• Twimme NEW – Find out what giveaways, contests, coupons, discounts, freebies and more are being tweeted right now by twitter users.
  • Tweeple Pages – A user powered directory of Twitter users organized by their interests.
  • GeoFollow - Geo (location based) twitter user directory. (Add youself on twitter by sending @geofollow YOUR CITY, YOUR STATE YOUR ZIP #tag1 #tag2 #tag3. EG: @geofollow Walnut Creek, CA 94596 #directory #geek #people
  • MicroPlaza – Tribal Search, search the hot links shared on twitter and discover the trending topics.
  • tweetzi - Twitter Search & Trends - A search service for finding and teasing out useful info from the ‘Twittersphere’.
  • allyve.com - Only available in German. Create your personalized startpage and combine it with lots of other personalized widgets like myspace, facebook and other stuff from across the web to your page.
  • FAROO - A Peer-to-peer Web Search Engine, that integrates Twitter search to discover discussions and people related to the query.
  • FreeSearch - Find your friends on the web. Simply “follow” freesearch, tweet “@freesearch pete cashmore” or any other name, then wait a minute for the results!
  • Green Tweets - Tracks tweets about green & environmental topics based on semantic natural language analysis rather than keyword
  • Navgle.com - Universal Search of Twitter and Google Search with Naver.com’s UI Design
  • TweetJobSearch - Search jobs posted on Twitter
  • TweetFind.com - Twitter Directory to Find Twitter Accounts and Add Your Twitter for FREE.
  • Tweet Scan - Search public Twitter posts in real-time from the page or using Firefox’s search box. Find replies, track keywords, and sign up for daily/weekly email alerts.
  • Searching for Interesting Topics on Twitter - Search for comments and users that interst you. Great for finding people to connect with your personal interest.
  • Terraminds micro search - Search entire public timeline in realtime, fast & responsive! New: Twitter search API
  • Twellow.com: A People Directory - A directory of Twitter users categorized into hundreds of fields of interest. Allows user to login and categorize themselves.
  • TwiST — Twitter Search Tool, an easy-to-use interface to Twitter Search
  • TwitterTroll.com - Real-time Twitter search engine. Search through 1000s of indexed tweets everyday and find new friends.
  • Twitterment beta Combines Twitter apps with a search engine and graphing tools
  • TwitterSearch — Full text searching for the recent Twitter zeitgeist, complete with toy dude-heads. A must! Also maps posts via Twittermap!
  • Top News Trends - Top News Trends combines google trends data with twitter search.
  • Twitter.FM — Simple but multilingual full text search engine for Twitter, supports CJK, Arabec, etc. Country specified search is also provided in US.Twitter.FM, CA.Twitter.FM, UK,CN,JP,ES,TW,…more!
  • Twitterverse - a search and visualization project which mines and archives the public timeline of Twitter and provides a visualization of the most commonly used words in a given time period. Search Twitter by keyword.
  • TwitDir - A Twitter directory, no more. You are looking for someone, something? Just type a few words in the search engine. Enjoy!
  • MobiFeedLive.com Receive Keyword Based Email Alerts so you can see who is saying what about you… Also has Search, Link Metrics, and Trend Analysis…
  • Summize Twitter Search - Realtime twitter search with language restriction and threading built right in. Free API included.
  • Twitigg - See tweeted links Digg style.
  • Twubble — Recommends new people to follow based upon your existing follows
  • WhoShouldiFollow? — Recommends interesting people to follow based on your network, and supports searching for a location and adjusting for popularity.
  • picobuzz - Shows popular buzz words from the public timeline and who’s sayin’ them!
  • Intwition - Tracks what people are linking to and discussing on Twitter. Let’s you lookup and find tweets about any site. Provides an RSS feed to track tweets about any site as well.
  • Twitter Blacklist - Collects IDs of Twitter “spammer” accounts, those that follow thousands of users at random, in hopes they’ll reciprocate and open themselves up to direct-message access. Site offers an API, a Javascript bookmarklet for quick checking wither a given Twitter ID is a flagged spammer, and links to related resources such as a Greasemonkey script (for Firefox+Greasemonkey) that also auto-checks users against the blacklist.
  • twitter search -Twitter Search engine find through 1000s of indexed pages kuber twitter
  • FuelFrog - Use Twitter to keep a log of your fuel and mileage. Compare your mileage with others in your area, or with the same car.
  • TweetBeep.com - Twitter Email Alerts - Like Google alerts, but for Twitter! Save keyword searches and link/domain searches and be alerted by email when someone on Twitter mentions it! Free service, by @mdjensen
  • Tweetag - Browse the twittosphere with nested tagclouds and never miss any raising trend related to your favorite topics
  • FutureTweets - a free service that lets you schedule your Twitter messages. Send it at a specific time in the future or send a reoccuring Tweet daily, weekly, monthly or yearly! Handy if you’re in need of an alibi.
  • Twitturls Popular Twitter Links Tweeted err Twittered err Twhatever - Links / Pictures / Video - What’s hot on Twitter
  • TwiSpot.com – TwiSpot is a Topic-Based Social Exploration Tool based on Twitter. Stay updated and explore interesting new topics with the Hottest Tweets all in one spot.
  • Twithelp.me - Help people in the Twitter community find answers to things they want to know about. Search Twithelp.me for topics, then reply direct to anyone who you can help. You can set up RSS feeds too to be alerted of future Twithelps. If you want help, just include #twithelp in a tweet. (…think of it as Yahoo Answers for Twitter.)
  • PopularTweets.com - Browse the current top 10 most popular tweets, re-tweets, friends and followers on Twitter right now.
  • TweepSearch - Search Twitter bios, currently over 1 million indexed. Also provides the ability to search the bios of only those people following you.
  • TweeterLookup – The easiest way to lookup mutiple Twitter usernames at once from a list of email addresses, without having to input the list into your webmail accounts.
  • Android software tweets - Watch realtime tweets about Google Android phone(with database with older tweets)
  • BackTweets - Search for links on Twitter (even if they’ve been shortened)