https://www.gregmcleod.com/rip-xmarks-hello-syncmarx/
https://chrome.google.com/webstore/detail/syncmarx-alpha/llcdegcpeheociggfokjkkgciplhfdgg
review - https://www.ghacks.net/2018/05/02/syncmarx-is-a-xmarks-bookmark-syncing-alternative/
origin - https://www.pipiscrew.com/2018/05/syncmarx-is-a-xmarks-bookmark-syncing-alternative/ syncmarx-is-a-xmarks-bookmark-syncing-alternative