There is no such thing as a legitimate “TransMac key GitHub exclusive.” Any offers of free keys or cracks on GitHub are illegal, unsafe, and likely to be removed. For professional or personal use, either use the free trial, pay for a license, or switch to a free read-only alternative like HFSExplorer.
Have you encountered a suspicious “TransMac crack” on GitHub? Share your experience in the comments (but don’t share the keys — that violates our policy). transmac key github exclusive