Work · alternatives · 2026

24 alternatives to Diagrams.net

Open source technology stack for building diagrams

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Diagrams.net launched in 2021; newer entries below may have overtaken it.

1
Overflow▲1,139
The world’s first user flow diagramming tool for designers
2018 · overflow.io · its alternatives →
2
Diagrams for Mac▲196
A diagram editor for visualizing structures and processes
2020 · diagrams.app · its alternatives →
3
Charts▲348
The most comprehensive collection of charts for Sketch
2019 · charts.graphics · its alternatives →
4TA
Terrastruct – A Diagramming Tool for Systems▲187
2020 · terrastruct.com · its alternatives →
5
Quick Diagram▲121
A tool for generating diagrams and flowcharts from text.
2020 · quickdiagram.com · its alternatives →
6
Terrastruct▲132
The diagramming tool for developers
2023 · d2lang.com · its alternatives →
7
Diagramiq▲78
Create slick diagrams and collaborate with your team
2018 · its alternatives →
8
Diagram as code tool with draggable customizations▲266
In the past I've used declarative diagram generation tools like Mermaid.js a lot for quickly drawing up things but for presentations or deliverables I find that I have to then move the generated diagrams over to a tool like Lucidchart which allows full control of the organization and customization. Therefore I am now working on this to combine the benefits of both into just one tool which can do both functions. The project is certainly in the early stages but if you find yourself making architecture diagrams I'd love to hear your thoughts on the idea or even a Github issue for a feature…
Oct 2025 · github.com · its alternatives →
9
Mark▲358
Create flowcharts & diagrams in seconds powered by AI
2017 · apps.apple.com · its alternatives →
10
DiaChat▲102
Create and edit diagrams easily using natural language
2022 · its alternatives →
11
Terrastruct▲88
A diagramming tool for systems, like software architecture
2020 · d2lang.com · its alternatives →
12
Overflow 2.0▲262
Create interactive user flow diagrams that tell a story
2022 · overflow.io · its alternatives →
13
Diagramr▲84
Fastest way to find any diagram ✦ Google Images Sucks!
2025 · diagramr.vercel.app · its alternatives →
14FE
Fast, Easy System Diagrams▲59
2019 · architype.io · its alternatives →
15
ArtMathCode▲108
Where Art meets Math and comes to life through Code.
2025 · artmathcode.net · its alternatives →
16
Venngage Diagram Maker▲132
The easy way to make stunning diagrams
2021 · venngage.com · its alternatives →
17
Diagramify▲138
Describe your diagram and get it without drawing anything
2022 · diagramify.agiliq.com · its alternatives →
18
Diagrammm▲65
Fundamentals on data visualization
2018 · diagrammm.com · its alternatives →
19
TSDiagram – Diagrams as Code with TypeScript▲130
Made an online tool for creating diagrams with TypeScript. I quite like it for thinking about how to shape my data, even if I end up using a different language in the end.
2023 · tsdiagram.com · its alternatives →
20
Collaboratively Edit Diagrams in VS Code with Draw.io▲142
This unofficial extension integrates Draw.io (also known as diagrams.net) into VS Code. - vscode-drawio/README.md at 14209ad462028cbf7013bc8e094bf0fc6e811d30 · hediet/vscode-drawio
2020 · github.com · its alternatives →
21
Ilograph – interactive architecture diagrams as code▲92
The web version of Ilograph: interactive multi-perspective system architecture diagrams
2020 · app.ilograph.com · its alternatives →
22
Dezyn▲143
Transform your diagrams into interactive experiences
2024 · dezyn.io · its alternatives →
23
Diagrams by marker.js▲84
Create and share flowcharts, org charts, mind maps, and more
2023 · diagrams.markerjs.com · its alternatives →
24QS
quickly share UML diagrams▲45
2013 · app.umlbin.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →