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 | [Key-Checker](https://github.com/daffainfo/Key-Checker)| Go scripts for checking API key / access token validity. |
 | [Keyhacks](https://github.com/streaak/keyhacks)| Keyhacks is a repository which shows quick ways in which API keys leaked by a bug bounty program can be checked to see if they're valid. |
-[API Key Leaks: Tools and exploits](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/API%20Key%20Leaks) | An API key is a unique identifier that is used to authenticate requests associated with your project. Some developers might hardcode them or leave it on public shares.
+|[API Key Leaks: Tools and exploits](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/API%20Key%20Leaks) | An API key is a unique identifier that is used to authenticate requests associated with your project. Some developers might hardcode them or leave it on public shares.
+|[Private key usage verification ](https://github.com/trufflesecurity/driftwood) | Driftwood is a tool that can enable you to lookup whether a private key is used for things like TLS or as a GitHub SSH key for a user. |
 
 ## Deliberately vulnerable APIs
 | Name | Description |