Protected Planet

The most up to date and complete source of data on protected areas and other effective area-based conservation measures (OECMs), updated monthly with submissions from governments, non-governmental organizations, landowners and communities.

Biosphere - Biodiversity Data Access and Management - Last synced: 22 Jul 2026 - Ranking: 6.8

energy-sparks

An open source application that is designed to help schools improve their energy efficiency.

bath data energy rails ruby ruby-on-rails school

Sustainable Development - Education - Last synced: 22 Jul 2026 - Ranking: 6.6

CSA Admin

Offers you a wide range of features specifically developed for the needs of Community Supported Agriculture.

acp csa managment rails ruby solawi

Consumption - Agriculture and Nutrition - Last synced: 23 Jul 2026 - Ranking: 6.3

TaxonWorks

An integrated web-based workbench for taxonomists and biodiversity scientists.

biodiversity biodiversity-informatics collections describe evolution life nomenclature ruby species taxonomy

Biosphere - Biodiversity Data Access and Management - Last synced: 23 Jul 2026 - Ranking: -Infinity

Growstuff

Open source and open data platform that can predict when your plantings will be ready to harvest.

food gardening

Consumption - Agriculture and Nutrition - Last synced: 23 Jul 2026 - Ranking: 11.1

SOLECTRUS

An alternative photovoltaic dashboard that visualizes the yield and consumption.

homelab influxdb monitoring photovoltaic photovoltaics photovoltaics-dashboard self-hosted

Renewable Energy - Photovoltaics and Solar Energy - Last synced: 23 Jul 2026 - Ranking: -Infinity

OpenFarm

A free and open database and web application for farming and gardening knowledge.

farming gardening open-source plants rails

Consumption - Agriculture and Nutrition - Last synced: 23 Jul 2026 - Ranking: 11.7

Trefle

A botanical JSON REST API for plants species, allowing you to search and query over all the registered species, and build the next gardening apps and farming robots.

api-rest biodiversity database farming-robots gardening-apps hacktoberfest plants plants-species trefle trefle-api

Consumption - Agriculture and Nutrition - Last synced: 23 Jul 2026 - Ranking: 8.1

WikiRate

Facilitates research and analysis on complex topics in collaboration with partners, to make ESG data open, comparable and useful for all.

Sustainable Development - Sustainable Investment - Last synced: 23 Jul 2026 - Ranking: 6.6

OpenStudio-HPXML

Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

Consumption - Buildings and Heating - Last synced: 23 Jul 2026 - Ranking: 8.4

ETSource

Contains the data used by Quintel energy transition modelling applications, allowing you to explore possible future energy systems for your country, region or municipality.

Energy Systems - Energy System Modeling Frameworks - Last synced: 23 Jul 2026 - Ranking: 9.1

resstock

Helping states, municipalities, utilities, and manufacturers identify which building stock improvements save the most energy and money.

Consumption - Buildings and Heating - Last synced: 23 Jul 2026 - Ranking: 9.2

openfoodnetwork

An online marketplace for local food. It enables a network of independent online food stores that connects farmers and food hubs with individuals and local businesses.

farmers food food-hubs hacktoberfest nonprofit rails ruby sustainable-consumption

Consumption - Agriculture and Nutrition - Last synced: 23 Jul 2026 - Ranking: -Infinity

AirCasting

The project aims to build a platform for gathering, visualization and sharing of environmental data.

Natural Resources - Air Quality - Last synced: 23 Jul 2026 - Ranking: 8.4

Energy Transition Engine

Calculation engine for the Energy Transition Model.

backend-api calculation-engine energy-system etm rails

Energy Systems - Energy System Modeling Frameworks - Last synced: 23 Jul 2026 - Ranking: 8.5

ETLocal

Countries, provinces, municipalities, districts and neighborhoods have their own unique questions for their energy systems.

Energy Systems - Energy Data Accessibility and Integration - Last synced: 23 Jul 2026 - Ranking: 6.5

Bike Index

Bike registration that works: online, powerful, free.

Consumption - Mobility and Transportation - Last synced: 23 Jul 2026 - Ranking: 9.4

Panoptes

Zooniverse API to support user defined volunteer research projects.

docker hacktoberfest panoptes-platform ruby zooniverse

Biosphere - Biodiversity Citizen Science - Last synced: 23 Jul 2026 - Ranking: 8.9

Trase

Brings unprecedented transparency to commodity supply chains revealing new pathways towards achieving a deforestation-free economy.

Industrial Ecology - Life Cycle Assessment - Last synced: 23 Jul 2026 - Ranking: 6.5

ComStock

National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL.

Consumption - Buildings and Heating - Last synced: 23 Jul 2026 - Ranking: 7.8