Build Intuit — Idea Set Theory & the Quadranym sensibility model (D. Scalise)

Pattern Language (C. Alexander)
Threeness, the Triad and Christopher Alexander (D. Seamon)

Systematics — resources
Anthony G. Blake — home page
Tetrad of Activity (M. Zwick)
Dramatic Universe — summary (M. Grenfell)
DuVersity — inspired by the work of John Bennett (A. Blake/K. Stefano)
Book of Threes — large collection of Triads
Qualitative Systems Thinking (A. Hodgson)

ConceptNet (R. Speer/C. Havasi)
FrameNet (C. Fillmore)
WordNet (G. Miller)

Word Grabbag
Reverse Dictionary
Data muse API
Dramatica

Several projects share the term numeronomy, however the following homonyms have no connection to our usage:
Syndex Numeronomy (dealing with prime numbers)
Vortex Math Numeronomy (largely considered a psuedo-science 'math parlor trick')
Theory of Word Numeronomy letter-counting (Y. Anderson)