Presto is an open-source distributed SQL query engine designed for running interactive analytic queries against large datasets. It allows users to query data from various sources, including Hadoop, Amazon S3, and traditional databases, using a single SQL interface. Presto is known for its speed and scalability, making it suitable for big data analytics. Originally developed by Facebook, Presto has gained popularity in the data engineering community for its ability to handle complex queries efficiently. It supports a wide range of data formats and integrates well with other data processing tools, enabling organizations to analyze data quickly and effectively.