Jeff McKenna

@mapserving · Twitter · 2026-07-29 14:16 UTC

A big happy 43rd birthday to GRASS! The first user manual for (what would become) GRASS titled “GIS Version 1 Reference Manual” was published by J. Westervelt and M. O’Shea, on 29 July 1983. Read more at https://grasswiki.osgeo.org/wiki/GRASS_GIS_Birthday #foss4g #family