Google Docs Form is a great way to add a simple interactive form for your blog or website. After log into your Google Docs account you will be having a options to add a new form.
It will take you to a simple page where you can create the form you want. Form can have text areas, multiple choice, check boxes and scales.
Options
1. You can email the form to all the contacts in your Gmail address book or any new email address.
2. You can view the summery in Google Spread sheet. So later if you are planing to migrate to a database or analyse your data you can do it in straight away.
3. You can embed the form to your blog or you can have it as a different page.
Whats Missing
1. Not possible to change the layout or template of Google Doc forms.
Overall Google Doc Form is a good way to add a contact form or any other interactive form.
Formspring is another way of adding a cool form without any programming or html knowledge. As Formspring is specially for creating forms it got all most all the features you would like to see.
Data analysing tools, Export to excel, Email when someone submit a form are few of the options you can enjoy.
Formspring and Google Doc Form are two free tools you can use to add a clean and simple interactive form to your blog. You can create it without any html or programming knowledge.