TypeApp Alternatives for Mac OS X

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.

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

Apple Mail is an email client included with the operating systems macOS, iOS and watchOS by Apple Inc.

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.

Opera Mail (formerly known as M2) is the email and news client developed by Opera Software.

Inky is an email client for Microsoft Windows, macOS, iOS, and Android.

Airmail is a fast mail client for Mac and iPhone.

Newton is a multi-platform email client which supports multiple email providers.

Spark is a fast, smart mail manager app.

Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform.

MailMate is an IMAP email client for macOS featuring extensive keyboard control, Markdown integrated email composition, advanced search conditions.