WordStar, an MS-DOS-based word-processing program first released in 1978
This editor was used by award-winning author Robert J. Sawyer (Hugo and Nebula).
–
Sources:
- https://gizmodo.com/sci-fi-writer-releases-free-archive-of-legendary-word-processor-used-by-george-rr-martin-2000484618
- Science Fiction Writer Robert J. Sawyer: WordStar 7 Archive
- The Beauty of Finished Software | Jose M.
- MicroPro WordStar | PCjs Machines
- MicroPro WordStar 3.30 | PCjs Machines
- https://www.dosbox.com/