ATutor
ATutor is an open source, web-based learning management system written in PHP designed for developing and delivering online courses. It supports professional development for teachers, career developers, and academic researchers across various operating systems. The platform allows administrators to install or update the system in minutes, create custom themes, and extend functionality using feature modules. Educators can quickly assemble, package, and redistribute standardized instructional content while easily importing prepackaged courses. Students benefit from an accessible and adaptive social learning environment. ATutor prioritizes accessibility with text alternatives for visual elements and full keyboard navigation, enabling blind users to operate the interface via screen readers without a mouse. It adapts to diverse technologies including mobile phones, PDAs, and text-based browsers. The system is flexible regarding teaching scenarios through customizable themes, user privileges, tool modules, and grou