Merge pull request #1243 from Kickball/ymarks

add ymarks (bookmarks synchronisation)

README.md

@@ -203,6 +203,8 @@ See also [Static Site Generators](#static-site-generators), [Content Management
 - [SemanticScuttle](http://semanticscuttle.sourceforge.net/) - SemanticScuttle is a social bookmarking tool experimenting with features like structured tags and collaborative tag descriptions. ([Source Code](https://sourceforge.net/p/semanticscuttle/code/ci/master/tree/)) `GPL-2.0` `PHP`
 - [Shaarli](https://github.com/shaarli/Shaarli) - Personal, minimalist, super-fast, no-database bookmarking and link sharing platform. ([Demo](https://demo.shaarli.org)) `Zlib` `PHP`
 - [unmark](https://github.com/plainmade/unmark) - Open source to do app for links. `MIT` `PHP`
+- [ymarks](https://bitbucket.org/ymarks/ymarks-server) - Keep your browser's bookmarks synchronized without limiting yourself to one provider. `WTFPL` `C`
+
 
 ## Calendaring and Contacts Management