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Table 2 GISs comparison table “+” symbol indicates good performance for each feature

From: TWI computation: a comparison of different open source GISs

FEATURES

GRASS GIS

WHITEBOX GAT

SAGA GIS

User friendliness

-

+

+

Workflow customization

-

+

+

Algorithms documentation

-

+

+

Implementation in QGIS

+

-

-

Availability on any operating system

+

+

-