Claws Mail

Strong focus on privacy and security (ad-free, PGP support) compared to Claws Mail
User interface can feel overwhelming for new users unlike Claws Mail
Evolution

Evolution

Open Source Office & Productivity Desktop Application

Evolution is a comprehensive personal information manager for the GNOME desktop environment, designed to manage emails, contacts, calendars, and tasks. It provides a unified interface for various communication and organizational needs.

Unique Features

  • Comprehensive feature set for PIM.
  • Good integration of email, calendar, contacts, and tasks.
  • Strong support for email encryption and spam protection.

Compared to Claws Mail

Comprehensive feature set for PIM. compared to Claws Mail
User interface can feel somewhat dated. unlike Claws Mail
Postbox

Postbox

Commercial Office & Productivity Email Client

Postbox is a powerful and customizable email client designed for professionals managing high volumes of email. It offers robust features for organizing, searching, and managing multiple accounts efficiently, enhancing productivity through a clean interface and advanced tools.

Unique Features

  • Excellent multi-account management with unified inbox.
  • Powerful and fast unified search across emails and attachments.
  • Seamless integration with major cloud storage services.

Compared to Claws Mail

Excellent multi-account management with unified inbox. compared to Claws Mail
Lacks integrated calendar or comprehensive task management features. unlike Claws Mail
Geary

Geary

Open Source Office & Productivity Email Client

Geary is a modern email client designed for the GNOME desktop, emphasizing a conversational view for streamlined email management. It offers a clean interface, supports multiple accounts, and integrates with the GNOME environment to provide a cohesive user experience for organizing and sending emails.

Unique Features

  • Clean and intuitive user interface.
  • Strong emphasis on conversation view.
  • Seamless integration with GNOME.

Compared to Claws Mail

Clean and intuitive user interface. compared to Claws Mail
Limited set of advanced features. unlike Claws Mail
The Bat

The Bat

Commercial Office & Productivity Email Client

The Bat! is a secure and powerful email client for Windows designed for users who prioritize privacy, speed, and efficient email management, especially for handling large mail volumes.

Unique Features

  • Excellent privacy and security features, including strong encryption support.
  • Handles large volumes of email efficiently.
  • Highly customizable with powerful filtering and scripting options.

Compared to Claws Mail

Excellent privacy and security features, including strong encryption support. compared to Claws Mail
Outdated interface compared to modern email clients. unlike Claws Mail
Sylpheed

Sylpheed

Open Source Office & Productivity Desktop Client

Sylpheed is a free and open-source email and news client known for its lightweight design and speed, focusing on usability and efficient handling of large email collections without burdening system resources.

Unique Features

  • Extremely fast and lightweight.
  • Highly stable and reliable.
  • Efficiently handles very large email databases.

Compared to Claws Mail

Extremely fast and lightweight. compared to Claws Mail
Basic, dated user interface. unlike Claws Mail
Mutt

Mutt

Open Source Office & Productivity Email Client

Mutt is a highly configurable, text-based email client for Unix-like systems. It offers powerful features for advanced users who prefer a lightweight and efficient email management experience directly from the command line.

Unique Features

  • Extremely fast and lightweight.
  • Highly customizable to individual workflows.
  • Excellent for power users and command-line enthusiasts.

Compared to Claws Mail

Extremely fast and lightweight. compared to Claws Mail
Steep learning curve due to command-line interface. unlike Claws Mail
Zimbra Desktop

Zimbra Desktop

Free Personal Office & Productivity Desktop application

Zimbra Desktop provides a unified interface for managing multiple email accounts, calendars, tasks, and contacts offline. It supports various protocols like IMAP, POP, CalDAV, and CardDAV, offering a comprehensive personal information management solution.

Unique Features

  • Unified inbox for multiple accounts streamlines email management.
  • Offline access to emails, calendars, and contacts is highly convenient.
  • Supports a wide range of standard protocols (IMAP, POP, CalDAV, CardDAV).

Compared to Claws Mail

Unified inbox for multiple accounts streamlines email management. compared to Claws Mail
Interface, while functional, may appear dated compared to newer clients. unlike Claws Mail
OpenProject

OpenProject

Open Source Business & Commerce Project Management

OpenProject is a powerful, web-based open-source project management software designed for teams of all sizes. It offers comprehensive tools for managing projects, tasks, teams, and communication in one centralized platform. Ideal for organizations prioritizing collaboration, flexibility, and data control.

Unique Features

  • Comprehensive suite of project management tools in one platform.
  • Strong support for Agile methodologies (Scrum and Kanban).
  • Open-source, providing data control and flexibility.

