In addition to a design system it is important to have a set of design principles to ensure consistency.

Designmodo is an all-in-one solution to create website and email newsletter designs that impress and engage your audience. Create your email templates and websites 20x faster, with no design limitations and no need for coding skills. Postcards email buidler provides you with all the tools necessary to start building and customizing your email template - from scratch to the finished product in just a few minutes. Collaborate with the entire team to bring ideas to the table from everyone.

Really Good UX gives you a look inside your favorite products.

Check out the new Learn Storybook Design Systems for Developers guide. This multi-chapter guide teaches UI engineers how to develop design systems from scratch using Storybook.

Road to Scale is a curated knowledge library with 300+ content items for every stage of your startup journey. From idea 💡to scaling up 🚀

A growing list of interactive product case studies, breaking down how the best companies design and grow products users love. Learn the psychology behind your favorite apps including Airbnb, Hopper, Trello & more.

We've collected 34 approaches to monetize open-source software in an open github repository. Feel free to use and feedback is welcome!