*[https://giexchange.org/resources/ | Green Infrastructure Leadership Exchange] provides tools for sizing LID/green stormwater infrastructure and valuation of co-benefits.
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*[https://www.epa.gov/water-research/national-stormwater-calculator US EPA Stormwater Calculator]
*[http://gifmod.com/worked-examples/ Green Infrastructure Flexible Model]
*[http://gifmod.com/worked-examples/ Green Infrastructure Flexible Model]
*[http://iwret.ryerson.ca/ Integrated Water Resources Evaluation Tool, by Ryerson Urban Water]
*[http://iwret.ryerson.ca/ Integrated Water Resources Evaluation Tool, by Ryerson Urban Water]
*[https://waterbalance.ca/ Water Balance, a suite of tools designed in British Columbia]
*[https://waterbalance.ca/ Water Balance, a suite of tools designed in British Columbia]