Top 5 item-response-theory open source projects

GDINA

Cognitive Diagnosis Modeling

Test and Item Analysis via Shiny

The Model Zoo of Cognitive Diagnosis Models, including classic Item Response Ranking (IRT), Multidimensional Item Response Ranking (MIRT), Deterministic Input, Noisy "And" model(DINA), and advanced Fuzzy Cognitive Diagnosis Framework (FuzzyCDF), Neural Cognitive Diagnosis Model (NCDM) and Item Response Ranking framework (IRR).

Supplementary Item Response Theory Models