User.com (rebranded as Positive User) is an all-in-one marketing automation platform from Poland. Its web interface supports newsletters, automated workflows and multichannel messaging (email, SMS, web push, in-app). The site shows a library of over 50 ready-to-deploy automation workflows. It touts experience (“25 years in martech”) and scale (800,000+ monthly active users) and notes that over 15,000 marketing teams use the platform. User.com integrates analytics and CRM, aiming to help businesses turn customer engagement and compliance with privacy standards into growth.