18 projects
RDFLib
RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.
Contributors
997
Organizations
319
Software value
$2.7M
Semantic MediaWiki
đź”— Semantic MediaWiki turns MediaWiki into a knowledge management platform with query and export capabilities
Contributors
774
Organizations
135
Software value
$13M
Eclipse RDF4J
Eclipse RDF4J: scalable RDF for Java
Contributors
536
Organizations
119
Software value
$16M
Apache Jena
Apache Jena is a free and open-source Java framework for building Semantic Web and Linked Data applications. It provides APIs for reading, processing, writing, and querying RDF data, along with support for OWL and SPARQL. The framework includes tools for working with RDF graphs, ontologies, and reasoning engines.
Contributors
473
Organizations
125
Software value
$26M
OWL API
The OWL API is a Java library for creating, manipulating and serializing OWL (Web Ontology Language) ontologies. It provides a high-level programming interface for working with OWL2, supporting various syntaxes and reasoning capabilities.
Contributors
402
Organizations
77
Software value
$6M
Mondo
Mondo Disease Ontology
Contributors
382
Organizations
59
Software value
$300M
jsonld.js
A JavaScript library for working with JSON-LD (JSON for Linked Data), providing functionality to process and manipulate JSON-LD data including compaction, expansion, flattening, and RDF dataset conversion
Contributors
338
Organizations
175
Software value
$604K
Ontop
Ontop is a virtual knowledge graph system and semantic data integration platform that enables access to relational databases as virtual RDF graphs using SPARQL queries. It acts as a mapping layer between SQL databases and RDF/OWL ontologies, allowing users to query data sources through a semantic abstraction layer.
Contributors
328
Organizations
65
Software value
$10M
OpenCog AtomSpace
AtomSpace is a knowledge representation and reasoning framework that provides a hypergraph database and associated programming API. It serves as the core component for representing knowledge, performing reasoning, and managing complex relationships between data elements in cognitive architectures and AI systems.
Contributors
278
Organizations
36
Software value
$2.9M
Comunica
Comunica is a modular JavaScript framework for querying Linked Data on the Web. It provides a flexible architecture for building SPARQL query engines that can operate over various data sources and interfaces, supporting both local and remote data access.
Contributors
259
Organizations
95
Software value
$5.1M
VIVO
VIVO is an open source semantic web application and research networking tool that enables the discovery of researchers and collaborators across institutions. It creates and maintains a searchable database of researcher interests, activities, and accomplishments, facilitating interdisciplinary collaboration and research discovery.
Contributors
202
Organizations
23
Software value
$3.5M
Skosmos
Skosmos is a web-based tool for publishing and browsing SKOS vocabulary data. It provides a user interface for searching, browsing and visualizing SKOS vocabularies, thesauri, and other controlled vocabularies. The tool supports multilingual vocabularies and offers both human and machine interfaces for accessing the data.
Contributors
173
Organizations
34
Software value
$1M
RDF.rb
RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.
Contributors
165
Organizations
67
Software value
$711K
Silk Link Discovery Framework
The Silk Link Discovery Framework is an open source tool for discovering relationships between data items within different knowledge bases and linking them together. It supports generating RDF links between data sources, cleaning data through value transformations, and assessing the quality of generated links through various similarity metrics.
Contributors
164
Organizations
37
Software value
$35M
Financial Industry Business Ontology
The Financial Industry Business Ontology (FIBO) is a standardized ontology that defines financial industry concepts and relationships, providing a common language for financial data integration and interoperability across the financial services industry.
Contributors
120
Organizations
19
Software value
$36K
Trifid
Lightweight Linked Data Server and Proxy
Contributors
74
Organizations
25
Software value
$409K
MediaWiki
🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.
This project hasn't been onboarded to LFX Insights.