Open Source Repositories
12 open source projects across two GitHub organizations. Apache 2.0 licensed. No vendor lock-in.
Featured Projects
SDCRM
Reference Model - Apache-2.0
The SDC4 Reference Model specification. The foundation that defines how data is structured, validated, and enriched with semantic meaning.
sdcgovernance
Governance Engine - Apache 2.0
W3C standards-based governance advisory engine. XACML decisions, PROV-O provenance, workflow validation, MCP server. Deterministic at machine speed.
sdcvalidator
Structural Validator - Apache 2.0
SDC4 structural validator. XSD schema compliance, two-tier error classification, CLI tools, XML/JSON conversion. Available on PyPI.
SDCBench
Domain-Expert Bench - Apache 2.0
Desktop app to diagram a data model by reusing published SDCStudio components and sketching new ones in plain language, then hand a draft to a data modeler. Canvas-first; no reference-model knowledge required.
SDC_Agents
Ingestion Agents - Apache 2.0
Purpose-scoped agents that turn an existing datastore into validated, signed SDC4 instances and load them where you work: Neo4j, GraphDB, Fuseki, REST, or the filesystem.
Form2SDCTemplate
Form Converter - Apache 2.0
Turn a PDF or DOCX form into an SDC4 template in the browser. Fields are matched against the public component catalog, so anything already defined is reused rather than rebuilt. No account required.
SemanticDataCharter
github.com/SemanticDataCharterSDC_AgentsSMB
Apache 2.0
SDC4 agents for personal and SMB usage. Ollama LLM integration, no cloud API key needed.
View on GitHubSDC_Agents_Demo
Apache 2.0
From raw data to validated knowledge graph in 5 minutes. End-to-end demonstration.
View on GitHubAxius-SDC
github.com/Axius-SDCCordovaOS
Apache 2.0
A fictional nation's entire government - 10 domains, 25,000 citizens, zero integration code. Cross-domain interoperability demonstration.
sirix
BSD 3-Clause (fork)
SirixDB - bitemporal database system for XML and JSON versioning.
View on GitHub