Pr0tel99se came with free full C@mtastic editor. You should have gotten a free update from 99 to 99se, then a free copy of C@mtastic would have been provided to run with 99se.
As far as I know, there aren't any other free Gerber editors. There are many free Gerber viewers; however, you can't edit or save the files.
Free Gerber viewers (no edit or save capability) include:
There is a free fully functional gerber editor available, it's called ExcelCAM, very similar to CAM350 but with out all the CAD import and export features, the only requirement is that you download a new license every 3 months, you don't even have to fill out a registration form. it can be found at w*w.reliant-eds.com.
hi
Instead of clicking on "download Excelcam license ......" -----right click on that and choose save target as and cohoose any location in your computer .Once download is complete than copy this file and paste in the directory where you installed Excelcam. That's it..............