Sketch Mirror - Preview your iOS designs directly on your devices
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Crystal: Sketch Mirror for Android - Crystal: Sketch Mirror for Android is an application that is designed for viewing your sketch designs in real-time, navigate prototypes and download content related to the sketches for offline viewing.
Quick Any2Ico - Quick Any2Ico is a FREE Portable Application that creates high quality Icon files from any File...
Flowkit - Sketch library for user flows/content maps/annotations
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.