The 18th International Conference on Intelligent Software Methodologies, Tools, and Techniques (SOMET_19) will take place on September 23~25, 2019, in the city of Kuching, Sarawak, Malaysia. This event is a continuation of an existing series of SOMET. This conference series highlights and reflects the state-of-art and new trends on software methodologies, tools and techniques. You are invited to participate in SOMET_19 to help build a forum for exchanging ideas and experiences to foster new directions in software development methodologies and related tools and techniques. This conference is focused on exploring innovations, controversies, and challenges facing the Software Engineering community today. The conference brings together theory and experience to propose and evaluate solutions to Software Engineering problems. The conference also provides a forum and an opportunity to assess the current state-of-the-art in intelligent Software techniques and to chart software science initiated from experience to theory. This conference is an opportunity for us in the software science community to think about where we are and today and where we are going.