National Key Laboratory of Cognitive Neuroscience and Learning BSD License Yes Beijing Normal University NITRC Functional Connectivity Analysis Tool for near-infrared spectroscopy data Yes FC-NIRS is a Functional Connectivity Analysis Tool for near-infrared spectroscopy dataThe package’s functions include preprocessing, quality control, FC calculation and network analysis. 2025-10-16 FC_NIRS_V3.3 2025-5-14 FC_NIRS_V3.2 2025-3-03 FC_NIRS_V3.1 2023-6-28 V3.0_Manual 2023-6-28 V3.0_Mac 2023-6-27 V3.0_Windows Functional Connectivity Analysis Tool for near-infrared spectroscopy data Optical Imaging, BSD License http://stage.nitrcce.org/projects/fcnirs/, http://www.nitrc.org/projects/fcnirs/