The Diagramming Tool
Built for Modern Stacks.
Stop wrestling with generic drag-&-drop tools. Create professional, software architecture diagrams in minutes—not hours.
NextJS
Tailwind
Expo
Android
iOS
Git
GitHub
GitLab
Vercel
Cloudflare
DigitalOcean
Docker
Netlify
React
Railway
Fly.io
Deno DeployNextJSTailwindExpoAndroidiOSGitGitHubGitLabVercelCloudflareDigitalOceanDockerNetlifyReactRailwayFly.ioDeno Deploy
Built for the Modern Developer Workflow
We've stripped away the fluff to give you a tightly feature packed tool designed specifically for component relationships, cloud infrastructure, and system design.
BYOK for AI - Free in all plans
Bring your own key for Gemini, OpenAI or Anthropic and use in the app, it is client side so the key never leaves your device.
Visual Flow Builder
Connect nodes with smart edges that automatically route around obstacles. Create clean, professional diagrams effortlessly.
Customizable Themes
Light and dark modes with customizable node colors. Match your brand or personal preference.
Multiple Export Formats
Export as PNG for presentations, SVG for scalability, or JSON for programmatic access.
Private by Default
Your diagrams are yours. We don't train on your data or share it with third parties.
Unlimited Canvas
No artificial limits. Pan, zoom, and build as large as your architecture demands.
400+ icons
Access thousands of up-to-date icons for React, Docker, AWS, Observability, and more right out of the box.
Command Pallet
Search and add any of the tech nodes directly from a command pallet.
Public Sharing & Embedding
Generate shareable links, embed diagrams in documentation, customizable embed options (dark/light theme, zoom controls).
Next.js Fullstack
Map out your routing, server database layer for the modern
NextJSTailwind
Prisma
PlanetScaleReact / Vite SPA
Visualize client-side state, API component hierarchies.
ReactTailwind
Tanstack Query
FirebaseMobile & Hybrid
Design your mobile architecture UI to backend push notifications
ExpoReactAndroidiOSEdge & Backend
Diagram high-performance APIs and distributed systems at the edge.
HonoGithubCloudflare
SentryNext.js Fullstack
Map out your routing, server database layer for the modern
NextJSTailwindPrismaPlanetScaleReact / Vite SPA
Visualize client-side state, API component hierarchies.
ReactTailwindTanstack QueryFirebaseMobile & Hybrid
Design your mobile architecture UI to backend push notifications
ExpoReactAndroidiOS
SupabaseEdge & Backend
Diagram high-performance APIs and distributed systems at the edge.
HonoGithubCloudflareSentry
RedisDockerPrebuilt templates for prototyping
Don't reinvent the wheel. Start with industry-standard architecture templates designed by senior engineers.
Stop drawing. Start engineering.
Most diagramming tools treat your architecture like a drawing. They give you generic boxes and infinite, bloated menus.
But what if your goal is to build? To scale a system that actually lasts? You need more than a canvas. You need a tool that understands the modern stack.
Architecture documentation shouldn't be a chore you do once and forget. It should be the source of truth for your entire build.
Stop guessing how your system fits together. Start seeing it with clarity.
Start free, upgrade when ready
No hidden fees. No credit card required.
Cancel anytime.
/forever
- ◉Up to 3 diagrams
- ◉150+ tech icons
- ◉PNG export
- ◉Community support
/per month
- ◉Unlimited diagrams
- ◉All export formats
- ◉Priority support
- ◉Custom themes
- ◉Version history
once
- ◉Everything in Pro
- ◉Lifetime updates
- ◉Early access to features
- ◉Support the indie dev
- ◉No recurring fees
See your architecture
come to life.
Experience the fastest way to map out modern stacks. No credit card, no sign-up—just pure building in our interactive sandbox.
Frequently asked questions
Everything you need to know about Stack Sketch.
Can't find an answer? Reach out to us.