a mac app using squashfuse and Platypus to mount squashfs disk image by drop or double click.
install squashfs-tool and osxfuse first
brew install gromgit/fuse/squashfuse-mac
you can download pre-build binary from release page
but it also require install these library first (install from brew direct)
/usr/local/opt/xz/lib/liblzma.5.dylib (compatibility version 8.0.0, current version 8.3.0)
/usr/local/opt/lzo/lib/liblzo2.2.dylib (compatibility version 3.0.0, current version 3.0.0)
/usr/local/lib/libosxfuse.2.dylib (compatibility version 12.0.0, current version 12.7.0)