No specific info about version 8.1. Please visit the main page of Plaxis 2D on Software Informer.
It is designed for solving slope stability and related geotechnical analyses.
PLAXIS Connect can be used for updating your CodeMeter licence.
Soil Data Viewer allows a user to create soil-based thematic maps.
It is an application designed for correlation/estimation of soil properties.
It is a program that enables users to perform soil liquefaction analysis.
Perform soil stress and settlement calculations in various conditions.