Modern design company.
Brand & Design
Systems Experts
We build world-class free resources and brand operating systems.
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
open session is a design company built by creatives, for creatives. We share free resources and ideas, and build products for people working across design, technology, and business. Our mission is to help everyone make the most of design and technology.
Yes. The resources in our free library are available to explore and use at no cost. Each resource links to its original file, website, or repository. Check the license and usage notes included with the individual resource before using it in your own work.
BOS (opens in a new tab) stands for Brand Operating System. It's our upcoming paid web app bos.live (opens in a new tab), built to bring brand ideas, identity, and systems together. We're developing it for creatives and interdisciplinary builders, and will share more as it gets closer to release.
BOS (opens in a new tab) is coming soon. We haven't announced a launch date or pricing yet. Visit bos.live (opens in a new tab) for the latest product updates, or subscribe to open session to hear what we're building.
Designers, founders, developers, and anyone who likes to connect disciplines and make things. You don't need a particular title or a large team. Start with a resource that fits your next idea, and make it your own.
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.
Read article