Formidable Forms – Contact Form, Survey, Quiz, Calculator & Custom Form Builder, The most advanced WordPress forms plugin. Go beyond contact forms with our drag and drop form builder for surveys, quizzes, and more.. It was authored by Strategy11 Form Builder Team. It currently has around 934 starts, 16 support threads and 14 support thread resolved, 17,266,201 downloaded and installed by 300,000 users.
Contact Form 7, Just another contact form plugin. Simple but flexible.. It was authored by Takayuki Miyoshi. It currently has around 2,035 starts, 318 support threads and 102 support thread resolved, 277,442,118 downloaded and installed by 5+ million users.