Outdoors & Sky
Sun, shade, and sky tools for gardens, sites, and trips.
Planisphere Maker Turn the wheel to tonight, and the sky lines up. 
Sundial Designer A dial drawn for your latitude, ready to print. 
GPS Coordinate Converter Any coordinate format in, every format out. 
Interactive Star Chart The sky above any place, at any moment. 
Magnetic Declination Calculator How far your compass is from the truth, here and now. 
GPX Track Viewer Your route in 3D, with the climb laid bare. 
Sun Path and Shadow Simulator Where the light lands, any day of the year.