Topics & Niches
Top Open Data Websites
Browse live examples related to Open Data, then open the strongest domains to inspect traffic, SEO, business posture, and trust signals in more detail.
Cluster total
24
Use the full cluster to move from a broad theme into a smaller report shortlist.
Cluster coverage
3 with traffic data
Traffic coverage tells you how many sites in view already support stronger prioritization work.
Fastest analyst move
Open apiuae.gov.ae
Then compare it with afeld.me to tell whether the first result is representative.
apiuae.gov.ae
Live website report
apiuae.gov.ae
afeld.me
Live website report
API | Aidan Feldman
argentinadatos.com
Live website report
API para obtener información actualizada sobre diferentes datos de Argentina.
colornames.org
Live website report
Name all the colors @ colornames.org
ign.fr
Live website report
Toutes les cartes, données et services cartographiques de l’IGN : acheter une carte IGN, trouver un parcours de randonnée, commander des données ou une clé... Les données publiques de l’IGN sont libres et accessibles gratuitement.
bioportal.hr
Live website report
Bioportal – Informacijski sustav zaštite prirode
bio2rdf.org
Live website report
Bio2RDF v2.7a
hivemapper.com
Live website report
Join Hivemapper’s global network of people, cameras, and apps to map the world in real time. Built by thousands, growing by millions — explore our live coverage now.
hmdb.ca
Live website report
Human Metabolome Database
aare.chat
Live website report
Chaostreff Bern
hostip.info
Live website report
Hostip.info is an established community that provides an extended IP domain and address database for free search.
kaikki.org
Live website report
kaikki.org digital archive and data
hepdata.net
Live website report
HEPData Homepage
itis.gov
Live website report
The Integrated Taxonomic Information System (ITIS, www.itis.gov) partners with specialists from around the world to assemble scientific names and their taxonomic relationships and distributes that data openly through publicly available software. The ITIS mission is to communicate a comprehensive taxonomy of global species that enables biodiversity information to be discovered, indexed, and connected across all human endeavors. ITIS is made up of 11 active MOU partners committed to improving and continually updating scientific and common names of all seven Kingdoms of Life (Archaea, Bacteria, Protozoa, Chromista, Fungi, Plantae, and Animalia).
kartaview.org
Live website report
KartaView
library.link
Live website report
The Library.Link Network
museum-digital.de
Live website report
Museumsobjekte kostenfrei und auf einfache Weise sinnvoll ins Internet zu bringen ist die Absicht von Museum-Digital.
humdata.org
Live website report
Access and share humanitarian data across crises and organizations. Explore on HDX 19768 datasets from 254 locations and 2179 sources to support effective humanitarian response.
wikimapia.org
Live website report
Wikimapia is an online editable map - you can describe any place on Earth. Or just surf the map discovering tonns of already marked places.
biodiversityatlas.at
Live website report
Biodiversitäts-Atlas Österreich – Frei zugängliches Onlineportal zur Entdeckung der Vielfalt an Organismen und Lebensräumen in Österreich
bip.gov.pl
Live website report
Strona główna - Biuletyn Informacji Publicznej - Portal Gov.pl
govinfo.gov
Live website report
GovInfo | U.S. Government Publishing Office
biodiversitydata.se
Live website report
The Swedish Biodiversity Data Infrastructure (SBDI) is a national initiative to make biodiversity data available and accessible for research, education, and conservation.
hlidacstatu.cz
Live website report
Hlídač státu - veřejná kontrola státních a veřejných institucí. Veřejnoprospěšný projekt. Hlídač smluv a registr smluv. Hlídač Webů.
FAQ
Questions about Open Data
These pages should help visitors understand both the list itself and the next best navigation move.
What can I learn from the Open Data topic page?
Use this page to scan websites connected to Open Data, open the strongest candidates, and compare their detailed report modules before making a decision.
What is the difference between a topic page and a category page?
A topic page is more editorial and audience oriented. It is useful when you care about niche intent and content themes more than formal business classification.
How should I use topic pages in a research workflow?
Start with the topic, identify standout domains, then use the report modules to judge authority, monetization posture, and technical sophistication.