Links to other external resources

Commercial I-4GL compilers:

• Informix, original maker of 4GL, and maker of THE database (now owned by IBM)

• 4Js, French maker of several implementations of commercial 4GL, and source of Informix D4GL

• Querix, English maker of 4GL compilers and tools.

• ArtInSoft, maker of 4GL to Java translator

• Etrus 4GL compiler and and 4GL CASE Tools

• SuperNova I4GL Extender, uses I-4gl compiler

• Infoflex, US maker of 4GL compiler with commercially available source code and Informix ESQL/C and SE engine compatible products.

• Plexus XDP AD32 4Gl compiler with strong image processing focus

See 4GL compilers compared page for more on different available 4GL compilers and tools

Commercial I-4GL tools:

• 4gl based modifiable financial and distribution software, and 4gl CASE tools: 
  (also known as "Endura", formerly "FourGen")
  Fourth Generation
  or
  Gillani, Inc. 

• Power-4gl, toolkit of general purpose functions, by John H. Franqtz of Heilabrot. Also a freeware version.

• 4glWorks, an application framework for x4gl by Marco Greco. (Free for non-commercial use) And more...

• GWD, shareware Win32 editor with 4GL IDE extensions (see Projects - GWD::4gl on falout.com for extensions soon)

• CodeForge, commercial IDE with 4gl support

• ThinSoft Accounting, Unique Systems OpenSource 4GL ERP accounting applications

GNU resources of interest:

• WTK - another Windows port of Tk - Written by Leo Nolastname, at Brückner & Jarosch, used by 4Js to make GUI front-end. 

• Source Navigator - IDE environment that will serve as GUI IDE for Aubit 4GL. See RFC- IDE for 4gl development

I-4GL Resources:

• Informix Unleashed, complete book in HTML format about Informix products, by John McNally. You will find several complete chapters about 4GL language there, including chapters on Informix database servers. You will also learn there that "To develop with a 4gl, the developer does not have to be an expert programmer". 

• C.D.I. - comp.databases.informix newsgroup.

• IIUG, Informix International User Group

• IDN, Informix developers network. There is also a D4GL newsgroup there. 

• Inxutil, Tim Schaefer's "International Web Magazine for Informix Professionals". Also InxUtil 4gl Toolkit for rapidly prototyping 4GL applications.

• Informix by example, Informix site dedicated to examples of all sorts for Informix products.

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