LearnDash is a full-featured WordPress LMS plugin that allows you to easily create and sell courses online.

GamiPress is the easiest way to gamify your WordPress website in just a few minutes, letting you award your users with digital rewards for interacting with your site.

FluentCRM is a complete feature-rich Email Marketing & CRM solution that lets you manage your customer relationships, build your email lists, send email campaigns, build funnels, and make more profit and increase your conversion rates.

BuddyBoss is the #1 open source platform focused on sell memberships, courses, and build online communities, giving you the flexibility, control and freedom you need, to create a successful online platform. The BuddyBoss team has created 2 fantastic solutions for online platforms:
1) A full featured plugin with tons of community-based features.
2) A beautiful theme to improve the design of its platform and with support with a great number of plugins.

Elementor is a website builder that delivers high-end page designs and advanced capabilities, never before seen on WordPress. Elementor Forms is a flexible drag and drop form builder with full design control included on Elementor Pro.

Groundhogg is a open source marketing automation tool built for power WordPress users. Imagine having your CRM, Email Marketing, SMS Marketing and more, all contained in your WordPress environment!

HappyForms is a free form-builder plugin that allows you to easily build advanced forms for your WordPress-powered website.

WP Simple Pay is the best Stripe payments plugin for WordPress that lets you start accepting one-time and recurring payments without setting up a shopping cart. Note: This add-on works with WP Simple Pay Lite and Pro versions.

WP Courseware is a full-featured WordPress LMS plugin that allows you to easily create and sell courses online.