Compared to Claws Mail

Comprehensive suite of project management tools in one platform. compared to Claws Mail
Initial learning curve due to the breadth of features. unlike Claws Mail
Kontact - KMail

Kontact - KMail

Open Source Office & Productivity Email Client

KMail is a powerful and flexible email client tightly integrated with the Kontact personal information manager suite. Part of the KDE ecosystem, it offers robust features for managing your email, including strong encryption options, support for multiple protocols like IMAP, POP3, and Exchange, and seamless integration with other Kontact components like the calendar and address book.

Unique Features

  • Robust support for various email protocols (IMAP, POP3, Exchange).
  • Strong built-in email encryption capabilities (OpenPGP, S/MIME).
  • Seamless integration with Kontact suite components like calendar and address book.

Compared to Claws Mail

Robust support for various email protocols (IMAP, POP3, Exchange). compared to Claws Mail
Can be complex for new users due to the number of features and settings. unlike Claws Mail
Open365

Open365

Open Source Office & Productivity Productivity Suite

Open365 is a comprehensive, open-source productivity suite offering cloud storage, office applications, and communication tools. Built upon a foundation of open-source technologies like KDE, Seafile, and LibreOffice, it provides a robust alternative to proprietary solutions, emphasizing privacy and control.

Unique Features

  • Open-source and transparent
  • Includes well-known and mature open-source software
  • Good compatibility with Microsoft Office formats

Compared to Claws Mail

Open-source and transparent compared to Claws Mail
Integration between components can feel less polished sometimes unlike Claws Mail
Cronycle

Cronycle

Freemium Business & Commerce Web Application

Cronycle is a robust collaborative research platform designed for professionals. It streamlines content discovery, curation, and collaboration, enabling teams to efficiently gather, analyze, and share insights from vast amounts of information.

Unique Features

  • Excellent content aggregation from diverse sources.
  • Robust content curation and organization tools.
  • Strong real-time collaboration features for teams.

Compared to Claws Mail

Excellent content aggregation from diverse sources. compared to Claws Mail
May have a learning curve for power users. unlike Claws Mail
Spark

Spark

Free Office & Productivity Email Client

Spark is a powerful and intelligent email client designed to enhance your productivity and streamline your inbox management. It offers a range of features like smart inbox organization, email scheduling, and integrations with popular services, making it a comprehensive solution for busy professionals and individuals alike.

Unique Features

  • Intelligent Smart Inbox for better organization.
  • Clean and user-friendly design.
  • Useful productivity features like scheduling and snoozing.

Compared to Claws Mail

Intelligent Smart Inbox for better organization. compared to Claws Mail
Some advanced features may require a paid subscription. unlike Claws Mail
Microsoft Mail and Calendar

Microsoft Mail and Calendar is the default email and calendar client included with Windows, providing integrated tools to manage your communications and schedule.

Unique Features

  • Free and pre-installed with Windows
  • Simple and easy-to-use interface
  • Seamless integration with Windows and other Microsoft services

Compared to Claws Mail

Free and pre-installed with Windows compared to Claws Mail
Lacks advanced features compared to other email clients unlike Claws Mail
MailMate

MailMate

Commercial Office & Productivity Email Client

<p>MailMate is a powerful, keyboard-centric IMAP email client for macOS designed for users who demand advanced email management capabilities and a highly customizable workflow, featuring strong Markdown integration and robust search features.</p>

Unique Features

  • Excellent IMAP performance and reliability.
  • Powerful Markdown integration for email composition.
  • Advanced search capabilities and smart mailboxes.

Compared to Claws Mail

Excellent IMAP performance and reliability. compared to Claws Mail
IMAP protocol only, no Exchange support. unlike Claws Mail
Foxmail

Foxmail is a robust and user-friendly freeware email client for Windows. It offers comprehensive support for popular email protocols like POP3, IMAP, and Exchange (ActiveSync), providing a centralized platform for managing multiple email accounts. Key features include a portable option, calendar integration, and time-saving mouse gestures.

Unique Features

  • Completely free with no hidden costs.
  • Supports POP3, IMAP, and Exchange (ActiveSync).
  • Offers a portable version for use on the go.

Compared to Claws Mail

Completely free with no hidden costs. compared to Claws Mail
Interface may feel dated compared to some modern clients. unlike Claws Mail
TypeApp

TypeApp

Free Personal Office & Productivity Email Client

TypeApp is a sophisticated mobile email client designed for managing multiple email accounts effortlessly. It provides a unified inbox, push notifications, calendar integration, and a range of features to enhance email productivity on the go.

Unique Features

  • Excellent multi-account management
  • Unified inbox for streamlined viewing
  • Reliable push notifications

Compared to Claws Mail

Excellent multi-account management compared to Claws Mail
Lacks advanced collaboration tools unlike Claws Mail

Compare Side-by-Side

Want to see how Claws Mail stacks up against alternatives? Select any option below for a detailed side-by-side comparison.

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare

Compare features, pricing, and reviews between these alternatives.

Compare