Tools for validation.

Google Forms is a free form and survey builder that collects responses into a spreadsheet. It supports multiple question types, basic logic, quizzes, and auto-close by date or response count.

Typeform builds conversational, one-question-at-a-time forms, surveys, and quizzes with a polished, on-brand look. It includes logic jumps, integrations, and response analytics.

A dead-simple builder for single-page sites — landing pages, link-in-bio pages, and simple portfolios.