DeHashed - DeHashed is the largest & fastest data breach search engine.
have i been pwned? - Check if your account has been compromised in a data breach
LeakCheck - Data breach search engine, low price starting from $10/mo, one email address for free, unlimited API, 7B+ entries
Snusbase - The industry leading database lookup.
BreachDirectory.org - BreachDirectory.org allows you to search through all public data breaches to make sure your emails, usernames, passwords, and domains haven't been compromised.
We Leak Info v2 - We Leak Info is the industry leading data breach search engine with more than 8.3 billions of entries. We Leak Info is the top choice for Fortune 500 companies. You can search for IP address, email, username, name, phone, and more!