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The riskiest system in your estate is the one only two people understand — and one of them is leaving. Archiet turns institutional memory, stale diagrams, and decayed docs into a living architecture model: audited, compliance-mapped, and executable enough to generate the replacement modules from.
Feed Archiet what exists — architecture docs, diagrams (ArchiMate exports from Archi, Sparx EA, BiZZdesign), or plain-English institutional knowledge before it walks out the door. Archiet builds a formal model and returns a severity-ranked audit: risk concentrations, single points of failure, compliance exposure, and the dependencies nobody wrote down.
Modernization fails when it is attempted as a big bang. Archiet’s replacement planning decomposes the estate into modules with explicit boundaries, orders them by risk and value, and produces the decision documentation — ADRs, traceability, compliance impact — that lets you defend the sequence to the board and the auditor.
Each module is generated from its slice of the model: production-grade code with tenancy isolation, RBAC, audit trails, migrations, and CI/CD — deterministically, so a regenerated module is reviewable and repeatable. You own the code. The old system keeps running until each module proves itself.
Modernization projects rarely fail at the coding stage — they fail earlier, on comprehension: the rewrite quietly re-implements the old system's misunderstandings, misses the undocumented business rule that only fires at quarter-end, and discovers the compliance scope after the auditor does.
Building the formal model first inverts the risk. Every assumption becomes visible and reviewable before a line of replacement code exists. And because Archiet generates from the model deterministically, the code that ships is the architecture you reviewed — with drift detection watching the gap between the two from day one.
Yes — that is the common case, not the exception. Archiet accepts plain-English descriptions from the people who operate the system, uploaded documents in any state of decay, and ArchiMate exports where they exist. The model starts from whatever you have and improves as you correct it; the audit output shows you exactly what the model believes, so gaps are visible instead of silent.
EA suites inventory and visualize; they stop at the picture. Archiet’s model is executable: the same model that produces the risk audit produces compliance evidence and generates the replacement modules. Comprehension is step one of modernization, not the product.
Architecture copilots recommend; Archiet executes. A recommendation still leaves you with the rewrite. Archiet takes the model through to governed, production-grade replacement code — with the compliance documentation regenerated alongside every module. See our full comparison at /vs/catio.
Every generated module carries its architecture decision records, compliance mapping (SOC 2, ISO 27001, GDPR, HIPAA, DORA), quality scoring, and traceability from requirement to code. Change is reviewable and auditable — drift detection tells you when the running system diverges from the model.
No. A 20-person company with a five-year-old monolith has the same problem at smaller scale — the free architecture audit is the same entry point. Enterprise plans add SSO, dedicated VPC or on-prem deployment, and portfolio-level analytics across the estate.