Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
Jetpack - Jetpack offers SEO and security plugins for Wordpress.
Instantly - Build your own infinitely scalable cold email outreach system with Instantly.
WP User Manager - The most customizable profiles, community builder and membership WordPress plugin
Snov.io - Sales engagement on autopilot.
UpStream Plugin - UpStream Plugin is a free-to-use project management plugin that allows you to manage various types of projects right from your WordPress site.