Sketch Repo - Collection of resources for anyone who uses Sketch
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Build with Sketch - Free LEGO-like kit for Sketch
IcoFX - IcoFX is an all-in-one solution for icon creation, extraction and editing.
Merge Duplicate Symbols - Automatically find and act on duplicate symbols in Sketch
IconViewer - Bot Productions's IconViewer utility allows you to view, copy, and save the icons in a file through its property sheet.