Excalidraw
Virtual whiteboard for hand-drawn diagrams
Free124.9K
Overframe for Mac
record your prototype & app with device frame overlay. 
Design
About
record your prototype & app with device frame overlay. 
Alternatives to Overframe for Mac
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