LaserGRBL Linux solution, LaserGRBL is one of the best software.
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
A Cross Platform and Open Source Electronics Design Automation Suite
Open-Source Shoemaking
Transformation utility to rotate coordinates in G-Code files
Cross-platform Open-source 2D CAD
CAD Application entire developed in Python
A canvas library for generating technical drawings
Open Source Planar Linkage Mechanism Simulation and Synthesis Software
AVR simulator IDE
Dedicated to computer-aided engineering Linux distribution
Precise gear geometry generator for spur and helical gears
Библиотека УГО компонентов для Kicad
Solution for changing your device into full-feature CNC controller
COPanno optimizes the panels cuts.
Open DXFs with QCad
Free multiphysics simulation software package