Builder Methods
buildermethods.com
Training, workshops and community for developers building software with AI.
Design OS by Brian Casel
Free open-source companion to Agent OS for planning product designs with AI coding agents.
Visit Design OS ↗About Design OS
Free open-source companion to Agent OS for planning product designs with AI coding agents. Design OS is a ai builders product built by indie maker Brian Casel, launched in 2025.
- Status
- Active
- Launched
- 2025
- Category
- AI Builders
- Website
- buildermethods.com
More products by Brian Casel
Agent OS
buildermethods.com
Free open-source system for spec-driven development with AI coding agents.
Clarityflow (formerly ZipMessage)
clarityflow.com
Coaching platform built around async video, audio and text conversations.
Productized content marketing and blog writing service.
Ready-made website service for restaurants.
Design OS FAQ
What is Design OS?
Design OS is a ai builders product: Free open-source companion to Agent OS for planning product designs with AI coding agents.
Who made Design OS?
Design OS was made by Brian Casel, Serial bootstrapper behind Audience Ops, Clarityflow and Builder Methods. It launched in 2025. Brian Casel has also built Builder Methods, Agent OS, Clarityflow (formerly ZipMessage), Audience Ops.
Is Design OS still active?
Yes. As far as IndieMakerList knows, Design OS is still active and run by Brian Casel at buildermethods.com.
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