Free Engineering & Architecture Tools
Interactive utilities built by senior architects to size your infrastructure, calculate self-hosted SaaS savings, and estimate custom mobile app sprints.
VPS Server Hardware & Database Sizer
Calculate recommended CPU cores, RAM, MySQL buffer pools, and Redis cache sizing for marketplace scripts based on your expected concurrent traffic.
RAM & CPU sizing
Hetzner / DO / AWS cost estimate
Nginx config snippet
Launch Free Tool
Self-Hosted vs. SaaS ROI Savings Calculator
See how much you save by replacing recurring SaaS subscriptions (Zapier, HubSpot, Shopify Plus, Kajabi) with self-hosted open-source software.
1-Year & 3-Year savings
Zero user seat fees
100% Data privacy
Launch Free Tool
Mobile App Feature Scope & Hours Estimator
Pick your required mobile features (GPS tracking, Push notifications, Stripe payments, Biometrics) and get an instant sprint hours and £50/hr cost breakdown.
Flutter & Native scope
Direct intake prefill
Milestone roadmap
Launch Free Tool
Need a senior developer to build and deploy your platform?
We provide turnkey setup on your private server, compiled mobile app binaries, and custom full-stack engineering at flat £50.00/hour ($65 USD).