The Free Design Tool Running on Models You Already Pay For

open-design by nexu-io is a local-first, Apache-2.0 AI design system generator that displaces Figma seats ($12 to $90 per user per month) and Claude Design (bundled in Claude Pro at $20 per month) by running entirely on AI models already installed on your machine. It is trending at #5 on GitHub today with 7,000+ stars and growing.

open-design is a free, local-first AI design system generator that replaces Figma seats (ranging from $12 to $90 per user per month depending on plan and seat type) and Claude Design (bundled in Claude Pro at $20 per month per user) by using AI models already running on your machine to produce web, desktop, and mobile prototypes, slide decks, images, and exported files. For a five-person marketing or product team on Figma's Organization plan, that is a potential annual spend reduction of $3,300 to $6,600 in design tool licensing, before counting any AI subscription costs on top.

What the tool actually does

open-design is an agent-native design platform. You describe what you want, and it generates complete design artifacts, including HTML, PDF, PPTX, and MP4 exports, using any AI model already installed on your machine. Claude Code, Cursor, GitHub Copilot, OpenCode, Codex, Gemini, and more than 17 other coding agents and LLM CLIs work as the engine. If you already have one of these tools, open-design treats it as the design intelligence layer.

The project ships with 142 brand-grade design systems built in, covering Linear, Stripe, Vercel, Airbnb, Apple, Notion, Anthropic, Figma, Supabase, and many others. When you generate a component or a page, it reads from the matching design system file and applies the right palette, typography, spacing, and motion rules automatically. The result is output that looks like it followed a style guide, because it did.

The practical business workflow looks like this: a product manager drops a brief, the agent generates a prototype with the correct brand styling applied, and the output is ready to export or drop into a presentation. No designer required for first drafts. No Figma seat required to view or comment. No Claude subscription required because the model is the one already running locally.

Why it is trending today

open-design crossed 7,000 GitHub stars and is sitting at #5 on Trendshift's daily trending list as of June 12, 2026. The repository is new in 2026 and has been climbing steadily since Anthropic released Claude Design in April 2026 as a closed-source, paid-only, cloud-only feature bundled into Claude subscriptions.

That release created an obvious gap: a lot of teams wanted AI-native design generation but did not want another per-seat subscription or a product locked to a single AI provider. open-design is the direct answer to that gap. The Apache-2.0 license means commercial use is permitted and there are no open-core traps where the features you actually need turn out to require a paid upgrade.

The real cost comparison

Figma's Professional plan runs $16 per full seat per month on annual billing, the Organization plan runs $55, and Enterprise goes to $90. A five-person team on the Organization plan is paying $3,300 per year just for seats, and that is before you add any AI add-ons.

Claude Design is not sold separately. It is bundled into Claude Pro at $20 per month or Claude Team at $25 per seat per month. If your team is paying for Claude Pro primarily because it surfaces design generation capabilities, open-design eliminates that justification entirely, assuming you already have another model on your machine.

With open-design, the costs are whatever model you already use. If your team runs Copilot or Cursor for code, those agents become the design engine at no additional charge. If you use a local model through Ollama, the marginal cost of a design generation is zero. The total tool cost for design generation drops to $0 per seat.

What you need to know before switching

open-design is a 2026 project and version numbers below 1.0 should be read as a signal. The v0.7.0 release is stable enough for real workflows but it is not a Figma replacement for teams with deeply established component libraries and years of design history stored in Figma files. Migration is not a realistic option right now.

The install path requires a developer to set up. You run pnpm install and start the daemon with a single command, but someone technical needs to do that initial configuration. Non-technical team members cannot self-serve the setup. Once it is running, the interface is usable by non-developers, but getting there requires engineering involvement.

Design system coverage is strong for modern tech brands but limited outside that category. If your brand is a regional retailer, a healthcare organization, or a financial services firm, the 142 shipped design systems probably do not include yours. You can author a custom DESIGN.md file, which the tool reads natively, but writing that file well requires understanding its schema.

The output quality depends heavily on the underlying model. With a capable model like Claude Sonnet 4.6 or GPT-4o, the prototypes are genuinely usable as first drafts. With a smaller local model, the output degrades in proportion to the model's capability. This is not unique to open-design, but it means the promise of zero-cost generation and high-quality output do not always coexist.

Hosting is either local or self-hosted on Vercel. There is no managed cloud option with support SLAs. If your team needs a vendor to call when something breaks, that vendor does not exist yet.

What this means for a business reader

The case for evaluating open-design is strongest for two types of teams. First, product and marketing teams that generate a lot of first-draft design work, mockups, slide decks, and brand-aligned prototypes, and currently move those requests through a designer or a design tool seat that sits mostly idle. Second, teams that already pay for a capable AI model for other purposes and are now also paying for Figma or Claude Design on top of it.

The tool is not asking you to replace your design practice. It is asking whether the first draft needs to cost $16 to $90 per seat per month when the agent you already use could produce it for free.

The harder question is what happens to Figma's pricing model when the most time-consuming part of a designer's workflow, generating the first draft, stops requiring Figma at all. Design tools have always charged for the canvas. open-design is betting that in an agent-native world, the canvas is the output, not the application.

That is a bet that 7,000 GitHub stars suggest a lot of teams are willing to watch play out.