Sites that match the meaning of
“open data portal”
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Our World in Data
Research and data to make progress against the world’s largest problems.
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OSF
tools that make open science practice easier
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OpenWeb - The Community Engine of the Open Internet
OpenWeb powers communities across the Open Internet, turning real participation into direct audience relationships, actionable insights, and revenue.
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Zenodo
research data repository
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OpenStreetMap
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
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OpenRouter
The unified interface for every model. Find the best models & prices for your prompts
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Unerwünschter Zugriff / Forbidden access
federated state, capital and largest city of Germany
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OpenLDAP, Main Page
The Open Source for LDAP software and information. Home of OpenLDAP.
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Frontiers | Publisher of peer-reviewed articles in open access journals
Open access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.
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PostgreSQL: The world's most advanced open source database
The official site for PostgreSQL, the world's most advanced open source database
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Client Challenge
free and open-source web content management system
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MySQL
Open-source relational database management system
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Portal Gob MX
El portal gob.mx permite consultar el listado de trámites y programas sociales federales disponibles y a los cuales tienes acceso.
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Welcome to Open Library | Open Library
Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.
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MariaDB Foundation - MariaDB.org
database management system, relational, open source, community developed fork of MySQL
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Hugging Face – The AI community building the future.
We’re on a journey to advance and democratize artificial intelligence through open source and open science.
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Wikidata
free multilingual online knowledge graph
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ScienceDirect
journal
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OpenSea, exchange everything — token trading and NFT marketplace
OpenSea, exchange everything — token trading and NFT marketplace. Welcome to the best place to discover, trade, and create onchain.
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De Gruyter Brill
De Gruyter Brill | Over 300 years of publishing excellence
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Brazil
digital library
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Client Challenge
distributor of eBooks and other digital media
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Ollama · Run AI models locally and in the cloud
Ollama is the easiest way to run and build with open AI models locally or in the cloud on macOS, Windows, and Linux.
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CT.GOV-Connecticut's Official State Website
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curl
command line tool and library for transferring data with URL syntax
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Apache OpenOffice - Official Site - The Free and Open Productivity Suite
The official home page of the Apache OpenOffice open source project, home of OpenOffice Writer, Calc, Impress, Draw and Base.
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Language selection | European Union
Discover how the EU functions, its principles, priorities; find out about its history and member states; learn about its legal basis and your EU rights.
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The Agentic Advertising Platform | Optable
Unlock ad revenue with agentic solutions. Optable is the privacy-preserving identity, activation, and collaboration platform for advertising.
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