SkyVector is the most popular flight planner to view aeronautical charts online. Always current, and always free, FAA Sectional Charts are used for VFR flight planning anywhere in ths US. Terminal Area Charts cover only areas around major Class B Airports.
OpenVSP (Vehicle Sketch Pad) is a geometry modeling tool for conceptual aircraft design. The software rapidly models aircraft configurations without expending the expertise required for traditional Computer Aided Design (CAD) packages.
United States
