As per my experience Zendesk is a very impressive, efficient and convenient web based help desk application.
Zendesk, an agile platform, offers multi-channel support, Salesforce integration, and collaboration tools. Its straightforward setup allows rapid adoption, enhancing customer experience with automatic ticket features. Zendesk's scalability, API support, and customizability facilitate productivity. However, it requires improvements in flexibility, data sharing security, QR code integration, and customization options. Enhanced HTML support in tickets is needed, with Zendesk Guide requiring better asset management features.