BigMarker is a Chicago-based, browser-based digital experience platform for webinars, virtual, hybrid, and in-person events. Founded in 2010, it lets organizations host live, on-demand, and automated presentations, trainings, and conferences with no download required. The platform combines webinar hosting with marketing features such as registration/landing pages, CRM data capture, email automation, engagement tools, mobile event apps, and AI-powered content tools. It supports up to 10,000 concurrent webcams and 500,000 live attendees, serving enterprises, associations, and media companies for demand generation and customer education.