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Ziteboard 為可縮放的線上白板，支援即時協作，可用於數學或物理的教學。 支援視訊聊天的線上家教工具。

通过 HTML5 、JS和Websockets，我们可以很容易地创建一个实时协作绘图白板。 在本文中，我们介绍了如何设置HTML结构、编写JS代码、搭建服务器，以及实现绘图功能和实时协作。

Get hands-on right away with the Web whiteboard for instant collaboration, where you can brainstorm, share ideas and manage projects without signing-up. Try it, it’s free!

Onlineboard is a free online drawing board that runs in your web browser. You do not need to install any additional software on your device to use it. It is conceptually similar to a physical whiteboard. First, you need to create a new whiteboard. An onli

Whiteboard Online is a free and easy-to-use virtual whiteboard for real-time collaboration. Sketch, draw, and share your ideas instantly.

FriendlyBoard offers a free, collaborative online whiteboard for teams, educators, and designers. Brainstorm, draw, and share ideas in real-time with no sign-up required.