Hydrology

AlTiS software is an analysis tool to examine altimetry data over small areas like rivers, lakes, flood areas in order to create water time series.

A GRASS GIS module for identifying culverts, bridges and the like in LIDAR terrain models: https://invafish.gitlab.io/r.stream.culvert/

A GRASS GIS module for carving through man made barriers in stream networks that often are present in LiDAR based DEMs: https://invafish.gitlab.io/r.stream.carve/

A GRASS GIS module that snaps vector points to stream raster maps https://invafish.gitlab.io/r.stream.snap_simple