About

Knotmark 结绳记事 is an independent product studio founded by Jeff Yu.

Humans once tied knots to remember. Today we knot ideas, systems, and people into useful software.

We build practical software for individuals, teams, and developers — small tools that earn their place, shipped one at a time. What we have released is listed on the products page, with its real status.

Questions or collaboration: info@knotmark.com.