Open Interface

{{Short description|Cross-platform graphical user interface toolkit}}

class="toccolours" style="float: right; margin-left: 1em; margin-right: 2em; font-size: 85%; background:#c6dbf7; color:black; width:25em; max-width: 25%;" cellspacing="5" |style="text-align: left;"|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.

style="text-align: left;"|—Open Interface Grants Programmer's Wishes, InfoWorld (1991)

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.{{cite journal|journal=InfoWorld|issn=0199-6649|title=Open Interface Grants Programmer's Wishes|author=Martin Marshall|url=https://books.google.com/books?id=vVAEAAAAMBAJ&pg=PT68|accessdate=18 August 2011|date=18 March 1991|publisher=InfoWorld Media Group, Inc.|page=68}} The toolkit made use of widgets and produced ANSI C code.{{cite web|url=http://ksi.cpsc.ucalgary.ca/courses/451-97/HumanFactors.html|title=Practical Software Engineering|last=Kremer|first=Rob|work=451 Human Factors|accessdate=18 August 2011}}

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.{{cite web|url=http://www.presenter5.com|title=HCL Presenter5 |archive-url=https://web.archive.org/web/20130819074227if_/http://www.presenter5.com:80/ |archive-date=2013-08-19 |access-date=2021-05-20}}