OneArch – AI Assistant for Architects - One structured space for architecture decisions and diagrams
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OneArch is your AI assistant for software architecture. Document decisions, create clean diagrams, and organize everything in one place. Built by architects who’ve had enough of messy docs, scattered notes, and forgotten context.


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Hey, I'm Nick. 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.