The Best TreeSource Alternatives in 2026

Canada’s National Forestry Database compiles forest data and management statistics, including fires, harvesting, regeneration, and wood supply.

Canada’s National Earthquake Database combines raw seismograph data, measurements, and derived parameters from national seismic networks.

deadtrees.earth offers an open database for accessing, contributing, and visualizing remote-sensing data on tree mortality.

WALS is a database of structural features of languages, including phonological, grammatical, and lexical properties.

The Global Terrestrial Network for Permafrost database contains metadata and quality-controlled measurements of permafrost temperatures and annual thaw depth.

FRED is a freshwater research and environmental database with search and map views for study sites, samples, parameters, and species groups.

WURM catalogs computed mineral properties, including crystal structures, calculation parameters, and spectral measurements.

Spec Patterns collects reusable patterns for specifying properties in finite-state verification, with explanations and examples.

The Mediterranean Germplasm Database catalogs the agro-food plant germplasm collection held by Italy’s National Research Council.

The Government of Canada provides guidance for using and publishing open data and information.

The Canadian Tides and Water Levels Data Archive provides records of tides and water levels across Canada.

WaterNet is Canada’s catalog of water data, publications, and observatories.

The Canadian Wildland Fire Information System provides information about wildfires across Canada.

Örebro’s open data page lists reusable information including supplier invoices, air quality measurements, and other public datasets.

MyRiceBase collects rice biology data for quality traits, including searchable and downloadable genomic, transcriptomic, gene, and network information.

GenomeRNAi records phenotypes from RNA interference screens in Drosophila and humans, along with RNAi reagents and predicted quality.

The Tropical Atmosphere Ocean Project provides buoy data products, station plots, archives, and data quality resources.

INTERMAGNET provides data and information from geomagnetic observatories, with tools for downloads, plots, and data quality checks.

Barcode of Life Data Systems supports species identification through DNA barcodes and biodiversity records.

Korea's EcoBank ecological information portal brings together data on ecosystems, species, and natural environments.

Flora Frankfurt documents plant diversity, distribution, ecology, and history in Frankfurt, with species profiles, maps, and images.

Browse images and information from mammal brain collections, including photographs of brains from more than 100 species.

UniPROBE supports searching protein-binding microarray data by protein, domain, species, or publication.

ViralZone covers virus diversity with descriptions, images, and classifications of virus families and species.