Poly Bridge 2 lets you rediscover your engineering creativity with hours of puzzling fun. The app lets you unleash your engineering creativity with an engaging and fresh bridge-building simulator. You will enjoy hours of physics-based puzzle solving in the Campaign and then you may jump in the Sandbox to create your own bridge designs and puzzles.
SkyChart III is a planetarium and telescope control program that shows the sky from any location, past or future, on Earth or beyond.
