wkt
Parse WKT (Well-known text) into geoJSON or stringify geoJSON into WKT
dbgeo
A Node.js module for converting database queries to GeoJSON and TopoJSON
wkx-ts
A WKT/WKB/EWKT/EWKB/TWKB/GeoJSON parser and serializer
geojson2wkt
Converter to parse GeoJSON geometries in WKT format