Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and

Jonathan Sachs Jonathan Sachs (born June 25, 1947) is a programmer who co-founded Lotus Development Corporation with Mitch Kapor in 1982 and created the first version of the Lotus 1-2-3 spreadsheet program. Sachs left Lotus in 1985 to develop photo-editing so ...

, both having left their jobs as system programmers at Data General Corporation. Originally, the company undertook a variety of software consulting projects for the Data General line of computers. In 1981, the company developed a spreadsheet product, CompuCalc, that ran on Data General hardware and was modeled after

VisiCalc VisiCalc (for "visible calculator") is the first spreadsheet computer program for personal computers, originally released for Apple II by VisiCorp on 17 October 1979. It is often considered the application that turned the microcomputer from a ...

. In 1982, Sachs left and joined

Mitch Kapor Mitchell David Kapor ( ; born November 1, 1950) is an American entrepreneur best known for his work as an application developer in the early days of the personal computer software industry, later founding Lotus, where he was instrumental in devel ...

to found

Lotus Development Corporation Lotus Software (called Lotus Development Corporation before its acquisition by IBM) was an American software company based in Massachusetts; it was "offloaded" to India's HCL Technologies in 2018. Lotus is most commonly known for the Lotus 1-2- ...

. Concentric transitioned to a product development company, producing a series of software products for the

IBM PC The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a tea ...

. The products were a file manager, C.I.P, followed by a report writer for Lotus, 1-2-3 Report Writer, followed by a series of report writers marketed under the name R&R. The R&R products worked with

dBase dBase (also stylized dBASE) was one of the first database management systems for microcomputers and the most successful in its day. The dBase system includes the core database engine, a query system, a forms engine, and a programming langua ...

, FoxBase,

FoxPro FoxPro was a text-based (computing), text-based Procedural programming, procedurally oriented programming language and database management system (DBMS), and it was also an object-oriented programming language, originally published by Fox Softwa ...

, and various SQL database products. In 1995, Concentric Data Systems was acquired by Wall Data Corporation of Kirkland, WA. In 1999, Liveware Publishing, Inc. acquired the copyrights and intellectual property of the entire R&R and Arpeggio product line from Wall Data Corporation. R&R has been continuously updated and sold through the present.

References

External links

Official Website
*{{cite book, url=https://books.google.com/books?id=My8EAAAAMBAJ&dq=lotus+123+report+writer&pg=PA34 , title=InfoWorld , page=34 , date=1985-12-02 , accessdate=2017-01-17
Arpeggio
1995 mergers and acquisitions American companies established in 1979 American companies disestablished in 1995 Computer companies established in 1979 Computer companies disestablished in 1995 Defunct companies based in Massachusetts Defunct computer companies of the United States Defunct software companies of the United States Information technology companies of the United States Software companies established in 1979 Software companies disestablished in 1995 Technology companies established in 1979 Technology companies disestablished in 1995