CODEFEST is SLIITs effort to elevate the nations ICT knowledge to achieve the aspiration of becoming Asias knowledge hub. Realizing the countrys current needs, the Faculty of Computing is conducting CODEFEST, a Nationwide Software Competition in collaboration with the Ministry of Education.

Wiramya is a classical music and dance event organized by the Faculty of Computing Student Community. It showcases traditional Sri Lankan art forms, offering a vibrant cultural experience that connects students and faculty through the beauty of music and dance.

SLIIT Carols is an annual Christmas celebration that brings together students and staff for an evening of festive music and joy. The event features student performances, choirs, and holiday spirit, fostering unity and warmth across the university community.

Kalaanethraa is a mesmerizing celebration of Tamil culture and traditional arts. It brings to life the vibrant essence of Tamil heritage through captivating performances that highlight the beauty, depth, and elegance of our communities timeless traditions.

SLIIT Dansal is a heartwarming annual tradition held during Vesak and Poson seasons, where different faculties come together to serve free meals or refreshments to the public. It reflects the university & commitment to kindness, unity, and cultural values through the simple act of giving.

SLIIT BASH is an exciting inter faculty cricket tournament that brings together students, alumni, and staff in a spirited display of sportsmanship and teamwork. The event energizes campus life and fosters unity through the shared passion for cricket.

The annual Dharma Deshana program, organized by the Business School Students Community, is a meaningful spiritual initiative that promotes mindfulness, ethical living, and inner reflection. Held within the university premises, the program brings together students, academic staff, and well-wishers to engage in an atmosphere of peace and contemplation.