Sketch Overview

Sketch is an innovative and fresh look at vector drawing. Its intentionally minimalist design is based upon a drawing space of unlimited size and layers, free of palettes, panels, menus, windows, and controls. Though simple to use, it offers powerful vector drawing and text tools like perfect Boolean operations, symbols, and powerful rulers, guides, and grids.
Features of Sketch

   Powerful vector drawing and text tools
   Boolean operations
   Symbols
   Control over color profiles
   Shared libraries, styles, and components
   Reusable design templates
   Rulers
   Variable and OpenType font support
   Super fast performance
   Guides and Grids

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DMG:
https://www.virustotal.com/gui/file/14e9affee8aa1c127e177b0401023d86e58c1674c6e7beae328b065efc00e433