What are some alternatives?
When comparing We Leak Info and GhostProject.fr, you can also consider the following products
Snusbase - The industry leading database lookup.
DeHashed - DeHashed is the largest & fastest data breach search engine.
LeakBase - Check if your account credentials have been leaked.
Databases.today - The largest collection of publicly available databases for security researchers and journalists.
NuclearLeaks - The biggest free-to-download collection of publicly available website databases for security researchers and journalists.
Leaksify - Check if you have an account that has been compromised in a data breach.