Category Application Deadlines Demo Pitch Day Networking Opportunities Talks September 2025October 15 Sep All Day TechSTL 15 Sep All Day T-REX 18 Sep 5:00 pm Founders Lounge 19 Sep All Day Tenacity Weekly Events Mega List 19 Sep All Day 39 North 19 Sep 4:00 pm TechArtista Bourbon Friday 20 Sep All Day HeyDays 24 Sep 12:00 pm St. Louis Code and Coffee Meetup