List of public SPARQL endpoints

Dataset/Organization	SPARQL endpoint
Wikidata	Link
Wikimedia Commons	Link
Nobel Prize	Link
OpenStreetMap	Link
UniProt	Link
MeSH	Link
Gene Ontology	Link
WikiPathways	Link

Let's explore the Nobel Prize dataset - An overview of the official Nobel Prize Linked Data dataset with some example SPARQL queries.
SPARQL Parse Tree Viewer - Visualize the parse tree of SPARQL queries.
Introduction to SPARQL - SPARQL is a query language for graph data. The graph model of thinking fits well a lot of use cases.
Why federation is a game-changing feature of SPARQL - SPARQL federation is an incredibly useful feature for querying distributed RDF graphs.
SPARQL Client - Query SPARQL endpoints online.
SPARQL Playground (RDF Playground) - Experiment with running SPARQL queries against RDF data.
Magic SPARQL endpoints - Instant triplestores for testing and exploration, prepopulated with the RDF/Turtle data that is inlined in the SPARQL endpoint URLs.
SPARQL Editor - A simple online editor for SPARQL (SPARQL Protocol and RDF Query Language) queries.
SPARQL on FHIR - Query FHIR data using SPARQL.
The RDF model of the Gene Ontology, demystified - An outline of the structure of the Gene Ontology RDF graph and ways to query it.
Data exploration on linked COVID-19 datasets - An overview of the available RDF datasets and discovery tools for COVID-19.
Semantic Web Browser - Look up entities on the Semantic Web.
SHACL Validator - Validate RDF data against SHACL shapes.
How to query Wikidata using SPARQL in JavaScript - A guide to getting data from Wikidata using SPARQL in JavaScript.
Turtle Parse Tree Viewer - Visualize the parse tree of Turtle syntax.
Turtle Inspector - Inspect the RDF content of Turtle files.
Turtle Editor - Edit Turtle documents online.
OWL Functional Syntax Parse Tree Viewer - View the parse tree of OWL Functional Syntax.
OWL reasoning - Using OWL reasoning to infer new knowledge.
RDF* and the onset of Linked Data* and the Semantic Web* - The evolution of RDF and the related technologies fuelled by the need to make statements about statements.
RDF graphs - Intro to RDF graph visualization + demo.
Creating an Amazon Neptune database using AWS CDK v2 - Provisioning a graph database cluster in AWS using TypeScript.
Awesome Semantic Web - A curated list of awesome books and resources on the Semantic Web.