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Free Business Tools & Research
Free, practical tools and original research from 28thDeveloper for businesses evaluating AI receptionists, websites, missed-call costs, and digital operations.
Last updated: August 2026
Calculators and planning tools
AI Receptionist ROI CalculatorModel the potential revenue impact of answering more calls, using your own call volume, missed-call rate, close rate and monthly cost. Every assumption is editable.Calculate your ROIMissed Call Revenue CalculatorA focused look at the economics of missed calls, with a visual funnel from inbound calls through to estimated revenue at risk.Estimate your revenue at risk2026 Houston Small Business Website BenchmarksA practical planning guide: what a small-business site needs, a project complexity scorer, a conversion checklist and the ownership questions to ask before you hire.Score your website project
Printable checklists
Step-by-step checklists you can work through, print, or save as a PDF before starting a project.
- SEO-Safe Website Redesign ChecklistFor business owners planning a redesign of an existing, indexed website.
- Realtor AI Receptionist Setup ChecklistFor agents and teams turning on an AI receptionist for buyer and seller calls.
- Hiring a Web Developer ChecklistFor owners comparing freelancers, agencies and independent developers.
How to use these tools
Every calculator on this page runs entirely in your browser and produces estimates based on the assumptions you enter. They are planning aids for comparing scenarios, not forecasts of guaranteed results. If you want to see the underlying service these tools relate to, read about our AI receptionist service or review current pricing.
Canonical hub URL: https://www.28thdeveloper.com/resources/tools