openknowledgemaps.org
Open Knowledge Maps helps search books, ebooks, papers, library records, or reading archives.
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openlibrary.org
Open Library helps search books, ebooks, papers, library records, or reading archives.
openmedialibrary.com
Open Media Library helps search books, ebooks, papers, library records, or reading archives.
openpaymentsdata.cms.gov
Open Payments helps search books, ebooks, papers, library records, or reading archives.
maxwell.vrac.puc-rio.br
Research data portal for exploring computer, systems and electrical engineering records, including image.
osdp-psdo.canada.ca
Research data portal for exploring agriculture, forestry and veterinary medicine records, including datasets.
osdr.nasa.gov
Research data portal for exploring basic in biology and medicine records, including genomic data.
open-slum.org
Open Slum helps search books, ebooks, papers, library records, or reading archives.
open-slum.pages.dev
Open Slum helps search books, ebooks, papers, library records, or reading archives.
open.stockholm.se
Open-data catalog covering Stockholm, Sweden, with filters and downloadable records.
open.umn.edu
Open Textbook Library helps search books, ebooks, papers, library records, or reading archives.
research.ou.nl
Research data portal for exploring educational records, including text.
open.adas.ac.uk
Research data portal for exploring astrophysics and astronomy records, including measurement and test data.
open-loiret.opendata.arcgis.com
Browse public datasets, metadata and downloadable records in an open catalog.
openabekt.gr
Bibliographic database for finding publications, citations and scholarly records.
openai.fm
OpenAI.fm uses AI for speech, voice, transcription, music, or other audio workflows.
explore.openaire.eu
OpenAire helps search books, ebooks, papers, library records, or reading archives.
obiblio.sourceforge.net
Bibliographic database for finding publications, citations and scholarly records.
opencity.in
Research data portal for exploring humanities and social records, including datasets.
opencorporates.com
Open corporate database for searching companies, officers, filings, and corporate relationships worldwide.
opendata.fr.ch
Open-data catalog covering Canton Fribourg, Switzerland, with filters and downloadable records.
vd.ch
Open-data catalog covering Canton Vaud, Switzerland, with filters and downloadable records.
v2.sherpa.ac.uk
OpenDOAR helps search books, ebooks, papers, library records, or reading archives.
open.bccampus.ca
OpenED helps search books, ebooks, papers, library records, or reading archives.