Tweeting Places is a directory of places that tweet. Restaurants, hotels, coffee shops, universities etc. Presented in a sleek Google Maps mashup.

LocationTweet analyses twitter profile and Find out which country/region are the tweets coming from. This is a great tool if you are marketing something via twitter & want to see from where your followers are coming from. This is powered by Yahoo maps & all you need to do is put the id & click "Find Locations". This will quickly display all your tweets details like tweet detail, user & location details.

tweather is a Twitter / Google Maps mashup that lets users with geotagging enabled tweet the weather and view tweets about the weather from around the world on a real-time map.

WideNoise is the iPhone and iPod Touch application that samples decibel noise levels, and displays them on a worldwide interactive map. Every registered noise level is also tweeted, in order to raise awareness about noise pollution all around the world. With WideNoise you can monitor the noise levels around you, everywhere you go. You can also check the online map to see the average sound level read more...of the area around you. Do you live in a "sleeping cat area" or in a more noisy "rock concert area"?

Twuzzer lets you find out what's being twittered in your neck of the woods. Auto-refreshing Twitter updates from anywhere in the world.

TwitterFon is a simple, clean, easy to use, and is a superfast Twitter client for your iPhone and iPod Touch. TwitterFon is focused on ease of use and 80% of your daily Twitter tasks, such as see your friends/replies/messages timeline, see favorites, and send/reply a tweet. You can also search tweets, get twitter trends, upload photos to twitpic.com, and update your location information.

Twitter Vision is a cool mapping mashup showing a samping of tweets from the public timeline on a world map.

Twitter Planet shows the Twitter public timeline on a Virtual Earth map. v0.6 now works on Spaces, but the gadget is still best on Live.com.

TwitterMap is a Twitter/Google Maps mashup that shows Tweets in real-time on a map.