Leonard Development Group
Leonard Development Group was a Jacksonville-based software company known for the SmartWorks integrated suite for Macintosh computers.
Last updated August 31, 2026
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Overview
Leonard Development Group was a software company based in Jacksonville, Florida, United States. Its principal known product was SmartWorks, an integrated software suite developed for Macintosh computers. The available historical record identifies the company primarily through this product and its subsequent acquisition rather than through a broad portfolio of independently documented brands or services. SmartWorks represented the integrated-suite software model of the late 1980s and early 1990s, combining multiple productivity functions within a single Macintosh-oriented package. The company was acquired by Symantec on June 24, 1991. Following the acquisition, a successor or rebranded version of the software was released under the name GreatWorks in the summer of 1991. This transition appears to mark the end of Leonard Development Group as an independent operating company and the continuation of its software under Symantec ownership. No reliable source material supplied for this dossier establishes the company's founding year, founders, detailed management team, ownership before the acquisition, sales figures, or later corporate structure. Leonard Development Group is therefore best understood as a defunct software-company brand associated with Macintosh productivity software and an early-1990s acquisition by Symantec. Its documented historical significance lies in the SmartWorks product line and its conversion into GreatWorks after the acquisition, rather than in a currently active consumer-facing brand.
History
Leonard Development Group was a Jacksonville, Florida-based software company associated with the development of SmartWorks, an integrated suite of Macintosh software. The documented history of the company is brief and is centered on this product rather than on a large corporate organization, extensive product catalog, or long-running independent brand presence. SmartWorks belonged to the integrated-software category, in which several productivity capabilities were combined into one package for a personal-computer platform. Its Macintosh focus placed Leonard Development Group within the software market serving Apple's computer ecosystem. The available reference material does not establish the exact year SmartWorks was introduced, the individual or individuals who founded Leonard Development Group, the company's staffing, or the full range of functions included in the suite. Those details are consequently not specified here. A decisive event occurred on June 24, 1991, when Symantec acquired Leonard Development Group. The transaction ended the company's documented period as an independent software developer and transferred its product-related assets or operations to Symantec. The acquisition also led to a continuation of the software under a different name. In the summer of 1991, a new version was released as GreatWorks. This rebranding or successor release connects GreatWorks directly with the SmartWorks lineage while distinguishing the post-acquisition product from the original Leonard Development Group offering. The available sources do not provide evidence of a later independent Leonard Development Group business, a separate post-acquisition management team, or a subsequent corporate revival. Leonard Development Group is therefore treated as defunct, with its principal historical identity preserved through SmartWorks and the GreatWorks successor released after Symantec's acquisition. Beyond those events, reliable information about its market reach, commercial performance, advertising, competitors, and internal decisions is limited.
Products and positioning
Integrated productivity software for Macintosh computers
Integrated Macintosh software suite
SmartWorks
SmartWorks was Leonard Development Group's documented flagship product: an integrated suite of software made for Macintosh computers. The available source identifies it as the company's principal offering but does not specify the individual applications or functions included in the package. SmartWorks represents the company's original product identity before its acquisition by Symantec in 1991.
Integrated Macintosh software suite · 1991
GreatWorks
GreatWorks was the name used for a new version of the Leonard Development Group software released after Symantec acquired the company. The release appeared in the summer of 1991 and is documented as the successor or renamed continuation of SmartWorks. Detailed specifications, distribution arrangements, and later product history are not established by the available source.
Brand decisions
1991
Sale to SymantecM&ABackground
Leonard Development Group was the developer of the SmartWorks integrated Macintosh software suite when Symantec acquired the company.
Action taken
Symantec acquired Leonard Development Group on June 24, 1991.
Aftermath
The company's software continued in a new version released as GreatWorks in the summer of 1991, while Leonard Development Group ceased to be documented as an independent company.
1991
SmartWorks renamed or continued as GreatWorksGeneration changeBackground
Following Symantec's acquisition of Leonard Development Group, the Macintosh software required a post-acquisition product identity.
Action taken
A new version was released under the GreatWorks name in the summer of 1991.
Aftermath
GreatWorks became the documented successor to the SmartWorks product line, although the available source does not describe its subsequent commercial history.
Sources1 sources
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