WordPress (10000 programs)
Pros: Improve search functionality. Customizable forms. Insert anywhere on your site. Integrates with many popular plugins.
Cons: Possible speed issues.
Pros: Responsive and mobile-friendly. Create single or recurring events. Simple user interface. Optimized for search engines.
Cons: User-reported issues regarding unresponsive technical support. Several advertised features for the "lite" plugin version are not free.
Pros: Register quick with your social media profile. No CSS knowledge needed. Beautiful login buttons. Free. 24-hour customer support.
Cons: Can’t log back in when installed.