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Atmosculator Atmosculator is an application, written using Cocoa & Objective-C, that calculates key properties of the Earth's atmosphere as a function of altitude using the 1976 Standard Atmosphere Model. EarthGlobe EarthGlobe is a real-time, OpenGL rendered globe. Designed as a sister application to MoonDock - it provides a lightweight view of the Earth day-light/seasonal cycles and takes up few system resources so it can be left running on your desktop. Geotagger Geotagger is a droplet for inserting GPS coordinates into your photos. Simply position Google Earth (version 4 only) over the location you wish to insert into your images, then drag your images (jpegs only) onto the Geotagger icon. Once the images are tagged the information stays with them so you can import them to iPhoto, upload them to Flickr or Panoramio or any number of other things. Globe Browser Globe Browser is a small free application for browsing the animations on Globe.gov, which are used by scientists, teachers, and students to research the enviroment. GPSBabel GPSBabel converts waypoints, tracks, and routes from one format to another, whether that format is a common mapping format like Delorme, Streets and Trips, or even a serial upload or download to a GPS unit such as those from Garmin and Magellan. By flattening the Tower of Babel that the authors of various programs for manipulating GPS data have imposed upon us, it returns to us the ability to freely move our own waypoint data between the programs and hardware we choose to use. GpsDrive GpsDrive is a car (bike, ship, plane) navigation system. GpsDrive displays your position provided from your NMEA capable GPS receiver on a zoomable map. GPSPhotoLinker GPSPhotoLinker can be used to save location and GPS position data to a photo. The latitude and longitude recorded by your GPS unit while you were taking photos can be linked, and saved, to the photos. GPSPhotoLinker automatically enters the city, state, and country annotations into the metadata. GRASS OpenOSX Grass is a free stand-alone application, requiring zero-installation now PowerPC and Intel native that is based on the proven open source GRASS GIS 6.2.1, which is a complete Geographic Information System (GIS). Read more GRASS GIS Commonly referred to as GRASS, this is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies. MapMemo (shareware) MapMemo allows you to drag your files onto any graphic (map, photo, scan, illustration, screenshot, etc.), and thus give them a visual, location-based relation. It uses only aliases of your files which, when you click on an appropriate location, will open in their original application. You can use layers, info windows, colors, and comment fields to organize your files on the map. Mr. Tides Mr. Tides displays tide and current information for a variety of locations around the world. SeisMac SeisMac is an application that makes your MacBook or MacBook Pro into a seismograph. It access your laptop's Sudden Motion Sensor in order to display real-time, three-axis acceleration graphs. SeisMaCalibrate SeisMaCalibrate is a Mac OS X Cocoa application that calibrates your Macintosh laptop's Sudden Motion Sensor. Once calibrated, my seismology tool SeisMac will be much more accurate. SeisMaCalibrate is based on SMSLib, my open-source Sudden Motion Sensor access library. Terrabrowser (shareware) Terrabrowser is an internet browser for satellite photos and topographical maps which are obtained from the Microsoft Terra Server web site. The map data is provided by the U.S. Geological Survey (USGS) and therefore only covers the United States at this time (although expansion to other map servers may occur in the future). TerraVista TerraVista is an application which shows you where on earth it is currently day and where it is night. And it does so in a graphically pleasing way by drawing even the night side (though that can be turned off).
