4D Inc.

4D Inc
Formerly	ACI US
Type	Private
Founded	1984; 42 years ago in Cupertino, California, United States
Founder	Laurent Ribardière
Headquarters	95 South Market Street Suite 240, San Jose, CA, USA
Areas served	USA & English-speaking Canada
Products	4D
Services	Software, Support, Professional Services
Website	us.4d.com

4D Inc is a US-based subsidiary of 4D SAS and publisher of 4D. It was established in 1984 and initially led by Guy Kawasaki.^[1] 4D is the developer and publisher of 4D (or 4th Dimension). 4D was founded in 1984 when development began for Silver Surfer (early code-name for 4D) and had its initial product release in 1987^[2]^[3]^[4] with its own programming language.^[5]

After 16 years of operating as ACIUS from 1984 to 2000, the name was officially changed to 4D Inc.^[6]

4D is also the original developer of Wakanda.^[7]^[8]

References

↑ "Who Is Guy?". GuyKawasaki.com. Retrieved 2026-04-22.
↑ "Overdue Apple Server Goes to Market". ComputerWorld. 26 January 1987.
↑ "New Database Software Program Moves Macintosh Into The Big Leagues". chicagotribune.com. 28 June 1987.
↑ "Seeking 4th Dimension? Take Heart, It's Now In Town". chicagotribune.com. 12 July 1987.
↑ "High-End Mac Database Offers Own Programming Language". InfoWorld. 16 March 1987.
↑ "Good Bye ACI US, Hello 4D, Inc". MacNews.com.
↑ "4D Launches Wakanda JavaScript Stack for Web and Mobile Application Development". marketwired.com. June 28, 2012.
↑ "4D Launches Wakanda JavaScript Stack for Web and Mobile Application Development". finance.yahoo.com. June 28, 2012. Archived from the original on March 6, 2016.

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[1] "Who Is Guy?". GuyKawasaki.com. Retrieved 2026-04-22.

[2] "Overdue Apple Server Goes to Market". ComputerWorld. 26 January 1987.

[3] "New Database Software Program Moves Macintosh Into The Big Leagues". chicagotribune.com. 28 June 1987.

[4] "Seeking 4th Dimension? Take Heart, It's Now In Town". chicagotribune.com. 12 July 1987.

[1987LangRef-5] "High-End Mac Database Offers Own Programming Language". InfoWorld. 16 March 1987.

[6] "Good Bye ACI US, Hello 4D, Inc". MacNews.com.

[7] "4D Launches Wakanda JavaScript Stack for Web and Mobile Application Development". marketwired.com. June 28, 2012.

[8] "4D Launches Wakanda JavaScript Stack for Web and Mobile Application Development". finance.yahoo.com. June 28, 2012. Archived from the original on March 6, 2016.

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A page that knows where it met you.

References