BlockSurvey is described as 'Privacy-focused surveys, polls & forms'. There are four alternatives to BlockSurvey for Online / Web-based and SaaS. The best alternative is Google Drive - Forms, which is free. Other great apps like BlockSurvey are Form2Sheet (Free), CryptoAlly (Free) and JoInTest (Free).
Google Forms, part of Google Drive , is a tool that allows collecting information from users via a personalized survey or quiz. The information is then collected and automatically connected to a spreadsheet with the same name.
A custom HTML form that stores the responses in Google Sheets. Like the functionality of Google Forms but miss customizability? Form2Sheet is the solution for you. Perfect for contact forms and surveys. No code or back-end needed on your static website.