OneArch

OneArch

The one place for all your architectural needs - with AI-powered assistance

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Architectural design

Here’s what early users are saying

Francisco Exposito
I’m impressed by how structured and easy to review the data is. The clean, distraction-free UI and AI integration make it intuitive, and the diagram feature is a great bonus. OneArch is a promising tool - simple, elegant, and clearly built with care.

Francisco Exposito

Application Architect, European External Action Service

Max Pshenichnikov
I love the idea of a context-aware assistant built right into the interface. Unlike rigid chat UIs, OneArch feels like a smart mini-agent that even processes the content I enter into forms.

Max Pshenichnikov

Chief Architect, Dom.RF

Amal Khasanbaev
OneArch is very convenient, especially the Review feature. Even though I’m not yet an architect, it helps me document my work and track the history of decisions as I grow into the role.

Amal Khasanbaev

Fullstack Engineer, SK-Auto

Tired of Architectural Chaos?

If you're a software architect, these problems probably sound familiar. OneArch is designed to solve them.

Chaotic Documentation
Architectural decisions are rarely documented – and when they are, it's usually chaotic.
Inconsistent Diagrams
Diagrams vary in style and complexity, making alignment nearly impossible.
Scattered Decisions
Decisions are scattered across tools and chats – they get lost.
Lost Knowledge
Reusing old knowledge? Good luck finding and understanding it.
No Clear Path
Junior architects struggle to form architectures – there's no clear path.
Vague Requirements
Requirements are vague, inconsistent, or just plain wrong.

The Solution You've Been Waiting For

OneArch brings clarity, consistency, and intelligence to your architecture process.

One Place for All Your Architecture Artifacts

No more scattered docs, chats, and diagrams. OneArch gives you a single source of truth for every architectural decision and requirement – structured and searchable.

Centralized architecture artifacts

AI-Powered Assistant

The AI assistant does more than just review your work. It actively identifies requirements from business needs, generates solution summaries, and provides real-time feedback on your architectural decisions.

AI Assistant providing feedback

Everything You Need, and More

Discover the additional benefits that make OneArch the right choice for serious architects.

Context-Aware Decision Making
Standardize your decisions with a proven Architectural Decision Record format. With context-aware decision making, requirements and other ADRs are displayed in-place while you work. You can also share your ADRs with colleagues as images.
Smart Requirement Management
OneArch uses smart techniques to improve the quality of requirements and speed up the process of requirements gathering.
Step-by-Step Project Wizard
Simplify onboarding and guide junior architects with our step-by-step project creation wizard. Ensures a structured process from start to finish.
Built-in & Attachable Diagrams
Draw diagrams right inside OneArch to keep everything in one place, or attach files from your favorite diagramming tools. The choice is yours.
Export to Word, Confluence and HTML
Seamlessly share your architectural artifacts with stakeholders in popular formats.
Data is encrypted at rest
Your sensitive architectural data is secured using industry-standard at-rest encryption.

See It in Action

Watch how OneArch solves common problems.

Made by a Practicing Software Architect

I’m Nick Laptev. After 12+ years in software architecture and seeing countless failed or inefficient architecture processes, I’ve built OneArch as the solution I wish existed. It’s fast, focused, and finally makes architectural work manageable – and even a little fun.

Nick Laptev, Founder of OneArch

Frequently Asked Questions

Have questions? We have answers. If you can't find what you're looking for, feel free to contact us.

Ready to Transform Your Projects?

Already in use on real projects - helping architects stay organized and focused

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