OXcalculator - Bill of Material and Cost calculator v1b006 (xls + ods)

OXcalculator - Your computer figures out the parts you need to build your OX by giving it X, Y & Z

F-Engrave : converts TTF and other fonts/files to G-code: Converts TTF and other fonts, as well as DXF and bitmap images to G-code for engraving
DMAP2GCode : Convert greyscale images to G-code: Tool to convert grey scale images to depth of cut G-code - no thrills, just conversion
G-code Ripper : scales, rotates, splits and wraps G-code: Transform a G-code job without returning to the CAD file. Now with "auto probe" for uneven surfaces
Knotter : Make Celtic knots and custom interlaces: Knotter is a free and open source customizable interlace designer made by Mattia Basaglia
How to recycle HDPE (bottles, caps, etc.) into sheets / blocks to CNC: Some very good Instructables / YouTube showing how to easily recycle HDPE and work with the material

Forgot to unlock one other cell (K16)