Self-Hosted UX Prototyping & Wireframing: Quant-UX vs Wireflow vs Plasmic Compared 2026

UX prototyping and wireframing tools have traditionally been desktop applications or SaaS platforms — Sketch, Figma, Adobe XD. But a new generation of self-hosted alternatives puts collaborative design workflows on your own infrastructure, ideal for teams with security requirements, budget constraints, or a preference for open-source tooling.

Why Self-Host Your UX Design Workflow?

Design tools handle sensitive intellectual property: unreleased product designs, internal strategy documents, and customer research data. Storing this on a SaaS platform means trusting a third party with your competitive advantage. When Figma briefly restricted access to its design tool during a controversy, companies with deadlines found themselves locked out of their own work.

Self-hosted design platforms ensure your work remains accessible regardless of vendor decisions. No subscription changes, no feature removals, no data access restrictions. Your design files live on your servers, backed up on your schedule, accessible to your team on your terms.

Cost is another factor. SaaS design tools charge per editor — Figma’s professional plan at $12/editor/month means a 10-person team pays $1,440/year. Self-hosted alternatives run on your own infrastructure at a fixed cost, whether you have 3 designers or 30. For agencies and enterprises where design tool costs balloon with headcount, self-hosting provides predictable budgeting.

If your team also needs collaborative whiteboarding, check our self-hosted whiteboard tools comparison. For teams building design systems and component libraries, our self-hosted component workshop guide covers tools that complement prototyping workflows.

Comparison: Quant-UX vs Wireflow vs Plasmic

Quant-UX — Full-Featured Prototyping with Analytics

Quant-UX is the most complete prototyping tool in this comparison. It lets you create interactive, clickable prototypes and test them with users — all self-hosted. Unlike tools that focus only on static wireframes, Quant-UX supports real interactions: button clicks, page transitions, form inputs, and conditional logic.

What sets Quant-UX apart is its built-in analytics. After sharing a prototype with test users, you can see click heatmaps, task completion rates, and time-on-screen metrics — data that typically requires separate analytics tools. This combination of prototyping and testing in one platform streamlines the UX research workflow.

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# docker-compose.yml for Quant-UX
version: '3.8'
services:
  quant-ux:
    image: klausschaefers/quant-ux:latest
    container_name: quant-ux
    ports:
      - "8083:8080"
    environment:
      - SPRING_DATA_MONGODB_URI=mongodb://mongo:27017/quantux
      - QUX_AUTH_METHOD=local
    volumes:
      - qux_data:/root/data
    depends_on:
      - mongo
  mongo:
    image: mongo:7
    volumes:
      - mongo_data:/data/db
volumes:
  qux_data:
  mongo_data:

Wireflow — User Flow Visualization

Wireflow takes a focused approach: it’s a tool for creating user flow diagrams and wireframes collaboratively in real time. Instead of building fully interactive prototypes, Wireflow excels at mapping the paths users take through an application — the screens, decision points, and transitions that define the user journey.

Wireflow’s real-time collaboration is its strongest feature. Multiple team members can work on the same flow simultaneously, seeing each other’s changes as they happen. The interface is intentionally simple: drag elements onto a canvas, connect them with arrows, and add annotations. There is no learning curve — anyone who can use a whiteboard app can use Wireflow.

The trade-off is depth. Wireflow doesn’t support interactive prototypes, user testing, or code export. It’s a planning and communication tool, not a full design-to-development pipeline. For teams that need to map complex user journeys before building interactive prototypes in another tool, Wireflow fills a specific niche that more ambitious tools often neglect.

Plasmic — Visual Builder with Code Export

Plasmic is the most developer-oriented option, functioning as a visual builder that generates production-ready React and Next.js code. Unlike traditional prototyping tools where designs must be re-implemented in code, Plasmic’s output is the actual application — not a simulation.

