5 Most Popular Open Source Email Clients for Apple macOS in 2024
Reviews, comparison, screenshots and more for the 5 most popular open-source email clients for Apple macOS.
Email Client Screenshots
Mozilla Thunderbird
Mozilla Thunderbird is an open-source email client for Apple macOS and is written in the JavaScript & C++ programming language. The official description from its website says, "Access all your messages, calendars, and contacts in one fast app."
Apple Mail
Apple Mail is a closed-source and proprietary email client for Apple macOS. The official description from its website says, "Mail is an email client included by Apple Inc. with its operating systems macOS, iOS, iPadOS and watchOS... With Mail on iCloud.com, you can send and receive email from your iCloud Mail account using a web browser."
Claws Mail
Claws Mail is an open-source email client for Apple macOS and is written in the C (GTK) programming language. The official description from its website says, "Claws Mail is an email client (and news reader), based on GTK+..."
GNUMail
GNUMail is an open-source email client for Apple macOS and is written in the Objective-C programming language. The official description from its website says, "An email client for GNUstep."
Sylpheed
Sylpheed is an open-source email client for Apple macOS and is written in the C & GTK+ programming language. The official description from its website says, "Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client."
Email Client Comparison
Name | Description | Screenshot | Platforms | Language | Website | Wikipedia |
---|---|---|---|---|---|---|
Mozilla Thunderbird ⭐ Top Rated | Access all your messages, calendars, and contacts in one fast app. | Screenshot |
| JavaScript & C++ | Website | Wikipedia |
Apple Mail | Mail is an email client included by Apple Inc. with its operating systems macOS, iOS, iPadOS and watchOS... With Mail on iCloud.com, you can send and receive email from your iCloud Mail account using a web browser. | Screenshot |
| Proprietary | Website | Wikipedia |
Claws Mail | Claws Mail is an email client (and news reader), based on GTK+... | Screenshot |
| C (GTK) | Website | Wikipedia |
GNUMail | An email client for GNUstep. | Screenshot |
| Objective-C | Website | Wikipedia |
Sylpheed | Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client. | Screenshot |
| C & GTK+ | Website | Wikipedia |