Sage ERP X3 is a next-generation user-centric enterprise resource planning solution designed for mobile, social, and collaborative business environments. It features a flexible architecture that supports multiple deployment options, including on-premise, private cloud, and hybrid models, and it emphasizes usability, security, and integration with other systems. The technology stack utilizes modern components like Node.js, MongoDB, and RESTful APIs, which enhance mobility and allow for efficient data management and real-time access to business intelligence.