WCS there are 2 versions of this,
there is a Fixed version, correcting a bug that caused problems with wpn network, a WCS 1.8.6 version fixed by Eagle is available in Windows & Linux.
the Fixed by Eagle WCS 1.8.6 Windows version is here
the Fixed by Eagle WCS 1.8.6 Linux version is here
WCS 1.8.8 this is probably the last version as no more updates are planned, Mind added some new features, Windows and Linux versions.
the WCS 1.8.8 Windows version is here
the WCS 1.8.8 Linux version is here
Here is an Easy WCS Configurator for creating and editing your config, it opens to show boxes with descriptions to add/edit parts of your config, it works with 1.8.6 and 1.8.8 versions.