Google Reader is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is QuiteRSS, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Reader and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Google Reader are Reeder (Paid), Feedbin (Paid, Open Source), Feeder (Freemium) and NetNewsWire (Free, Open Source).
RSS Guard is simple, light and easy-to-use RSS/ATOM feed aggregator developed using Qt framework which supports online feed synchronization with these features: support for online feed synchronization via plugins, • Tiny Tiny RSS (RSS Guard 3.0.
Looking for a simple and open feed reader? Free, open source, easy to use, Sismics Reader is what you need to keep your feeds under control. Central Access all your RSS and Atom feeds in one central easy readable place.
ReadKit is a full-featured news reader and read later client that supports services from Instapaper, Pocket, Pinboard, Feedly, Fever, NewsBlur, Feedbin and Feed Wrangler and has built-in RSS capabilities.