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

Here’s what early users are saying
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.

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.

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.

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