wait-on
wait-on is a cross platform command line utility and Node.js API which will wait for files, ports, sockets, and http(s) resources to become available
is-apng
Check if a Buffer/Uint8Array is a APNG (Animated PNG) image
electron-builder
A complete solution to package and build a ready for distribution Electron app for MacOS, Windows and Linux with “auto update” support out of the box