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Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
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在线将照片转换为扫描后的电子扫描件和PDF复印件, 支持旋转、识别、修改文字、添加签名/图章、添加各种特效，从此不再需要打印机/扫描器。
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iconfont-国内功能很强大且图标内容很丰富的矢量图标库，提供矢量图标下载、在线存储、格式转换等功能。阿里巴巴体验团队倾力打造，设计和前端开发的便捷工具
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Where possible begins.
