Editing Planar graph (section)

==External links==
{{commons category|Planar graphs}}
*[http://jgaa.info/accepted/2004/BoyerMyrvold2004.8.3/planarity.zip Edge Addition Planarity Algorithm Source Code, version 1.0] &mdash; Free C source code for reference implementation of Boyer–Myrvold planarity algorithm, which provides both a combinatorial planar embedder and Kuratowski subgraph isolator. An open source project with free licensing provides the [https://code.google.com/p/planarity/ Edge Addition Planarity Algorithms, current version].
*[http://pigale.sourceforge.net Public Implementation of a Graph Algorithm Library and Editor] &mdash; GPL graph algorithm library including planarity testing, planarity embedder and Kuratowski subgraph exhibition in linear time.
*[http://www.boost.org/doc/libs/1_40_0/libs/graph/doc/planar_graphs.html Boost Graph Library tools for planar graphs], including linear time planarity testing, embedding, Kuratowski subgraph isolation, and straight-line drawing.
*[http://www.cut-the-knot.org/do_you_know/3Utilities.shtml 3 Utilities Puzzle and Planar Graphs]
*[http://ccl.northwestern.edu/netlogo/models/Planarity NetLogo Planarity model] &mdash; NetLogo version of John Tantalo's game

[[Category:Planar graphs| ]]
[[Category:Graph families]]
[[Category:Intersection classes of graphs]]