Gapminder World is powered by Trendalyzer and Google Spreadsheet. there are video-tutorials in the "help pages" available in the upper left corner of Gapminder World.
Factual is a platform where anyone can share and mash open data on any subject. For example, you might find a comprehensive directory of restaurants along with dozens of searchable attributes, a huge database of published books, or a list of every video game and their cheat codes. We provide smart tools to help the community build and maintain a trusted source of structured data.
Swivel is a website where people share reports of charts and numbers. Swivel is free for public data, and charges a monthly fee to people who want to use it in private.
Forms are created in Google Docs spreadsheets via the share tab, select "to fill out a form." Multiple-choice or free-response questions can be added as you wish, plus the email addressed of recipients.