The best alternatives to Dropform are FormKeep, Hit Me Up, and Formaholic. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Dropform?
Hurree— The smarter, simpler way to analyze your data
No iframes, JavaScript embeds, or CSS overrides. Filter submissions for spam. Forward them with webhooks. Great with WordPress, Jekyll, Middleman, or other static sites.
Octavalidate is a validation library that helps to validate your forms both client side and server side using validation rules, sophisticated regular expressions, and form input attributes.