Apple Freeform

Sketchlie

Streamline Ideation, Collaborate, Create. All in real-time

Flat

Collaborate in real time on your sheet music

Cardsmith

Capture ideas and collaborate in real-time

Snipper.io

Collaborate with your friends on the same code in real time

Show HN: MarbleMD – Free collaborative alternative to Typora

Over the past year, I found myself increasingly writing technical docs in Markdown. Unfortunately, there isn't an easy…