The CTO Toolkit
Everything you need to lead engineering teams, manage technology risk, and make better decisions — from compliance assessments to architecture tools to team planning calculators.
Free, browser-based, and built by CTOs for CTOs. No signup required for most tools.
🚀Flagship Tools(9 tools)
Enterprise-grade tools with database persistence and advanced features.
Command Center
Track and assess your technology landscape, manage tech debt, incidents, risks, SLOs, migrations, and team capacity.
Split Cause (RCA)
Graph-based root cause analysis with Bayesian inference
ArchiMate Modeler
Enterprise architecture modeling with AI assistance and team collaboration
SEO Command Center
Comprehensive SEO analysis suite: on-page checker, rank tracker, content planner, and full site auditor.
Wardley Map Builder
Strategic value chain mapping for technology decisions and evolution
Technology Due Diligence
Guided 5-part assessment combining codebase health, architecture maturity, security, vendor risk, and tech debt into a comprehensive report
Foundry
AI-powered business plan generator: idea to lean canvas to comprehensive plan
IP & Brand Monitor
Search and monitor trademarks across USPTO and EUIPO. Track filings, watch for conflicts, and protect your brand.
Technology Tree
AoE-style progression maps for engineering maturity, career growth, and project planning. Visualise your path from ad-hoc to elite across infrastructure, security, testing, and more.
⚖️Compliance & Risk(19 tools)
Comprehensive compliance assessments for GDPR, SOC 2, HIPAA, ISO 27001, and more.
GDPR Compliance
Complete GDPR readiness assessment across all key requirements
SOC 2 Readiness
Trust Service Criteria assessment for SOC 2 Type I/II certification
HIPAA Compliance
Administrative, physical, and technical safeguards assessment
ISO 27001 Gap Analysis
Annex A controls assessment for ISO 27001:2022 certification
NIST CSF Assessment
Cybersecurity Framework 2.0 assessment across all core functions
PCI DSS Checker
Payment card industry compliance across all 12 requirements
DORA Compliance
Digital Operational Resilience Act assessment for EU financial services
STAMP Operational Resilience
Operational resilience assessment across Services, Tolerances, Architecture, Monitoring, and Proof — aligned to FCA and DORA
Security vs Velocity Tradeoff
Balance security investment against delivery speed with risk-tiered decision frameworks
Vendor Lock-in Exit Strategy
Assess vendor lock-in risk, define exit triggers, and plan migration strategies
Vendor Risk Assessment
Comprehensive third-party vendor security and compliance evaluation
Security Assessment Checklist
Comprehensive security posture evaluation across all domains
AI Ethics Assessment
Evaluate AI systems for bias, fairness, transparency, and ethical considerations
NIS2 Readiness
EU critical infrastructure cybersecurity directive readiness assessment
CCPA/CPRA Compliance
California privacy law compliance for consumer rights and data handling
EU AI Act Compliance
Assess AI system risk levels under EU AI Act with compliance checklists
WCAG 2.2 Compliance
Web accessibility assessment for A, AA, and AAA conformance
License Compliance Checker
Check open source licenses, detect GPL conflicts, analyze commercial compatibility
Tech Stack Risk Radar
Assess technology adoption risks and create mitigation strategies
🏗️Architecture & Design(11 tools)
Tools for system architecture, design decisions, and technical planning.
Product vs Platform Strategy
Determine if you are building a product or accidentally becoming a platform — and when platform investment is justified
Rewrite vs Refactor
Systematically evaluate whether to rewrite, refactor, or leave a system alone — with risk modeling and hybrid strategies
Build vs Buy Matrix
Framework for make-or-buy decisions with weighted criteria analysis
Architecture Maturity Assessment
Evaluate your architecture practices against industry standards
Architecture Calculator
Estimate system capacity, scaling requirements, and resource needs
Microservices Dependency Mapper
Visualize and analyze service dependencies and communication patterns
Database Migration Risk Assessor
Evaluate risks and plan database migration strategies
Codebase Health Analyzer
Assess technical debt, code quality, and maintainability
Tech Debt Prioritizer
Prioritize technical debt repayment based on impact and effort
API Contract Designer
Design and document APIs with visual endpoint builder, OpenAPI spec generation, and breaking change detection
System Design Canvas
Architecture diagramming with drag-and-drop components, connections, cost estimation, and export to PNG/SVG
☁️Cloud & Infrastructure(7 tools)
Tools for cloud cost optimization, infrastructure planning, and DevOps.
Cloud Cost Estimator
Estimate cloud infrastructure costs across AWS, Azure, and GCP
Kubernetes Cost Optimizer
Analyze and optimize Kubernetes cluster costs and resource allocation
CI/CD Maturity Grader
Assess your continuous integration and deployment practices
Business Continuity Planner
Create and assess disaster recovery and business continuity plans
Connectivity Tester
Browser-based network diagnostics: latency, packet loss, and bandwidth testing
Cloud Outage Tracker
Track major cloud outages from 2020 to present with RCA analysis
API Rate Limit Planner
Design rate limiting strategies for APIs with quota calculations
👥Team & Organization(13 tools)
Tools for team scaling, organizational design, and people management.
