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 your favorite websites into a fun magazine-like experience and provides seamless integration with social networks.
Take back control of your newsfeed and filter out the noise! With Inoreader, information comes straight to you the minute it’s available. Follow your favorite websites, content creators, newsletters, and social media feeds.
Cross-platform RSS/Atom news feed reader written using Qt.
Tiny Tiny RSS is an open source web-based news feed (RSS/Atom) reader and aggregator, designed to allow you to read news from any location, while feeling as close to a real desktop application as possible.
NewsBlur is a personal news reader that brings people together to talk about the world. It shows you the original site and allows you to read stories directly off the site while keeping track of what you read. It also filters and highlights stories you like and dislike.
FreshRSS is a free, self-hosted RSS aggregator. It is quite lightweight, fast (it can manage +100k articles without complaining) and powerful (e.g. shortcuts, filters, responsive design, multi-views, multi-themes, multi-users, statistics, provides a Google Reader API, etc.)
Netvibes is a multi-lingual Ajax-based personalized start page or personal web portal much like Pageflakes, My Yahoo!, iGoogle, and Microsoft Live.
Feeder is a fully free/libre feed reader. It supports all common feed formats, including JSONFeed. It doesn't track you. It doesn't require any setup. It doesn't even need you to create an account!
Liferea is a web feed reader/news aggregator that brings together all of the content from your favorite subscriptions into a simple interface that makes it easy to organize and browse feeds.