Coda is a platform that combines the functionality of documents, spreadsheets, and applications into a single workspace. It allows users to create interactive documents, spreadsheets, and databases that can be customized to meet specific needs. The platform offers a range of templates and building blocks that users can use to build their own tools and workflows. Coda enables collaboration in real-time, allowing multiple users to work on documents simultaneously and communicate through comments and mentions. It also offers integrations with other tools and services, enabling users to connect data and automate workflows across different platforms.