Four J's provide native drivers to connect to all major database vendors including Adabas, DB2, Genero db, Informix, MS-SQL, MySQL, Oracle, PostgeSQL and Sybase. Moreover, Four J's product architecture allows to connect to all of these database engines simultaneously.

Read about our Open Database Interface: 
Open Database Interface Adaptation Guides

Genero supports the Web Services API standard, which enables programs to pass parameters and file attachments to any other language that supports the same standard. Today, most ERP, SCM, CRM and other business software and languages support Web Services.

Read more about Web Services:
Web Services Extension Manual

Web Services white paper

Our products support multi-byte character sets and we enable locale catalogues too:

Localization documentation

If you are new to Four J's Business Development Language, we recommend you use our visual programming environment Genero Studio. With Studio, you will be able to:
- Create screens visually using a form designer
- Manage your projects for faster modifications and builds
- Debug your applications with graphical debugger
- Write code with an editor that has an embedded compiler to correct your errors in real-time.

Check into the training section for self-paced sessions on how to use Studio.

To download the latest released documentation, Click here.
To browse online the latest Released documentation, Click here.

Go to our download section.
- Enter your customer code and password sent to you at the time of purchase.
- Once logged in, select 'Download' on the left-hand Menu.
- Choose which product you want to download.
- Choose which product version you want to download.
- Check the boxes of modules needed.
- Choose the platform for each selected lines.
- Once finished, click on the download button and download your selection.

Client user interfaces are built on top of an Abstract User Interface XML architecture that enable separation of business logic from the presentation layer. This ensures that the business logic you write, will run on a broad cross ection of GUI APIs.

The Dynamic Virtual Machine establishes a common protocol link with each client type based on XML. This way, you avoid having to learn Microsoft Foundation Classes, Java's Swing, Motif or gtk, or Apple's Carbon or Cocoa. Your business logic will run gorgeous user interfaces transparently across all platforms without recompilation and from the same source tree.

- GDC: Genero Desktop Client (aka Universal Client) based on the QT GUI API. A small piece of software is installed on your Windows, Linux or Macintosh client to render the application screen layouts.

- GDCAX: Genero Desktop Client ActiveX component. Same as the GDC, but provided as an ActiveX. This eases deployment since the application runs within a browser and requires no client software to be installed.

- GWC: Genero Web Client. This is a very advanced client using the HTML API, supporting JavaScript + CSS embedded code for true HTML 'look and feel'.

- GJC: Genero Java Client. This client enables your client user interface to have the same 'look and feel' as other Java applications running on the same system. It can be installed as a standalone component, using Java web start or through an application server.

- GRW: Genero Report Writer. Available Q2 2007. A deamon installed on the client interprets an XML representation of a 'Report' and will convert it to any standard format (PDF, HTML,  PS, etc...)