About: Concentric Data Systems

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Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, 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. In 1982, Sachs left and joined Mitch Kapor to found Lotus Development Corporation. In 1995, Concentric Data Systems was acquired by of Kirkland, WA.

Attributes	Values
rdf:type	Thing company schema:Organization dul:Agent dul:SocialPerson agent wikidata:Q24229398 Organization Business enterprise yago:WikicatCompaniesBasedInMassachusetts yago:WikicatCompaniesEstablishedIn1979 yago:Abstraction100002137 yago:Company108058098 yago:Group100031264 yago:Institution108053576 yago:Organization108008335 yago:WikicatInformationTechnologyCompaniesOfTheUnitedStates yago:YagoLegalActor yago:YagoLegalActorGeo yago:YagoPermanentlyLocatedEntity organisation yago:SocialGroup107950920 yago:WikicatDefunctComputerCompaniesOfTheUnitedStates yago:WikicatDefunctSoftwareCompanies
rdfs:label	Concentric Data Systems (en)
rdfs:comment	Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, 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. In 1982, Sachs left and joined Mitch Kapor to found Lotus Development Corporation. In 1995, Concentric Data Systems was acquired by of Kirkland, WA. (en)
foaf:name	Concentric Data Systems (en)
foaf:homepage	http://concentricdatasystems.com/
name	Concentric Data Systems (en)
dcterms:subject	1995 mergers and acquisitions Software companies disestablished in 1995 Technology companies disestablished in 1995 American companies disestablished in 1995 Computer companies disestablished in 1995 American companies established in 1979 Computer companies established in 1979 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 Technology companies established in 1979
Wikipage page ID	30817418 (xsd:integer)
Wikipage revision ID	1114011891 (xsd:integer)
Link from a Wikipage to another Wikipage	1995 mergers and acquisitions Software companies disestablished in 1995 Jonathan Sachs VisiCalc SQL Mitch Kapor Technology companies disestablished in 1995 Lotus Software American companies disestablished in 1995 Computer companies disestablished in 1995 Data General American companies established in 1979 Computer companies established in 1979 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 DBase FoxPro Subsidiary Software companies established in 1979 Technology companies established in 1979 IBM PC Software FoxBase dbr:Wall_Data_Corporation dbr:Liveware_Publishing,_Inc.
Link from a Wikipage to an external page	http://concentricdatasystems.com/ http://www.livewarepub.com/products.htm https://books.google.com/books%3Fid=My8EAAAAMBAJ&dq=lotus+123+report+writer&pg=PA34 https://web.archive.org/web/20121105132447/http:/www.highbeam.com/doc/1G1-16864606.html http://www.thefreelibrary.com/Concentric+Data+Systems+Announces+ARPEGGIO(TM)+for+the+Developer-a018654658
sameAs	Concentric Data Systems Concentric Data Systems Concentric Data Systems Concentric Data Systems
dbp:wikiPageUsesTemplate	dbt:Cite_book dbt:Infobox_company dbt:Refimprove dbt:Reflist dbt:Start_date_and_age
founders	John J. Henderson, Jonathan Sachs (en)
industry	Software
parent	Liveware Publishing (en) Wall Data Corporation (en)
type	Subsidiary
has abstract	Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, 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. In 1982, Sachs left and joined Mitch Kapor to found Lotus Development Corporation. Concentric transitioned to a product development company, producing a series of software products for the IBM PC. 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, FoxBase, FoxPro, and various SQL database products. In 1995, Concentric Data Systems was acquired by of Kirkland, WA. In 1999, 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. (en)
prov:wasDerivedFrom	wikipedia-en:Concentric_Data_Systems?oldid=1114011891&ns=0
page length (characters) of wiki page	3806 (xsd:nonNegativeInteger)
founding year	1979-01-01 (xsd:gYear)
founded by	Jonathan Sachs
industry	Software
parent company	dbr:Wall_Data_Corporation
type	Subsidiary
foaf:isPrimaryTopicOf	wikipedia-en:Concentric_Data_Systems
is Link from a Wikipage to another Wikipage of	Jonathan Sachs

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