• ArrivedOK - personal flight arrival tracker. Automatically alert others about your arrival via Twitter, blogs, by SMS or email - right in the moment you turn on your cell phone after landing. ArrivedOK tracks your phone when it registers in a local mobile network - and immediately tweets ‘Arrived OK’ message or sends it by email or SMS to the list of your recipients.
  • Tweetmapper - Give your tweets location by using the hashtag #at followed be a location (place, street, zipcode, country) as the last thing in your tweet. Get an embeddable widget to display on your blog or website.
  • TwtTRIP - A simple travel organizer. Add your travel plans. We find other tweeple traveling to the same destination. We find local tweetups (via @twtvite). We display your tweets during your trip. Embed widget on your blog/website. No username/password required. (By @twtapps)
  • Sat2Twitter - Send your position coordinates to your Twitter followers using a SPOT Messenger or other supported satellite device.

  • Bird.im - Sharing your bird sightings and birdwatching experience with the crowd via twitter. Bird species, date and location by @adaptive. (status @birdim)

  • TrainText.com - On-demand BART train times and information by direct messaging your request to @traintext