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Free tech stack diagram builder
Add the software your business runs on, from ads and forms to your CRM, EMR, billing and dashboards, then draw how the data moves between them. Start from a real template or a blank canvas. Download it, print it, share a link, or send it to us and we will talk it through on a free call.
- ✓ Free, no account
- ✓ Templates from real tech stacks
- ✓ Download, print or share
1. Add the systems you use
2. Arrange and connect
How it works
Move
Drag any system to where you want it.
Connect
Tap a system, press Connect in the bar at the top, then tap the system its data goes to.
Connect several at once
Turn on Select several, tap each one, then press Connect.
Change or remove
Tap a system, then use the panel under the map to make a line two-way, flip it, or remove it.
How it works
Move
Drag any system to where you want it.
Connect
Click a system, press Connect, then click the system its data goes to.
Connect several at once
Drag a box around them, Shift-click, or turn on Select several. Then Connect.
Change or remove
Click a system to make a line two-way, flip it, or remove it. Press Delete to remove the systems you have selected.
Scroll sideways to see the whole map.
Click any system to rename it, connect it, or remove it. Arrows show which way the data goes; two arrows mean it syncs both ways.
3. Save it, or send it to us
Keep it for your team:
We are Journeys Through Search, a CRM integration team with 900+ integrations completed. Send your map and we will set up a free call to talk it through: what to connect, what is leaking, and how we would fix it. Honest advice, no obligation.
Your map is saved in this browser as you go. Nothing is sent to us until you choose Send. Please list systems only, no patient or customer details.
What is a tech stack diagram?
A tech stack diagram, also called a technology stack diagram or software stack diagram, is a picture of the software a business runs on and how the pieces connect. Each box is a system. Each arrow shows which way data moves between two of them.
Seeing the whole stack at once shows what a list of tools hides: systems that do not talk to each other, data typed in twice, and the gaps where leads, payments and reports fall through.
What to put on your diagram
The builder sorts systems into five layers, left to right, in the order a lead moves through them.
Marketing
Ad platforms, the website, analytics and search tools: where people first find you.
Lead management
Forms, chat, call tracking, texting and email: how people reach you.
Your CRM and server
The CRM where every lead and customer lives, and any middle layer that moves data into it.
Client management systems
EMR, billing, payments and insurance checks: the systems that run the work after the sale.
Reporting and dashboards
Sheets, data warehouses and dashboards that pull the numbers together.
How to make a tech stack diagram
List every system a lead touches
Start at the ad click and end at the final bill. Include the small tools, like a chat widget or a texting app.
Group them by layer
Marketing, lead management, CRM, client systems and reporting. The builder colors each layer for you.
Draw how the data moves
An arrow shows which way data goes. Two arrows mean the systems sync both ways.
Mark the gaps
A system with no line in or out, or data someone types twice, is where leads and numbers get lost.
Tech stack diagram templates
Examples A, B and C in the builder are real client tech stacks with the names removed: ad platforms, chat, forms and call tracking feeding a CRM, synced with an EMR and billing, with dashboards on top and conversions sent back to the ad platforms. Load one as a template, then rename, move or remove anything to match your own stack.
A marketing technology stack diagram
For a marketing team, the diagram that matters follows one lead from the ad click to revenue and back again: ads to the website, the website to forms, calls and chat, those into the CRM, the sale recorded, and the result sent back to the ad platforms so they bid for customers instead of clicks. If any arrow on that path is missing, the reports are guessing.
Questions
- Is the tech stack diagram builder free?
- Yes. It is free to use, with no sign-up and no account.
- Where is my diagram saved?
- In your own browser, as you work. A share link holds the whole diagram inside the link itself, so nothing is stored on a server, and nothing reaches us unless you choose to send it.
- Can I download or print my diagram?
- Yes. Download it as an image, print it, or copy a share link that opens the same diagram for anyone you send it to.
- Are there tech stack diagram templates?
- Yes. Start from Example A, B or C: real client tech stacks with the names removed. Change anything, or start from a blank canvas.
- Can you build the connections on my diagram?
- Yes. That is what we do, with 900+ integrations completed. Send your diagram and we will set up a free call to talk it through.
Found a gap in your stack?
Connecting systems is what we do. The first call is free, with honest advice.