If you search GitHub, Reddit, or various warez forums, you might find files named rapidgator_premium_2025.txt or premium_database_jd2.zip.
Why this is better than a "free database": jdownloader 2 premium database free
Using stolen premium accounts violates most hosters' terms. Your IP can be flagged, and your legitimate accounts (if any) could be banned. If you search GitHub, Reddit, or various warez