Spinnaker Software
From IFWiki
Spinnaker Software was an educational software company, founded in 1982 by Bill Bowman and C. David Seuss.
In the interactive fiction community, Spinnaker is best known for its imprints Telarium and Windham Classics; and the text adventure authoring system SAL.
Spinnaker Software was aquired by The Learning Company in 1994, which itself was later bought by Mattel.