Graph Editor

Graph Editor is a graph creation and visualization tool for competitive programming. It helps users create directed and undirected graphs, edit vertices and edges, and export graphs in programming-contest input formats.

競技プログラミング向けのグラフ作成・可視化ツールです．頂点や辺を直感的に編集し，AtCoder などで使いやすい入力形式に変換できます．

Source code is available on GitHub.