- HTML/HTML5
- CSS – SASS, Tailwind, Bootstrap;
- JavaScript – React.js, Node.js, Express;
- PHP – Laravel, Symfony, CodeIgniter;
- Databases – MySQL, MongoDB, RDS;
- Mobile-friendly (responsive) websites
- CMS (content management system) – WordPress, Strapi, Drupal;
- E-Commerce – WooCommerce, Shopify, Magento;
- CRM (client relationship management) – HubSpot, SugarCRM, vTiger;