Meet Raj

<p>This plugin is restricts the number of products that can be added to the cart to just one. This means that if a customer adds a new product to the cart, any existing product will be removed automatically, ensuring that only one product remains in the cart.</p>
<h4>How does One-Item-Allow-Cart work?</h4>
<p>One-Item-Allow-Cart hooks into WooCommerce’s cart handling process and restricts the number of products allowed in the cart to just one. Whenever a new product is added to the cart, any existing product is removed automatically.</p>


One-Item-Allow-Cart

This plugin is restricts the number of products that can be added to the cart to just one. This means that if a customer adds a new product to the car …

taisho

<p>A light plugin that automatically updates cart page and mini-cart when product quantity is changed. Removes the default “Update cart” button. Optionally turns off cart page notices.</p>
<h4>Features</h4>
<ul>
<li>Cart page and mini-cart widget are updated automatically on quantity change through Ajax (no page reloading).</li>
<li>“Update cart” button is removed from the cart page.</li>
<li>Both mouse and keyboard changes are supported.</li>
<li>Works for custom dropdown lists with ‘qty’ class.</li>
<li>Compatible with plugin <a href="https://wordpress.org/plugins/qty-increment-buttons-for-woocommerce/" rel="ugc">Qty Increment Buttons for WooCommerce</a>.</li>
<li>Uses the default WooCommerce cart update event.</li>
<li>Cart update is delayed by time in milliseconds since the last action affecting quantity, changeable in plugin settings, default 1000. It means that the update will fire only once when the customer is done with changes.</li>
<li>Optionally change min quantity in the cart from 0 to 1, on by default.</li>
<li>Optionally remove all notices from the cart page, on by default.</li>
</ul>


Ajax Cart AutoUpdate for WooCommerce

A light plugin that automatically updates cart page and mini-cart when product quantity is changed. Removes the default "Update cart" button …

One-Item-Allow-Cart vs Ajax Cart AutoUpdate for WooCommerce