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Virtual whiteboard for hand-drawn diagrams
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a bitmap paint program inspired by the Amiga programs Deluxe Paint and Brilliance. Specialized in 256-color drawing.  
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Next generation markdown editor, running on platforms of MacOS Windows and Linux. [![Open-Source Software][OSS Icon]](https://github.com/marktext/marktext) ![Freeware][Freeware Icon]
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Open-source design and prototyping platform
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tldraw
Infinite canvas drawing tool
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