OneModel – Diagramming tailor-made for Software Engineers
OneModel is a diagramming tool tailor-made for software engineers. Create beautiful architecture diagrams quickly and easily. Collaborate with team members on a live canvas. Embed your diagrams in Notion or with IFrames.
OneModel – Diagramming tailor-made for Software Engineers launched on February 1, 2022 with 98 votes, #367 of 2,645 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 4 years on.
In plain words
OneModel is a diagramming tool designed specifically for software engineers. Launched in 2022, it provides a platform for creating technical diagrams tailored to engineering workflows and needs. The tool focuses on making diagram creation accessible and efficient for developers who need to visualize system architecture, processes, and technical concepts during software development.
written from the facts on this page · September 2026
From the sources
OneModel automatically finds the best route for your arrows, so you'll never have to worry about overlapping lines or dirty intersections. OneModel includes icons from your favorite cloud providers, open source projects, and third-party services. Focus on visualizing your ideas and OneModel ensures you ’ ve created a beautiful diagram every-time. Share and collaborate with your team in real-time with our multiplayer experience. Embed live views of diagrams using an iFrame or Notion with a click of afrom onemodel.app
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Create diagrams of complex data flows in software systems2024 · github.com · ▲205Hello HN, It has been a while since I contributed to the web, so I decided to get back in shape and publish "something". This app is a POC of "what if diagrams were more dynamic". I'm a software engineer by trade, and with conventional tools, I often times struggle to explain flows of data in complex software systems. I got inspired by video games like The Incredible Machine and Factorio, as in some ways, software systems tend to become Rube Goldberg-esque machines ;) As a side quest, I also wanted to craft diagrams faster than text-based tools (ex: mermaid), as I am always forgetting their…
Diagram as code tool with draggable customizationsOct 2025 · github.com · ▲266In 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…



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