Excalidraw
Virtual whiteboard for hand-drawn diagrams
Free124.9K
ProtoPie
Create the most advanced prototypes as easy as Pie.
Design
About
Create the most advanced prototypes as easy as Pie.
Alternatives to ProtoPie
MarkText
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]
Open Source57.1K
Penpot
Open-source design and prototyping platform
Open Source49.4K
tldraw
Infinite canvas drawing tool
Free47.6K