Exiv2 - Exiv2 is a C++ library and a command line utility to manage image metadata.
AnalogExif - Metadata editor for the scanned films and DSC-captured digital images.
PhotoME - PhotoME is a powerful tool to show and edit the meta data of image files.
Jimpl - Free online photo metadata and EXIF data viewer. Uncover hidden data of your pictures. Upload a photo to find where, when, and how it was taken.
ExifToolGUI - Graphical user interface to https://alternativeto.
Creevey - Note taking app for analog photographers written by an analog photographer.