When comparing sK1 vs LibreOffice Draw, the Slant community recommends sK1 for most people. In the question“What are the best vector graphics editors?” sK1 is ranked 7th while LibreOffice Draw is ranked 14th. The most important reason people chose sK1 is:
sK1 tries to look and feel like Corel Draw, it has also an excellent *.cdr importer.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Corel Draw compatible
sK1 tries to look and feel like Corel Draw, it has also an excellent *.cdr importer.
Pro Cross-platform
Its written in the cross-platform WxWidgets toolkit.
Pro Open-Source
Released under the GNU Lesser General Public License.
Pro CMYK colorspace support
CMYK support is one of its main features.
Pro Under GNU LGPL
So you don't have to fear the harsh copyleft of the GNU GPL license.
Pro SWF Flash file export
Pro Free and open source
LibreOffice is available for free with code available here. It's licensed under LGPL v3 with new contributions dual-licensed under MPL.