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SaaS Architect
FreeNo signup required · Works in your browser
Design your SaaS tech stack and architecture before writing a single line of code. Choose your framework, database, auth, payments, hosting, and see a complete architecture diagram with recommendations.
What you can do
Visual architecture diagram builder
Framework and database recommendations
Cost estimation for your stack
Export architecture as image or markdown
Pre-built templates for common SaaS types
Popular templates
Pre-configured for your specific use case
SaaS Architect for MVPSaaS Architect for Micro SaaSSaaS Architect for EnterpriseSaaS Architect for Multi-TenantSaaS Architect for MarketplaceSaaS Architect for B2BSaaS Architect for B2CSaaS Architect for API-FirstSaaS Architect for Developer PlatformSaaS Architect for E-commerceSaaS Architect for Payment PlatformSaaS Architect for FintechSaaS Architect for AI SaaSSaaS Architect for Mobile-FirstSaaS Architect for Real-TimeSaaS Architect for Social App+4 more
Frequently Asked Questions
Is the SaaS Architect really free?
Yes, 100% free. No signup, no credit card, no hidden fees. Use it as many times as you need for any project.
Can I use it for commercial projects?
Absolutely. The output is yours — use it for personal projects, client work, or your startup. No restrictions.
Who built this?
Josué Barros, a software engineer (ex-Sephora · ex-Bradesco · ex-Indeed). Part of the BoilerForge free tools suite.