The diagramming tool
built for modern stacks.

Stop wrestling with generic drag-&-drop tools. Create professional, software architecture diagrams in minutes—not hours.

Start Sketching
The StackSketch editor showing a server-infrastructure diagram

StackSketchturnsyourarchitectureintoalivingdiagram.Dragfrom640+realtechnologyicons,wireservicestogetheronaninfinitecanvas,andletAIdraftentiresystemsfromasingleprompt.Whenit’sready,sharealinkandgiveyourteamasourceoftruththat’sactuallyworthlookingat.

Core features

Everything you need to sketch your stack.

Keep scrolling
01
icons

640+ technology icons

Real logos for every layer of your stack, Postgres to Kubernetes, one ⌘K away. No more squinting at gray boxes.

02
ai

AI-drafted diagrams

Describe your system in plain English and watch a full architecture sketch itself onto the canvas, ready to refine.

03
share

Share a link, not a file

Publish a read-only link that stays in sync with your canvas. Nobody screenshots a stale diagram again.

04
mcp

MCP for Claude & Cursor

Stack Sketch ships an MCP server, so your AI agent can create and update diagrams straight from your editor.

05
export

Crisp exports

One-click PNG and SVG that hold up in docs, slides and READMEs at any resolution.

designed for [x0 — y0]

Web & product teams

Homelab & self-hosters

Platform & DevOps engineers

Map fullstack applications end to end — routing, APIs, data layers and deploy targets — and keep the picture current as the stack evolves.

Next.js
React
Tailwind
Prisma
PostgreSQL
Vercel

6 nodes · 5 edges · autosaved

Document the whole rack: media servers, reverse proxies, VPN tunnels, DNS and storage. Future-you will thank present-you.

Docker
Traefik
Plex
Pi-hole
WireGuard
TrueNAS
Home Assistant

7 nodes · 6 edges · autosaved

Visualize clusters, pipelines and edge infrastructure — from the Terraform plan to what actually runs in production.

Kubernetes
Terraform
Ansible
Cloudflare
Redis
GitHub

6 nodes · 5 edges · autosaved

Free until you outgrow it

Then five bucks a month, or one coffee run for lifetime access. No card up front, cancel whenever.

Free

For starting out
$0forever
  • Up to 10 diagrams
  • All 640+ tech icons
  • AI diagram generation
  • PNG export
Start for free

Pro

For professionals
$4.99per month
  • Unlimited diagrams
  • PNG & SVG export
  • Priority support
  • Early access to features
  • Cancel anytime
Start with Pro

Lifetime

For fans
$49.99one-time
  • Everything in Pro
  • Lifetime updates
  • Support the indie dev
  • No recurring fees
Get lifetime access

Before you ask

The things people usually want to know. Anything else, just reach out.

Start sketching
your stack.

Free to start, no credit card required. Your first diagram is minutes away.