Breakthrough Software was a software company based in

Novato, California Novato (Spanish for "Novatus") is a city in Marin County, California, in the North Bay region of the Bay Area. At the 2020 census, Novato had a population of 53,225. History What is now Novato was originally the site of several Coast Miwok ...

. Breakthrough developed and sold the Time Line

project management software Project management software (PMS) has the capacity to help plan, organize, and manage resource tools and develop resource estimates. Depending on the sophistication of the software, it can manage estimation and planning, scheduling, cost control a ...

for

PC DOS PC or pc may refer to: Arts and entertainment * Player character or playable character, a fictional character controlled by a human player, usually in role-playing games or computer games * ''Port Charles'', an American daytime TV soap opera * ...

computers, releasing the first version in 1984, and version 2.0 in July, 1985.Hank Bannister
Project Software Demand Growing
''InfoWorld'', Jan 27, 1986. page 5. Company staff in the 1980s included William Lohse (1984-1985) as president, Victoria Lohse as COO and CEOIssco agrees to buy maker of Time Line
''InfoWorld'', 13 Oct 1986. and Andrew Layman as president starting in 1986. Negotiations to merge Breakthrough into Integrated Software Systems Corp. (ISSCO) reached an agreement in principle in October, 1986 but broke down soon afterwards when

Computer Associates CA Technologies, formerly known as CA, Inc. and Computer Associates International, Inc., is an American multinational corporation headquartered in New York City. It is primarily known for its business-to-business (B2B) software with a product p ...

, developer of a different project management program, announced an agreement to acquire ISSCO. Breakthrough was acquired by

Symantec Symantec may refer to: *An American consumer software company now known as Gen Digital Inc. *A brand of enterprise security software purchased by Broadcom Inc. Broadcom Inc. is an American designer, developer, manufacturer and global supplier ...

in 1987. Symantec continued to release versions of Timeline until at least version 6.0 in 1994.William Brandel
Symantec to purchase rival
''Computerworld''. 11 April 1994. page 30.

References

{{Gen Digital Software companies based in California Defunct companies based in California Defunct software companies of the United States