Free Enterprise Architecture Tools
Eight free, no-login tools to assess maturity, rationalize your application portfolio, and prepare DORA/NIS2 and TOGAF work — built for regulated EU teams.
EA Tool Selector
Tick what matters — EU residency, public pricing, DORA/CSSF — and get an honest tool comparison.
OpenDORA / NIS2 Architecture Checklist
Turn DORA and NIS2 obligations into a concrete architecture and dependency-mapping to-do list.
OpenApplication Rationalization Calculator
Estimate savings and risk reduction from retiring or consolidating applications.
OpenEA TCO Calculator
Model the total cost of ownership of an enterprise architecture tool over time.
OpenTOGAF ADM Checklist
A pragmatic, phase-by-phase checklist to apply the TOGAF ADM without the bureaucracy.
OpenCapability Map Templates
Ready-to-use business capability map templates to start mapping in minutes.
OpenApplication Portfolio Starter
A starter structure to inventory applications, owners, cost, and supplier risk.
OpenArchitecture Diagram Templates
Clean templates for capability, application, and dependency diagrams.
OpenEA Maturity Assessment
Score your enterprise architecture across 10 dimensions in 10 minutes and get a prioritized plan.