Design company for all.
Brand Identity &
Design Systems Experts
We're a modern design company that produces free resources and revolutionary design products.
Design for Everyone
Our mission is to help the world make the most of design and technology.
Free resources
5 resources in all resources
Imagine a world where you can store, manage, and extend your brand in one place.
A customizable widget dashboard
Pin the widgets you reach for every day. Home is the first screen of your brand, laid out your way.
Where the dimensions of your brand live
Voice, colour, type, logo, motion and imagery, stored as structured data rather than a PDF nobody opens.
Where your documents and information live
Guidelines, research, decisions and notes, kept where every person and every tool can find them.
Where your code and creative live
Logos, templates, components and code side by side, versioned and ready to ship.
An MCP client and server
BOS connects to your tools, and your tools connect to BOS, so your brand travels wherever the work happens.
Founder Archives
Brands big and small, from before Open Session had a name.
FAQ
Thoughts
What we are learning while we build, shared as we go.
KARIMO: Claude Code Harness
April 30, 2026
The Claude Code harness we use every day at open session. PRD-driven, configurable, and open source. Walk away while features get built.
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