Penpot - Design Freedom for Teamspenpot.app/
The open-source solution for design and prototyping.
blokdots is a simple to use software to build interactive hardware prototypes without a line of code.
Create living prototypes with code components. Design with the same components your engineers are using for production.
Relate - Design and develop at the same timerelate.app/
Relate is the first interface design tool that empowers design and development teams to collaborate in the creation of digital products - visually and straightforwardly
Sketchsheets - Ready to print sketch sheet templates for UX designerssketchsheets.com/
Sketchsheets is an open source project dedicated to providing free printable templates of the latest devices and platforms for wireframing designs.
Only One Deliverable Matters | Big Mediumbigmedium.com/ideas/only-one-deliverable-matters.html
Too much design effort goes into artifacts that are not part of the working software. There’s a better way to work.
Sound Kit for Prototypes | Facebook Designfacebook.design/soundkit
A collection of interaction sounds for prototypes.