You don’t need a key generator. Atlassian offers several legal free options:
: Some users have noted they can restart trials, though Atlassian may close these loopholes. Atlassian Jira License Key Generator
Atlassian offers a robust Free version of Jira Cloud for teams of up to 10 users. It includes 2GB of storage and access to core features like Scrum and Kanban boards. You don’t need a key generator