Aliza MS is a free and open source DICOM Viewer software for Linux, Windows and MacOS. Using this app you can view in DICOM metadata in 2D and 3D Views. It comes with MR Spectroscopy support, De-identify DICOM, Ultrasound support, Grayscale Softcopy Presentation, Parametric Map, Supplemental Palette Color Lookup and Elscint ELSCINT1 PMSCT_RLE1 and PMSCT_RGB1 support.
It also comes with DICOMDIR directory scanner and United Imaging Healthcare (UIH) Grid, VFrame format and Siemens Mosaic format support. You will also get structured detail report in Aliza MS. It is released under GNU General Public License v3.0.