CTO-CEO Alignment Framework
Diagnose and improve CTO-CEO alignment across decision boundaries, communication, strategy, and conflict resolution
Decision Velocity Framework
Diagnose decision friction, classify decisions by type, and build delegation models that reduce bottlenecks
Engineering vs Product Tension
Diagnose whether engineering-product tension is productive or destructive and build better collaboration models
Engineering Org Designer
Model team structures, reporting lines, and organizational patterns
Team Scaling Calculator
Plan engineering team growth based on product and business needs
Headcount Forecasting
Project future staffing needs based on growth and attrition
Salary Band Calculator
Create competitive compensation bands for engineering roles
CTO Compensation Benchmark
Research-backed salary and total compensation benchmarks for CTOs and tech executives by company stage, size, and geography
Interview Question Bank
Curated interview questions for engineering roles by level and focus
On-Call Rotation Optimizer
Design fair and sustainable on-call schedules for your team
Engineering Ladder Builder
Design career frameworks with IC and management tracks, competency matrices, and progression criteria
Team Topology Designer
Design team structures based on Team Topologies with stream-aligned, platform, enabling, and complicated-subsystem teams
1:1 Meeting Assistant
Run effective 1:1s with structured templates, AI-suggested talking points, and action item tracking
🔧Operations & SRE(6 tools)
Tools for incident management, SRE practices, and operational excellence.
Incident Postmortem
Structure blameless postmortems with action items and learnings
Incident Response Planner
Create and maintain incident response runbooks and procedures
Incident Severity Classifier
Consistently classify incident severity based on impact criteria
SLA Generator
Create service level agreements with appropriate targets and terms
Experimentation Framework
Assess experimentation maturity, design experiments with statistical rigor, and build a culture of validated learning
Engineering Metrics Dashboard
Track DORA metrics and engineering team performance
📊Planning & Finance(7 tools)
Tools for budgeting, ROI calculations, and strategic planning.
AI Adoption Strategy
Assess AI maturity, evaluate use cases, model costs, and build governance — the complete AI strategy for engineering orgs
Technical Strategy Under Uncertainty
Make technology decisions when the business future is unclear — with optionality, reversibility, and betting frameworks
Engineering ROI Calculator
Calculate return on investment for engineering initiatives
RFP Generator
Create comprehensive RFPs for technology vendor selection
Architecture Scenario Planner
Model different architecture scenarios and compare trade-offs
CTO Rating Framework
Self-assessment tool for CTO skills and development areas
Sprint Capacity Planner
Plan sprint capacity with team availability and velocity tracking
💻Tech Stack & Code Quality(2 tools)
Make informed technology decisions and manage technical debt.
Frequently Asked Questions
What tools do CTOs need?
CTOs need tools across several domains: compliance and risk assessment (SOC 2, GDPR, HIPAA), architecture and design (build vs buy analysis, system design, microservices mapping), cloud cost management (FinOps calculators, Kubernetes optimization), team management (headcount forecasting, salary bands, org design), operations (DORA metrics, incident postmortems, SLA generators), and strategic planning (ROI calculators, tech debt prioritization). The Art of CTO provides 60+ interactive tools covering all of these areas.
Are these CTO tools free to use?
The majority of our tools are completely free with no signup required. They run entirely in your browser so your data stays private. A small number of premium tools — such as the Engineering Ladder Builder, System Design Canvas, and API Contract Designer — offer advanced features like database persistence and export capabilities through a paid subscription.
How do I choose the right tool for my situation?
Start by identifying your immediate challenge. If you are preparing for an audit, use our compliance assessments (SOC 2, GDPR, ISO 27001). If you are evaluating a technology decision, try the Build vs Buy Matrix or Tech Stack Decision tool. For team growth, use the Headcount Forecasting or Team Scaling Calculator. Each tool includes guidance and context to help you interpret your results and take action.
Can I use these tools for board presentations and executive reporting?
Yes. Many of our tools generate structured outputs, scores, and summaries that are ideal for board decks and executive reporting. The Engineering ROI Calculator, Architecture Maturity Assessment, and DORA Metrics Dashboard all produce data you can share with stakeholders. Premium tools also support PDF and spreadsheet exports.
How are these tools different from generic project management software?
These tools are purpose-built for technology leaders, not generic teams. They encode domain expertise — like DORA metrics benchmarks, SOC 2 trust service criteria, and architecture maturity models — so you get actionable assessments rather than blank templates. Each tool reflects real-world CTO challenges and best practices from the engineering leadership community.
Ready to level up your technology leadership?
Browse all tools by category, or unlock premium features like database persistence, PDF exports, and AI-powered insights.