LGOGDownloader is an unofficial downloader to GOG.com for Linux users. It uses the same API as the official GOG Galaxy. The new version 3.15 mainly fixes some bugs:

LGOGDownloader 3.15 Changed Galaxy CDN priority handling to be more generic Changed default Galaxy CDN priority to “edgecast,akamai_edgecast_proxy,fastly” Added option to list available CDNs –galaxy-list-cdns Added option to force browser based login –browser-login Fixed login check when redirected to embedded version of website Fixed handling Fastly CDN urls Fixed crash caused by errors in html to xhtml conversion