cncjs
A web-based interface for CNC milling controller running Grbl, Marlin, Smoothieware, or TinyG
laserweb
a fully featured web ui for laser cutter/engravers, reprap and other 3d printers
grbl-interpreter
Utility to easily communicate with a device running GRBL firmware
clinc
A minimalist, scriptable command-line interface for GRBL.