fman

fman: An opensource, cross-platform, light file manager. Includes custom Text Editor and Image Viewer, future support for OS-default applications as well as user-defined applications for handling opening of filetypes.

Windows 10 | OSX :-------------------------:|:-------------------------: |

Information Pane

Default Image Viewer

Install

Requires Python 2.7 & PyQt4. Tested (working) on both Windows 10 and OSX 10.11.3.