AT-UI - UI library for developing powerful web interfaces
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
Remake - A way to make web apps with just HTML & CSS
Icon Slate - Icon Slate lets you easily compose, import and export desktop icons in many formats.
Sketch Extensions - An official collection of Sketch extensions & plugins
Icono Maker - Icono Maker is an icon maker for Windows.