Icon Generator - Icon Generator is a little application built on AIR that lets you generate a CS5 or Web 2.
Select Similar Layers - Sketch plugin to select layers with the same attributes
Icon Slate - Icon Slate lets you easily compose, import and export desktop icons in many formats.
Framer Inventory 3 for Sketch - Import states & export prototypes from Sketch to Framer
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.