c# library, .net library, software library, library, software librariers, libraries, algorithmic solutions, yworks, yfiles usa, yfiles us, leda usa, leda us, yfiles, leda, yfiles.net, geometry, graph drawing, diagramming, gis, visualization, cryptography, layouting,data compression, compression, optimization, algorithm, algorithms, network, networks, diagram, polygon,graph, layout, software, development, b data structures, data types, api,c++, c#, .net, java, isomorphisms, object-oriented, automatic, visualize, graphics, goal, graph objects and algorithms library

quappa is a subsidiary of algorithmic solutions, germany, andaims to attend to leda customers on the american market.