Garmin Image Tools
gimgtools is a set of command-line tools to examine and manipulate Garmin IMG (the map format) files. The included tools are: * gimgunlock: Unlock a locked map so that it can be used on ALL devices. * gimgxor: Unscramble XOR'd map files. * gimginfo: Print information of the map. * gimgextract: Extract the IMG sections. * gimgch: Hexdump and compare section header of two or more IMGs.
Homepage: https://github.com/wuyongzheng/gimgtools