Instead of keys, search GitHub for:

While the allure of free, unlimited software is strong, the risks associated with downloading and running cracks, keygens, and scripts from unknown sources are immense and often underestimated. These risks fall into three main categories:

Several users and "bots" maintain repositories that are frequently cited in community forums: BearsMan's Gists

While a plain text key is safe, "activators" or "patches" hosted on GitHub can contain or backdoors that compromise your system . Legality