4D is a powerful and intuitive development environment that integrates SQL databases and a complete HTTP server. You can organize data – from any table or record – into individual objects based on JSON (JavaScript Object Notation), a lightweight interchange format that allows your data to be shared all throughout – and external to – your 4D solution.
v13.0 [Feb 16, 2012]
Boasting over 200 new features that address the latest technologies, 4D v13 is designed to make your development better: Both in terms of the features and functionalities you can bring to users, and to the daily task of writing and maintaining your code.