Retool is a software company based in San Francisco, founded in June 2017 by CEO David Hsu. The company specializes in a low-code platform that enables developers to quickly and efficiently build custom internal tools. Its platform features customizable building blocks like tables, buttons, and data connectors, allowing developers to focus on the unique business logic of their applications.

Retool's offerings include a low-code development environment for creating internal applications such as dashboards and operational tools. The platform supports enterprise-grade features, including permissions and integrations, to enhance complex workflows. Retool serves a diverse range of clients, including notable companies like Brex, DoorDash, Amazon, and Allbirds. With a team of around 300 employees, Retool has achieved significant growth, reaching over $90 million in annual recurring revenue by 2023 and a valuation exceeding $3 billion.