Shrook is a full-featured RSS reader that's completely free - no ads, no spyware. And if you want to access your feeds on another Mac, iPhone, iPad or any web-connected PC, just get a shrook.com account for painless synchronization.

Features:

• Quick subscription - Shrook supports feed: links, which allow you to add a feed to Shrook just by clicking a link on a web page.
• Twitter reading and posting - Follow all your Twitter friends in Shrook.
• Instant Notifications - Built-in support for Growl
• Spotlight support - Items from your feeds appear in Spotlight search results.
• No Browser Required - View webpages directly in Shrook.
• Smart Groups - Define almost any combination of rules to pick out items you want, all updated in real time.
• Scrapbooks - Save individual items to look at later.
• Blogging Integration - Use external blog editors directly from Shrook
• Real-time search - Enter a word into Shrook's search box, and the list of feeds or items instantly reduces to those matching the search.
• Secure access - Shrook provides access to private feeds via HTTPS encryption (including self-signed) and password protection. Passwords are stored securely in your Keychain. It also shares credentials with Safari, so if you log in there you can read private feeds in Shrook.
• Feed Guide - Shrook comes with an integrated feed guide to help you find new sites. It's loaded from the web, so it's always up to date.

Requirements:
OS X 10.7+
64-bit Intel