Email and lifecycle
Provides campaign and transactional breadth with a published free tier and a low paid entry point.
BrevoCurated stack
The Indie Hacker Stack Under $50
A deliberately lean stack for solo builders and bootstrapped products, using capable free tiers for email, behavioral research, website diagnostics, and workflow automation before paid complexity is justified.
Behavior analytics
Supplies recordings and heatmaps without adding a software charge.
Microsoft ClarityTechnical site audit
The free 500-URL edition covers many early product and marketing sites.
Screaming Frog SEO SpiderWorkflow automation
Adds visual automation with a published no-time-limit free tier.
MakeNo placement in this stack is sponsored. Free-tier limits and vendor terms should be rechecked before adoption.