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Gridzzly | 格网纸生成
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WinMerge - You will see the difference… | 通过插件可实现Word文本差异对比
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GitHub - LiRenTech/project-graph: 快速绘制节点图的桌面工具，可以用于项目进程拓扑图绘制、快速头脑风暴草稿。
jgraph/drawio: draw.io is a JavaScript, client-side editor for general diagramming.