There are numerous plugins available for building WordPress sites, and the best ones can vary depending on your specific needs and preferences. However, I can provide you with a list of popular and highly recommended plugins that can greatly enhance your WordPress site-building experience:

Elementor: A powerful drag-and-drop page builder plugin that allows you to create stunning and responsive layouts without any coding knowledge.

Yoast SEO: Helps optimize your website for search engines by providing SEO analysis, content insights, and recommendations.

WooCommerce: An essential plugin if you plan to run an online store. It adds robust e-commerce functionality to your WordPress site.

WPForms: A user-friendly plugin for creating contact forms, surveys, and other types of forms, enabling easy communication with your site visitors.

Akismet: Provides spam protection for your website's comments and contact forms, helping to keep your site free from unwanted content.

MonsterInsights: Integrates Google Analytics with your WordPress site, providing detailed insights into your site's performance and visitor behavior.

Sucuri: A security plugin that offers website monitoring, malware scanning, and firewall protection to keep your site secure.

UpdraftPlus: Simplifies website backups and restoration, allowing you to easily schedule automatic backups and store them on cloud services like Dropbox or Google Drive.

W3 Total Cache: Improves your site's speed and performance by caching content and optimizing server resources.

Smush: An image optimization plugin that reduces file sizes without compromising quality, resulting in faster loading times for your site.

Remember, this is just a small selection of the vast range of plugins available for WordPress. It's important to consider your specific needs and research each plugin thoroughly before installing to ensure compatibility and functionality.