Rank
#1	GravityWP – CSS Selector	99				4
#2	HubSpot – CRM, Email Marketing, Live Chat, Forms & Analytics	99		1		9
#3	Crowdsignal Forms	98	4			2
#4	Zoho Forms – Drag & Drop Form Builder for Websites – Contact Forms, Payment Forms, Order Forms & More	96	3	1	7	4
#5	Gravity Forms CSS Ready Class Selector	95	8	7		5
#6	RD Station	94	6	8	6	32
#7	Contact Form & SMTP Plugin for WordPress by PirateForms	92				103
#8	Gravity Forms Constant Contact	89	18	21		19
#9	Gravity Forms + Custom Post Types	86	24	15	5	8
#10	Database Addon For WPForms ( wpforms entries ) – WPFormsDB	82	53	5		6

Plugins tagged forms