Annual Technology Baseline Calculators

To inform electric and transportation sector analysis in the United States, each year NREL provides a robust set of modeling input assumptions for energy technologies and a diverse set of potential electricity generation futures or modeling scenarios.

Energy Systems - Energy Data Accessibility and Integration - Last synced: 21 Aug 2026 - Ranking: 5.0

GridPath

A versatile simulation and optimization platform for power-system planning and operations.

electricity energy optimization planning power power-system-analysis power-system-simulation power-systems renewable-energy renewables

Energy Systems - Energy System Modeling Frameworks - Last synced: 20 Aug 2026 - Ranking: 14.5

Open Wind Energy

Builds and displays onshore wind turbine site constraints in a fully automated way - avoiding the need for manually downloading and processing multiple GIS datasets by hand.

netzero renewables wind

Renewable Energy - Wind Energy - Last synced: 20 Aug 2026 - Ranking: 2.2

SpineOpt.jl

A highly adaptable modelling framework for multi-energy systems written in Julia.

electricity energy energy-system-modelling energy-systems julia-language modelling-framework

Energy Systems - Energy System Modeling Frameworks - Last synced: 20 Aug 2026 - Ranking: 14.4

ameriflux

A network of PI-managed sites measuring ecosystem CO2, water, and energy fluxes in North, Central and South America.

ameriflux api carbon-flux data time-series

Emissions - Emission Observation and Modeling - Last synced: 20 Aug 2026 - Ranking: 15.5

SWEET

Official repository for Semantic Web for Earth and Environmental Terminology Ontologies.

earth earth-science environment environment-variables ontologies owl owl-ontology sweet-ontologies

Sustainable Development - Knowledge Platforms - Last synced: 20 Aug 2026 - Ranking: -Infinity

UK Sewage Map

A real-time visualization tool showing river sections affected by sewage discharges from combined sewer overflows across the UK.

Natural Resources - Water Supply and Quality - Last synced: 20 Aug 2026 - Ranking: 4.2

pyroms

A collection of tools to process input and output files from the Regional Ocean Modeling System.

Hydrosphere - Ocean Models - Last synced: 20 Aug 2026 - Ranking: -Infinity

Groundwater Accounting Platform

Enables water managers, landowners, and water users to track groundwater availability and usage with user-friendly dashboards and workflows.

Hydrosphere - Freshwater and Hydrology - Last synced: 20 Aug 2026 - Ranking: 4.2

rdwd

An R package to select, download and read climate data from the German Weather Service.

Atmosphere - Meteorological Observation and Forecast - Last synced: 20 Aug 2026 - Ranking: 16.4

TreeLS

High performance R functions for forest data processing based on Terrestrial Laser Scanning (but not only) point clouds.

Biosphere - Forest Remote Sensing - Last synced: 20 Aug 2026 - Ranking: 6.7

Castor

A spatial, large-scale analytical model for simulating forest harvest and it's potential influence on other forest values (e.g., wildlife habitat).

caribou for forest-analysis forestry

Biosphere - Forest Observation and Management - Last synced: 20 Aug 2026 - Ranking: 5.7

TopoPyScale

Perform topography-based downscaling of climate data to the hillslope scale.

climate climate-science clustering dem downscaling era5 geoscience joss science timeseries xarray

Climate Change - Climate Downscaling - Last synced: 20 Aug 2026 - Ranking: 10.7

fundiversity

Provides a lightweight package to compute common functional diversity indices.

biodiversity biodiversity-indicators biodiversity-informatics functional-diversity functional-ecology functional-trait functional-traits r r-package trait trait-based traits

Biosphere - Biodiversity Analysis and Metrics - Last synced: 20 Aug 2026 - Ranking: 11.1

Zeus

A Framework for Deep Learning Energy Measurement and Optimization.

deep-learning energy mlsys

Consumption - Computation and Communication - Last synced: 20 Aug 2026 - Ranking: 18.2

AI Wattch

Chrome browser extension to measure ChatGPT carbon emissions during conversations.

carbon-emissions carbon-footprint chatgpt claude energy-consumption energy-efficiency gemini greenai llm-inference otm-methodology

Consumption - Computation and Communication - Last synced: 21 Aug 2026 - Ranking: 4.9

OBI

The Open-Bodem-Index-Calculator is a tool that evaluates the soil of agricultural fields based on four main criteria: chemical, physical, biological and management.

agriculture package r soil

Consumption - Agriculture and Nutrition - Last synced: 21 Aug 2026 - Ranking: 15.5

downscaleCMIP6

Global Downscaled Projections for Climate Impacts Research.

climate-data climate-impacts cmip6 downscale downscaling gdpcir

Climate Change - Climate Downscaling - Last synced: 20 Aug 2026 - Ranking: -Infinity

Photovoltaic_Fault_Detector

Model-definition is a deep learning application for fault detection in photovoltaic plants.

deep-learning detection-boxes detector-model fault-detection keras model-detection object-detection photovoltaic-panels solar-energy tensorflow yolo3

Renewable Energy - Photovoltaics and Solar Energy - Last synced: 20 Aug 2026 - Ranking: 5.9

nvidia-co2

Adds gCO2eq emissions to nvidia-smi.

Consumption - Computation and Communication - Last synced: 20 Aug 2026 - Ranking: 6.2