As an AI language model, I don't have personal experiences or preferences. However, I can provide you with a list of popular ecommerce tools that businesses commonly use for their online operations. Here are some examples:

1. Shopify: Shopify is one of the most widely used ecommerce platforms. It offers a user-friendly interface, customizable themes, and a range of features such as inventory management, payment gateways, and marketing tools. Reference: www.shopify.com

2. WooCommerce: WooCommerce is a popular plugin for WordPress websites. It enables businesses to turn their WordPress site into an ecommerce store. It offers various extensions, themes, and integrations for enhanced functionality. Reference: www.woocommerce.com

3. Magento: Magento is an open-source ecommerce platform that is highly scalable and customizable. It provides advanced features like multi-store management, SEO optimization, and extensive integrations. It caters to medium to large-sized businesses. Reference: www.magento.com

4. BigCommerce: BigCommerce is a cloud-based ecommerce platform that offers a comprehensive set of features including responsive themes, built-in SEO tools, and multi-channel selling capabilities. It is suitable for businesses of all sizes. Reference: www.bigcommerce.com

5. Squarespace: Squarespace is a website builder that also provides ecommerce functionality. It offers visually appealing templates, easy-to-use tools, and integrated marketing features. It is suitable for small to medium-sized businesses. Reference: www.squarespace.com

6. PrestaShop: PrestaShop is an open-source ecommerce solution that provides a wide range of features, including a customizable storefront, product management, and marketing tools. It is suitable for businesses of all sizes. Reference: www.prestashop.com

7. OpenCart: OpenCart is a free and open-source ecommerce platform that offers a user-friendly interface, multi-store functionality, and a wide range of extensions. It is suitable for small to medium-sized businesses. Reference: www.opencart.com

These are just a few examples of popular ecommerce tools available in the market. The choice of tools depends on the specific requirements of your business, such as budget, scalability, customization needs, and integration capabilities. It is always recommended to research and evaluate different options before making a decision.