Merge pull request #282 from filipesaraiva/master

Add Cantor

Author: takluyver

_sections/30-projects.md

@@ -110,6 +110,7 @@ These projects pledge to drop Python 2 support in or before 2020.
 - [![](assets/manticore.png)Manticore](https://github.com/trailofbits/manticore) <!-- url:https://github.com/trailofbits/manticore sg:1649 -->
 - [![](assets/platon.png)PLATON](https://github.com/ideasrule/platon) <!-- url:https://github.com/ideasrule/platon sg:5 -->
 - [![](https://raw.githubusercontent.com/GeoStat-Framework/GSTools/master/docs/source/pics/gstools.png)GSTools](https://github.com/GeoStat-Framework/GSTools) <!-- url:https://github.com/GeoStat-Framework/GSTools sg:38 -->
+- [![](assets/cantor.png)Cantor](https://cantor.kde.org)
 
 <!-- Adding a new project with a logo? They're roughly sorted by GitHub stars.
 Try to insert yours in order. We use judgment for projects not on GiHhub, and