PyPI98Exceptionalhealth index
Python · Jupyter Notebook★ 615Sep 15, 2026
PyPI97Exceptionalhealth index
Python★ 683↓ 382.1K/moSep 12, 2026
PyPI95Exceptionalhealth index

RDFLib/rdflibRDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.
Python★ 2,511↓ 15.4M/moSep 10, 2026
Packagist · npm91Excellenthealth index
PHP★ 631↓ 6,963/moOct 20, 2026
Maven · npm90Excellenthealth index
Java · HTML★ 421Oct 19, 2026
Go90Excellenthealth index

sourcenetwork/defradbDefraDB is a Peer-to-Peer Edge-First Database. It's the core data storage system for the Source Ecosystem.
Go★ 890Aug 26, 2026
crates.io88Excellenthealth index

Blackcat-Informatics/purrdfPurRDF — one RDF 1.2 engine, one behavior, in Rust, Python, WebAssembly and C. Deterministic BM25 full-text search, exact GeoSPARQL 1.1 and embedding kNN answered from SPARQL, in-process, over one dataset: the three jobs a triple store usually kept PostgreSQL beside it for. Plus native codecs, RDFC-1.0, SHACL, ShEx, entailment and GTS transport.
Rust★ 45↓ 6,378/moSep 13, 2026
PyPI86Excellenthealth index
Python★ 28↓ 448.5K/moSep 8, 2026
crates.io · PyPI84Excellenthealth index
Rust★ 48↓ 1,981/moAug 28, 2026
npm · Go84Excellenthealth index

The-AI-Alliance/semiontSemiont is a Context Layer that supports human+ai collaborative knowledge work. Use it as: a Wiki, Knowledge Base, Context Graph, Semantic Layer, or Agentic Memory.
TypeScript★ 91↓ 11K/moSep 10, 2026
PyPI84Excellenthealth index
Python★ 86↓ 360/moSep 13, 2026
PyPI81Excellenthealth index

ralforion/orionbelt-ontology-builderBrowser-based ontology workbench for OWL ontologies and SKOS vocabularies. Streamlit + rdflib, no Java, no Protégé. OWL-RL reasoning, 22 SKOS validation checks, read-only SPARQL console, bulk operations, gist upper-ontology starters, merge-aware imports, interactive vis-network graph.
Python★ 207↓ 2,742/moSep 11, 2026
npm81Excellenthealth index

zazuko/barnard59An intuitive and flexible RDF pipeline solution designed to simplify and automate ETL processes for efficient data management.
JavaScript · TypeScript★ 40↓ 125.9K/moSep 15, 2026
Maven · PyPI80Excellenthealth index
Java★ 308Sep 13, 2026
crates.io80Excellenthealth index

rust-rdf/rdf.rs🦀 RDF.rs is a Rust framework for working with RDF knowledge graphs.
Rust★ 38↓ 170.4K/moOct 6, 2026
Python★ 349↓ 1.2M/moSep 17, 2026
Python★ 0↓ 2,710/moOct 17, 2026
PyPI · crates.io · Maven73Goodhealth index
Rust★ 15↓ 5,383/moSep 15, 2026

linked-cm/core@_linked/core - Core library for Linked.js. Queries based on SHACL Shapes
TypeScript★ 0↓ 3,607/moSep 5, 2026
TypeScript · JavaScript★ 24↓ 12.9K/moSep 18, 2026

tggo/goRDFlibGo RDF library with full SPARQL 1.1 query/update engine and SHACL validator. 100% W3C conformance (1221/1221 tests). Port of Python RDFLib.
Go★ 34Sep 20, 2026

knadh/oatUltra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~10KB min+gz.
CSS · JavaScript★ 5,471↓ 4,185/moAug 28, 2026
Python★ 14Sep 14, 2026

sempods/sempods-kotlinsempods reference implementation for the JVM — pod server, identity service, hosted MCP, clients
Kotlin★ 7Oct 19, 2026

ontopia/ontopiaThe open source tools for building, maintaining and deploying Topic Maps-based applications.
Java★ 62Sep 13, 2026
Elixir★ 126↓ 4,789/moSep 12, 2026
npm63Moderatehealth index
JavaScript★ 84↓ 1,219/moSep 20, 2026
npm63Moderatehealth index

undefinedsco/drizzle-soliddrizzle-solid is a modern web application project that tightly integrates Drizzle ORM with the Solid Pod ecosystem. It is designed for privacy-preserving, data-sovereign, and type-safe web service development, supporting distributed identity and decentralized data storage.
TypeScript★ 0↓ 4,161/moSep 28, 2026
npm60Moderatehealth index
JavaScript★ 0↓ 2,986/moSep 18, 2026
Packagist59Moderatehealth index

ai-university-aiu/causalontologyCausalontology - the world's first programming-language-neutral standard and shared commons for reified causation. AGI's Missing Link.
Python★ 0↓ 0/moSep 12, 2026