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 918 starts, 23 support threads and 23 support thread resolved, 16,511,726 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 2,024 starts, 414 support threads and 121 support thread resolved, 267,420,704 downloaded and installed by 5+ million users.