linuxserver/heimdall
on Docker Hub
arm32v7-development-8f9b2959-ls219
amd64-development-8f9b2959-ls219
graphicsmagick
on SourceForge
graphicsmagick-snapshots/GraphicsMagick-1.4.020221204.tar.xz.sig
graphicsmagick-snapshots/GraphicsMagick-1.4.020221204.tar.xz.asc
graphicsmagick-snapshots/GraphicsMagick-1.4.020221204.tar.xz