Top Topic Trackers

Last week we listed and categorized some of the leading topic-tracking toolsonthe Web. As usual we got a great response in the comments,withadditional information about the apps listed and suggestions forotherapps to add. So in this post we present an updated list of topic tracking toolsfor you to explore. Once again, we invite you to add more in thecomments and/or comment on the existing ones.We've also added links, tomake it easier for you to check these services


Feed and/or Email Services

These are services that output RSS and/or other formats, such asemailnotification. We think this type of topic feed tool is themostflexible, particularly when it outputs RSS. With RSS feed output,youcan do further filtering or grouping of the feeds inside an RSSreaderlike Google Reader or Netvibes.

• Collecta
  
• GigaAlert (limited free service)
  
• Google Alerts
  
• PubSub
  
• Regator
  
• Swamii (email only, no RSS)
  
• Topikality
  
• Trackle (email only, no RSS)
  
• Woofeed (email or mobile, no RSS; it also provides a publishing service for bloggers)
  
• Yahoo Pipes
  
• Yotify (email only)
  

تكبير الصورةتصغير الصورة تم تعديل ابعاد هذه الصورة. انقر هنا لمعاينتها بأبعادها الأصلية.
Destination Services

These services don't output RSS or emails for topic searches. That'snotnecessarily a bad thing, it just means you have to visit thedestinationsite to see results every day.

• Cascaad
  
• Ensembli (offers email digests)
  
• Guzzle.it
  
• LazyFeed
  
• My6Sense
  
• Technorati
  
• YourVersion
  

تكبير الصورةتصغير الصورة تم تعديل ابعاد هذه الصورة. انقر هنا لمعاينتها بأبعادها الأصلية.
Social Filter

These services show what is popular or new amongst theirrespectivecommunities. There are many other such services, so thefollowing isjust a sample:

• Delicious feeds
  
• Google Trends
  
• MashLogic
  
• Searchtastic ("smart Twitter search")
  
• Trendistic ("see trends in Twitter")
  
• Twazzup (Twitter search)
  
• Twitscoop (Twitter search)
  
• Twitter search (e.g. for hashtags)
  

Community Curated

Similar to social filter services, only these have a specificcommunitydriving the output of stories. Again, the below is a smallsample:

• Digg
  
• Hacker News
  
• Reddit
  
• Slashdot
  

People Curated

Topic-focused blogs (such as ReadWriteWeb!) are great for tracking topics on the Web. In recent times, light blogging services have offered an easy way for individuals or small groups of people to curate information on a given topic.See also: interesting post by Tony Karrer about "topic hubs" for bloggers.

• Favit (see also this follow-up post on the Favit blog for details about their topic tracking features)
  
• NewsCred
  
• Posterous
  
• Tumblr
  

Aggregators / Portals

These services aggregate, or group, news and other stories around a specific topic.

• Alltop
  
• BuzzFeed
  
• Eqentia
  
• Google Fast-Flip feeds
  
• icurrent
  
• LinksAlpha
  
• NewsTwit
  
• PopURLS
  
• SNS Touch
  
• Topix
  
• TopSite
  
• Tweetmeme
  
• ViewsFlow
  

Market Intelligence

Theseare professional brand management services that you typicallyhave topay for. Many of them include topic tracking. Here's a sample...

• Filtrbox
  
• PeopleBrowsr
  
• Trendrr
  

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