Symbolics Document Examiner was a powerful and early hypertext system developed at Symbolics (a manufacturer of high-end workstations) by Janet Walker in 1985. The Symbolics Document Examiner was first used for a hypertext implementation of the Symbolics manual in the sixth release of the Genera OS, and was well-liked, winning an award from the Society of Technical Documentation. The authoring environment for the Document Examiner was Symbolics Concordia. With Symbolics Concordia it was possible to edit all documentation.