1. Give: https://wordpress.org/plugins/give/ - empower your cause: start accepting donations on WordPress with Give.
2. BuddyPress: https://buddypress.org/ - run your own social network
3. bbPress: https://bbpress.org/ - forums made the WordPress way
4. Contact Form 7: https://wordpress.org/plugins/contact-form-7/ - contact form
5. WPForms Lite: https://wordpress.org/plugins/wpforms-lite/
6. The Events Calendar: https://wordpress.org/plugins/the-events-calendar/ - plugin that lets you easily share your events.
7. Soliloquy Slider plugin can be found inside the plugins folder
8. WooCommerce: http://wordpress.org/plugins/woocommerce/ - create your own shop
9. Elementor: https://wordpress.org/plugins/elementor/ - page builder
10. PeepSo Core: https://wordpress.org/plugins/peepso-core/ - Social network for WordPress – in just a few clicks!
11. Widget Visibility: https://wordpress.org/plugins/widget-visibility/ - A simple and easy way to control which pages your widgets appear.