Main tool is the Aqueduct water risk atlas (covering the whole world). Based on that atlas analysis can be done on current and future water risks to agriculture and food security (Aqueduct Food) and coastal and riverine floods risks can be determined and the costs and benefits can be analyzed of investing in flood protection (Aqueduct Floods)
OASIS (Options AnalysiS in Irrigation Systems) is a planning model for medium to large-scale canal irrigation systems (typically several thousand hectares).
AquaCrop is a crop growth model developed by FAO’s Land and Water Division to address food security and assess the effect of the environment and management on crop production.
WSPs are a comprehensive risk assessment and risk management approach from catchment to consumer, with the aim of consistently ensuring the safety and acceptability of a drinking-water supply.
Screening Tool for Energy Evaluation of Projects
The Climate Resilient City Tool (CRCTool) is an interactive online tool and is easy to use by both experts and non-experts in the field of urban planning and adaptation.
The IWMI Environmental Flow Calculators are a family of software for desktop rapid assessment of Environmental Flows (EFs).
WA+ provides independent estimates of water flows, fluxes, stocks, consumption and services supported by a multi-institutional effort from international knowledge centers (IWMI, UNESCO-IHE, FAO, and WWAP)
AQUASTAT is the FAO global information system on water resources and agricultural water management. It collects, analyses and provides free access to over 180 variables and indicators by country from 1960.