Open Interface

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A toolkit that can give applications the look of several major windowing environments running on several different operating systems is something of a programmer's dream.
Open Interface Grants Programmer's Wishes, InfoWorld (1991)[1]

Open Interface was an early cross-platform graphical user interface toolkit by Neuron Data. Released in March 1991, Open Interface featured a WYSIWYG editor and supported DOS, Macintosh, OS/2, VMS, Microsoft Windows 3.0, and other platforms.[1] The toolkit made use of widgets and produced ANSI C code.[1][2]

The product was well received and considered an industry standard at the time.

Neuron Data sold the rights to the product to HCL where it continues its life under the Presenter5 name.[3]



  1. ^ a b c Martin Marshall (18 March 1991). "Open Interface Grants Programmer's Wishes". InfoWorld. InfoWorld Media Group, Inc.: 68. ISSN 0199-6649. Retrieved 18 August 2011. 
  2. ^ Kremer, Rob. "Practical Software Engineering". 451 Human Factors. Retrieved 18 August 2011. 
  3. ^ "HCL Presenter5". 
  4. ^ "Neuron Data wins cross-platform race: OPEN INTERFACE earns The X Journal 1995 Editor's Choice Award; Neuron Data posts record revenues with proven, customizable tools for developing business-critical applications.". May 2, 1995. Retrieved 18 August 2011.