Open Sustainable Technology

Water Network Tool for Resilience

A Python package designed to simulate and analyze resilience of water distribution networks.

modeling ord python research simulation water

Natural Resources - Water Supply and Quality - Last synced: 19 Apr 2026 - Ranking: 20.1

Stormwater-Management-Model

Used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas.

c ord research simulation stormwater

Natural Resources - Water Supply and Quality - Last synced: 19 Apr 2026 - Ranking: 13.8

httk

An open source R package from US EPA for high throughput toxicokinetics and reverse dosimetry, enabling chemical exposure and risk prediction for environmental health applications.

comptox ord

Natural Resources - Ecotoxicology - Last synced: 19 Apr 2026 - Ranking: 12.9

CMAQ

Code base for the U.S. EPA's Community Multiscale Air Quality Model.

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Natural Resources - Air Quality - Last synced: 19 Apr 2026 - Ranking: 10.2

Electricity Life Cycle Inventory

A Python package that uses standardized facility release and generation data to create regionalized life cycle inventory (LCI) models for the generation, mix of generation, mix of consumption, and distribution of electricity to end users for the US, with embedded system processes of upstream fuel production and infrastructure.

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Industrial Ecology - Life Cycle Assessment - Last synced: 19 Apr 2026 - Ranking: 7.3

flowsa

Library that attributes resource use, waste, emissions, and loss to economic sectors.

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Industrial Ecology - Life Cycle Assessment - Last synced: 19 Apr 2026 - Ranking: 7.0

StreamCat

Provides summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA.

dataset hydrology nhdplus ord research watersheds