Cocoa Software does offer a product called CocoCut Starter . It is free, but it is not Pro. The Starter version has severe limitations:
The official developers offer a specific way to earn a Pro membership without paying: cococut pro free
This is what most people mean when they search for "free." Websites like crack4software.com or torrent sites claim to have a keygen or patched .exe file for CocoCut Pro. These exist, but they are dangerous. Cocoa Software does offer a product called CocoCut Starter
Design in Illustrator (your preferred tool). Step 2: Save your cut lines as a red stroke (0.001 pt). Step 3: Export as EPS or PDF (not SVG for some cutters). Step 4: Import that file into InkScape (free). Step 5: Use the free InkCut plugin to send to your cutter. These exist, but they are dangerous