ControlSystemIdentification (julia): System Identification toolbox for LTI systems, compatible with ControlSystems.jl
Keywords: spectral-analysis|system-identification|arx|coherence|controls|identification|kalman-filter|frequency-response|n4sid|subspace-identification|time-series|time-series-analysis|transfer-function-estimation|estimation|control-systems|dynamical-systems|state-space-systems|lti-system