"client only bidirectional file synchronizer", used by ownCloud/Nextcloud
Create advanced slideshow presentations from a DokuWiki page
See also https://www.dokuwiki.org/plugin:s5
"Wink is a Tutorial and Presentation creation software, primarily aimed at creating tutorials on how to use software ... capture screenshots, add explanations boxes, buttons, titles etc" (ib., 2012-12-26)
"lightweight service that provides automated file synchronization between multiple hosts"
No updates since 2010