FriendFeed
53 websites

FriendFeed is free to use

http://friendfeed.com

FriendFeed aims to be a one stop shop for all your social networking updates and news items. The four founders were all team members at Google and helped to launch such products as Google Maps, Adsense, GMail and Google Groups. They've br...

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Performable
41 websites

Performable offers both free and paid options

http://www.performable.com/

Hi,1. You can keep track of various items of itnreest by using RSS feeds but2. It may be easier to make bookmarks if you put Dates in their Name (and with TAGS or useful FolderNames) you can review and delete obsolete items3. You can Sav...

Market Share by Top Websites

2 In terms of market share, FriendFeed is clearly lagging behind, losing to Performable in all segments.

Websites Categories

1 Performable has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Finance, Health and 7 other categories.

2 FriendFeed is leading in Science & Education, Law & Government, Community & Society, E-commerce & Shopping and 2 other categories.

Geography

1 FriendFeed is leading in most countries, including Russia, Greece, Italy, Turkey and 8 other countries.

2 Performable is leading in United States, Philippines, China, Estonia and 3 other countries.