Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
Syntax Highlighter supporting multiple languages, themes, fonts, highlighting from a URL, or post text.
wp-exchange.link is WordPress Pingback Link Exchange System that you can get free permanent backlinks and traffic to your WordPress site.
MultiEdit adds tinyMCE editable "blocks" to WordPress custom page templates.
RatingChamp - WooCommerce Shop Ratings and Reviews you can trust
Create custom fields, new product page tabs and re-arrange tabs, including the default WooCommerce ones
Disable any user(except Admins), to access(modify) their profile page.