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Draw up your dream app

For years, 4D has been putting the "rapid" in Rapid Application Development. Its intuitive design environment makes for dramatically short turnaround times from concept to product, design to debug, layout to launch.
Structure Editor
The Structure Editor allows you to quickly
visualize - and rearrange - your application's

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4D Server

4D Web Application Server

4D SQL Desktop

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4D Developer Standard

4D Developer Professional

4D Team Developer Professional

4D for OCI Expansion

The 4D for OCI Connectivity Plug-in allows 4D to communicate with Oracle servers

4D for OCI allows access to the data and structure of Oracle databases from most 4D applications.


4D ODBC Pro Expansion

Communicate with any data source accessible by an ODBC driver, enabling you to handle the data and structure of a SQL data source

4D ODBC Pro provides access to nearly all ODBC applications on the market, allowing you to build anything from simple queries to transaction-based client/server applications.


4D SQL Expansion

Add unlimited external SQL connections to your 4D Server-based application

The 4D SQL Expansion allows unlimited incoming SQL connections to your 4D Server application.


4D Web Application Server

The 4D Web Application Server integrates a full-featured Web server with complete 4D database server integration on either the Mac or Windows platform. There are no limits to the number of web connections.
4D Web Application Server

4D Write Expansion

4D Write provides you with sophisticated word processing and document management functionality within your 4D applications.
4D Write

4D Web Services Expansion

Web Services can be consumed or published. The ability to consume Web Services comes as a standard feature in 4D. This additional license is necessary to publish Web Services.

Your 4D application can publish Web Services in either DOC or RPC style, with just a single click. In addition, you get programmatically controllable security features and automatic WSDL (Web Services Definition Language) publication.


4D Web Application Expansion

Accept unlimited connections to your 4D application's built-in HTTP server

4D Web applications can be created using 4D’s extremely flexible and extensive built-in capabilities.