RSS 2.0 - Update

"RSS 2.0" is almost a pleonasm. RSS is everywhere, and where it isn't it will be. It already makes that content unbundles, and it will do the same with services.

Alertbear - Customize your feeds
Alesti - Feed reader
Almondrocks - Share feeds
Anothr - Manage & read feeds in Skype messenger
Atiki - Tag based feed search
Attensa - Read & share feeds enterprise-wide through Outlook
Beanrocket - News reader
Beeplet~ - Set up reminders & get alerts
Blastfeed - Only get the feeds that matter to you
Blogbridge - Feed reader
Blogexpress - Feed reader
Bloglines - Feed reader
Egress - Mobile RSS reader
Evolvepoint - Create, track or find feeds
Febber~ - Enterprise RSS aggregation solutions
Feed43 - Web page & Blog2RSS
Feedbite - Share, bundle & syndicate your feeds
Feedblendr - Blend several feeds into 1
Feedburner - Manage your rss & podcast feeds
Feedbutler - Social feed reader
Feedcollectors - Collects & socializes your feeds
Feedcraft - Create, manage, deliver & track feeds
Feedcrier - Get RSS news alerts through your IM
Feedcycle - Serialize your feeds
Feeddigest - Mix, filter & republish or syndicate feeds on your website
Feedfeeds - RSS reader (Ajax)
Feedicon - Create your feed icon - RSS

Feedity - Web2rss
Feedlet - Feed reader
Feedlinx - Find feeds on any website
Feedlounge - Feed reader
Feedmailr - Feed2mail
Feedmeme - Share feed apps
Feedostyle - Personalize your feeds
Feedpass - Create a landing page for your RSS feeds
Feedpath - Social feed reader
Feedping - Submit your feed to major directories
Feedrinse - Filter your most interesting feeds
Feeds20 - Folksonomied feed reader
Feeds2be - Create feeds from websites that don't have any
Feeds4all~ - Feed aggregator
Feedshow - Feed reader + shares rev with publishers
Feedtier - Web page & Blog2RSS
Feedwhip - Track changes on your favourite websites
Feedxs~ - Create personal feeds (without website), submit thru messenger
Feedyes - Gives feeds to sites without feeds
Flitic - Manage, tag & find feeds
Fwicki - Create & share your feed experience
Googlereader - Feed reader
Grazr - Compile your own RSS widget
Gregarius - Feed reader
Humanizedreader - Feed aggregator with decent design
Immediat - Messenger notifications of feeds
Instantfeed - Messenger notifications of feeds
Istalkr - Aggregate & organize rss services that you & your friends subscribe to
Kickrss - Blend several feeds into 1
Linkrss - Create, store & syndicate your own rss feeds
Mappedup~* - Map your feed sources geographically
Metaweather - Put aggregated weather feeds on your site
Mobispine - Mobile feed browser
Newsgator - RSS aggregation platform
Newzpile - Aggregates tags-based feeds from many sources
Nooked - Manage & commercialize your feeds
Octora - Search & share feed bookmarks
Odiogo - Convert feeds to speech
Omea - Manage & enhance your feeds
Ozmozr - Import, store, share & manage feeds in bulk or individually
Peoplefeeds - Aggregate personal content
Pheedfire - Manage, measure & monetize your feeds
Podbasket - Converts audio into feeds
Ponyfish - Create feeds from any website
Publish - Create feed from anywhere
Queoo - RSS to email, messenger
Rapidfeeds - Publish feeds without tech know-how
Reblogger* - Collect, filter, sort, index & publish feeds
Refilter - Filter your feeds
RSS2PDF - Convert feeds to PDF
RSSbandit - Feed reader
RSSbus - Connect & share your data thru feeds
RSSfwd - RSS to email
RSShut - Read & search feeds
RSSmad - Feed reader & archive
RSSor - Collect, read & share feeds
RSSreader - Feed reader
Simplefeed - RSS-based marketing solutions
TinytinyRSS - Feed reader
Ufeed - Get RSS feeds in your own page
Worklight - Feed reader widget also connecting to intranet
Wotzwot - HTML2RSS
Xfruits* - Mix, make & share feeds
Yodpod - Feed reader
Yutter - RSS feed2email subscription
Zaptxt - RSS to email, sms, messenger

Italic = new. Update 061224, 070119, 070303, 070517 (corrected 070527).