Open access data sources:

- IHP-WINS: the Water Information Network System

HydroShare: an online collaboration environment for sharing data, models, and code.

Free and Open Source Sofware:

- Soil and Water Assessment Tool

- MODFLOW: the USGS's three-dimensional (3D) finite-difference groundwater model

Capacity development intiatives:

- UNESCO-HOPE initiativeHydro Free and/or Open-source software Platform of Experts (HOPE) Initiative, targeting experts that can assist African water authorities, teachers, university lecturers and researchers to elaborate water management models.

Water management tools:

- Water accountingIndependent estimates of water flows, fluxes, stocks, consumption, and services