Complete Roundup of Major Tech Conferences and Seminars in the Second Half of 2025

This organizes by month the schedule of major domestic and international tech conferences and seminars held in the second half of 2025. It broadly covers everything from large-scale global events like SK AI SUMMIT, AWS re:Invent, and GitHub UNIVERSE to domestic developer community events, providing the date, location, registration link, and features of each event.

Major Events in July and August

• July: TOSS MAKERS CONFERENCE 25, Google I/O Extended Incheon 2025, Hanbit Media book talks, OKKY seminars, and more are scheduled.
• August: PyCon Korea 2025 and FEConf 2025 will be held, drawing the interest of Python and frontend developers.

Major Events in September and October

• September: KWDC25(Korean Web Developer Conference), ISMIR 2025(International Society for Music Information Retrieval Conference), and more take place.
• October: OpenAI DevDay 2025(October 6, San Francisco) and GitHub UNIVERSE 2025 proceed, with the OpenAI DevDay application link having been released as of July 13. Early Bird registration is underway for GitHub UNIVERSE.

Major Events in November and December

• November: SK AI SUMMIT 2025(COEX, Seoul) and AI SUMMIT SEOUL & EXPO 2025(November 10-11) will be held. SK AI SUMMIT provides past presentation materials through its YouTube channel, and AI SUMMIT SEOUL focuses on AI utilization strategies across industry sectors.
• December: AWS re:Invent 2025 is scheduled, but the article does not specify a concrete link or detailed schedule.

Year-Round and TBD Events

• Claude Code Hackathon, Team Naver Conference DAN25, Woowacamp 2025, and more were mentioned, while ModuCon, MWC 2026, NVIDIA GTC 2026, and others were listed as to be added throughout the year or as upcoming schedules.