Components

Language: Java 11
Build: Gradle 8.x
Storage: File-based (.smsn text files, one per note)
Indexing: SQLite (metadata) + Apache Lucene 8.x (full-text search)
RDF: Eclipse RDF4J 4.2.3
Code Generation: Hydra (Haskell to Java)
Protocol: WebSocket (ws://localhost:8182/gremlin)

Semantic Synchrony is a collection of interrelated projects in hardware and software for context-aware computing with semantics.

Software Components

Component	Description
brain	Core knowledge graph abstractions, I/O formats (RDF, Wiki, LaTeX, Markdown, JSON), and query operations
smsn-server	Standalone WebSocket server with 20+ action classes for all graph operations
smsn-mode	Emacs major mode frontend (separate repository)
smsn-models	Hydra-generated data classes from Haskell type definitions
smsn-core	Configuration and shared utilities
smsn-rdf	RDF vocabularies (using Eclipse RDF4J) for semantic interoperability
smsn-services	P2P communication framework using JSON and OSC

These modules support specialized input devices:

Module	Description
hand	Extend-o-Hand: Bluetooth-enabled gestural data glove for handshakes, hand-offs, and gestures
typeatron	Monomanual Typeatron: 3D-printed wireless chorded keyer with laser pointer, 6-axis motion sensor, and haptic outputs
monitron	Omnisensory Monitron: Arduino-based sensor device producing semantic data streams