Linga rOS is a company based in Naples, Florida that caters to the hospitality sector, specifically quick service restaurants and lounges. They offer a range of products, including LINGA pos, LINGA olo, and LINGA qr. In September 2022, the company was acquired by PNC Financial Services Group. Their cloud-based operating solution for restaurants includes features such as online ordering, inventory management, and self-service. They offer both annual and monthly subscription packages.