The three-volume set LNICST 708-710 constitutes the refereed post-conference proceedings of the 11th EAI International Conference on Smart Objects and Technologies for Social Goods, GOODTECHS 2025, held in Rach Gia, Vietnam, during December 18–20, 2025.The 103 full papers included in these volumes were carefully reviewed and selected from 264 submissions. They are organized into the following topical sections:Part I: Artificial Intelligence and Machine Learning; Computer Vision and Image Processing; Healthcare and Medical Technologies.Part II: Healthcare and Medical Technologies; Natural Language Processing and Large Language Models; IoT and Smart Systems.Part III: IoT and Smart Systems; Cybersecurity and Privacy; Education Technology and Social Impact; Agriculture and Environmental Technologies; Intelligent Control and Transportation Systems.