Restrict Role Login
Allows administrators to restrict user login based on user roles.
Plugin Tag: sign up
ShortBurst Newsletter Sign Up
Add a ShortBurst newsletter sign up widget to your WordPress website or blog.
Signups
Signups allows you to easily create and manage signups for your school, organization or event.…
Traum Captcha
CN: 最基本的形式：
PTOffice Volunteer Sign Ups – Beautiful volunteer sign ups and management made easy
WP Sign Ups is the latest, free, flexible, and greatest volunteer sign up and management…