This makes Plasmic uniquely suited for teams that want to bridge design and development. A designer can build a page layout in Plasmic’s visual editor, and developers receive clean React components with typed props. The visual editor becomes a design tool AND a development accelerator.

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// Example: Plasmic generates real React components
import { PlasmicCanvasHost } from "@plasmicapp/loader-nextjs";

export default function PlasmicHost() {
  return <PlasmicCanvasHost />;
}

For A/B testing, Plasmic supports content variants that can be served to different user segments. Combined with analytics integration, teams can validate design decisions with real user data — all within the self-hosted platform.

Deployment Architecture and Integration

All three tools run as Docker containers and benefit from being placed behind a reverse proxy. For teams using these alongside their application stack, here’s a recommended architecture:

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# Nginx config for multiple design tools on subdomains
server {
    server_name prototypes.yourdomain.com;
    location / { proxy_pass http://127.0.0.1:8083; }
}
server {
    server_name flows.yourdomain.com;
    location / { proxy_pass http://127.0.0.1:3001; }
}
server {
    server_name builder.yourdomain.com;
    location / { proxy_pass http://127.0.0.1:3002; }
}

Authentication Integration: For enterprise environments, all three can integrate with existing authentication systems. Quant-UX supports OAuth2/OIDC for SSO. Wireflow can be placed behind an authenticating reverse proxy (like oauth2-proxy). Plasmic supports custom auth providers through its loader API. This means your design tools can use the same SSO as your other internal applications.

Choosing the Right Tool

For UX researchers and product teams running usability tests, Quant-UX offers the most complete workflow: build a prototype, share a link with test participants, and analyze click behavior and task completion. The built-in analytics eliminate the need for separate testing tools.

For information architects and UX designers mapping complex user journeys, Wireflow’s simplicity is its strength. The real-time collaboration and zero learning curve make it ideal for brainstorming sessions and stakeholder presentations. Pair it with a separate prototyping tool for the full design workflow.

For full-stack teams and design engineers who want designs that translate directly to code, Plasmic is the obvious choice. Its React component output means no design-to-code handoff gap — what you build in the visual editor IS the application. This approach requires JavaScript/React knowledge from the design team but eliminates rework.

FAQ

Can these tools replace Figma for my team?

Quant-UX comes closest to replacing Figma’s prototyping features, with interactive prototypes and user testing analytics. However, none of these tools match Figma’s vector editing capabilities or plugin ecosystem. For teams that primarily use Figma for prototyping (not detailed UI design), Quant-UX + Wireflow can replace most workflows. For pixel-perfect UI design, consider Penpot, the open-source Figma alternative.

How do I share prototypes with stakeholders who don’t have accounts?

All three platforms support shareable links. Quant-UX generates unique URLs for each prototype that can be viewed without authentication — perfect for usability testing participants. Wireflow supports read-only shared links. Plasmic can publish pages to a public URL for stakeholder review.

Do these platforms handle design versioning?

Plasmic includes built-in version history with the ability to branch and merge design changes — similar to Git for design files. Quant-UX tracks changes per project with basic undo/redo. Wireflow does not have built-in versioning; use Git to version the project files if needed.

Can non-designers contribute to prototypes?

Yes. Wireflow is specifically designed for non-designers — its drag-and-drop interface requires no design training. Quant-UX has a learning curve similar to other prototyping tools. Plasmic requires the most technical knowledge due to its code-oriented approach, but its visual editor is accessible to non-developers for simple layouts.

How do these work with design systems?

Plasmic has the strongest design system support through its component library — reusable components with defined props and variants. Quant-UX supports templates and reusable elements, but not a formal design system. Wireflow is intentionally simple and does not support design system management.

What about accessibility testing?

None of these tools include built-in accessibility testing. For accessibility validation, pair them with browser-based tools like axe DevTools or Lighthouse. The prototypes generated by Quant-UX and Plasmic render as standard HTML, which can be audited with standard accessibility tools.

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