Mac OS X Softwares to Read Atom feeds

Feed Notifier is a lightweight desktop application for Windows and macOS that resides in your system tray or status bar, providing unobtrusive pop-up notifications for new items in your RSS and Atom feeds. Stay updated on your favorite websites and blogs without constantly refreshing.

Feedbro is a powerful and versatile browser extension for Chrome and Firefox that transforms your web browser into a local feed reader. It allows you to easily follow updates from websites, blogs, and social media platforms through RSS, Atom, and RDF feeds, providing a centralized and ad-free experience for consuming news and content.

QuiteRSS is a free, open-source, cross-platform RSS/Atom news feed reader featuring an integrated web browser, filtering options, notifications, and support for multiple languages. It's designed for efficient news consumption and organization.

RSSOwl is a cross-platform news aggregator designed to help users manage and read RSS and Atom feeds efficiently. It allows for offline reading, integrated browsing, powerful search capabilities, and filtering of content.

Feeder is a versatile web-based RSS feed reader designed to help users track and manage updates from their favorite websites, blogs, and news sources in one centralized location. Available as a web application and browser extensions, it offers a clean interface and powerful features for content aggregation.