MatterSlice
From MatterControl Manual
MatterSlice is a slice engine developed by MatterHackers specifically for MatterControl.
Origin
The project was forked from CuraEngine in November 2012, ported to C#, and has been significantly updated with new features and other changes. MatterSlice made its debut bundled with the release of MatterControl 1.1 in August 2014.
Documentation
MatterSlice slice setting pages can be accessed via the SETTINGS page.
Repository
MatterSlice is an open source project hosted at GitHub: https://github.com/MatterHackers/MatterSlice