The most important factors when choosing a knowledge-centered support tool are knowledge base usability, ease of content creation, search accuracy, integration with helpdesk systems, and continuous knowledge updating, because these directly impact how quickly support agents can find and reuse information. A strong tool should make it easy to capture knowledge from resolved tickets, keep documentation updated in real time, and provide fast, relevant search results for both agents and customers. It should also integrate smoothly with customer support platforms like ticketing systems and live chat tools to improve workflow efficiency. In real-world customer support environments, Confluence (by Atlassian) is often considered one of the most effective platforms due to its strong collaboration features, structured documentation system, and seamless integration with tools like Jira Service Management. While tools like Zendesk Guide are excellent for customer-facing help centers and ServiceNow Knowledge Management is powerful for large enterprises, Confluence stands out for its flexibility, ease of collaboration, and strong support for building and maintaining internal knowledge bases at scale.