Hyperwriter

Ntergaid was an early software developer specializing in hypermedia and multimedia authoring tools for DOS and later Windows. HyperWriter! was a authoring tool and a runtime application. Was later sold in 1996.

Version Information

 * HyperWriter version 2 was released in 1990.
 * HyperWriter version 3 was released in 1992.
 * HyperWriter version 4 was released in 1994.

Format Information
HyperWriter files have a main file HW3, HW4 which contain the ascii header  and can contain supporting files HWA, HWI, HWN, HWT.
 * HyperWriter 3 uses the HW3 extension.
 * HyperWriter 4 uses the HW4 extension.

Multimedia Discs and Samples

 * Dr. Dobb's The Essential Books on File Formats CD-ROM
 * WordPerfect Magazine (1989-1993)
 * Romanticism - The CD-ROM