LGOGDownloader is an unofficial downloader to GOG.com for Linux users. It uses the same API as the official GOG Galaxy. The new version 3.17 has just been released.

LGOGDownloader 3.17 Removed –dlc-list and –use-dlc-list options Improved subdir filepath template handling Added new templates for subdir options %title% %title_stripped% %dlc_title% %dlc_title_stripped% Incremented game details cache version because of changes to gameFile class Added version info to –galaxy-show-builds output for linux installers