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
BOS, the Brand Operating System: Coming soon, visit bos.live (opens in a new tab)
Your personal brand dashboard
Each teammate has different brand needs. Customize it: iOS design meets Notion flexibility.
Where the dimensions of your brand live: read Brand is the Design System
Logos, colors, typography, icons, illustration, art direction and more, for humans and agents.
Where your documents and information live
A brand schema scores your coverage and recommends how to fill your brand's data gaps.
Where your code and creative live
Logos, templates, components and code side by side, versioned and ready to ship.
An MCP client and server: read MCP for Designers: How to Connect All Your Tools
BOS connects to your tools and your tools to BOS, so your brand travels with the work.
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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