xelfviewer - GUI version
- download an appImage file https://github.com/horsicq/XELFViewer/releases/download/0.06/XELFViewer-0.06-x86_64.AppImage
- make the file executable (chmod +x XELFViewer-0.06-x86_64.AppImage)
- run it (./XELFViewer-0.06-x86_64.AppImage)