This research aims to develop and evaluate a web-based knowledge sharing model designed to increase the knowledge capacity of students and lecturers. Effective knowledge sharing is essential to support collaborative learning and improve access to information in academic environments. The study employed the Research and Development (R&D) method with the ADDIE model to design and evaluate a platform integrating a content management system (CMS), discussion forums, a question and answer feature, and project collaboration spaces, while analyzing user interaction data to identify usage patterns and content preferences. Results show that the platform successfully increased user engagement, expanded access to information, and strengthened connections between students and lecturers. Functionality testing achieved an 86.7% success rate, system uptime reached 98%, and average user satisfaction was 4.2 out of 5. Expert validation confirmed a "very valid" rating across all dimensions. Paired sample t-test analysis revealed a significant difference between pre-test and post-test scores (Sig. 0.000 < 0.05), with a gain score of 0.56 (medium category). These findings confirm that the model effectively enhances users' knowledge capacity and academic collaboration, and is recommended as a reference for higher education institutions in developing more effective, technology-based collaborative learning strategies.
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