diff --git a/README.md b/README.md
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+++ b/README.md
@@ -303,6 +303,7 @@ See also [DEF CON Suggested Reading](https://www.defcon.org/html/links/book-list
 
 * [BruteForce Wallet](https://github.com/glv2/bruteforce-wallet) - Find the password of an encrypted wallet file (i.e. `wallet.dat`).
 * [CeWL](https://digi.ninja/projects/cewl.php) - Generates custom wordlists by spidering a target's website and collecting unique words.
+* [duplicut](https://github.com/nil0x42/duplicut) - Quickly remove duplicates, without changing the order, and without getting OOM on huge wordlists.
 * [GoCrack](https://github.com/fireeye/gocrack) - Management Web frontend for distributed password cracking sessions using hashcat (or other supported tools) written in Go.
 * [Hashcat](http://hashcat.net/hashcat/) - The more fast hash cracker.
 * [hate_crack](https://github.com/trustedsec/hate_crack) - Tool for automating cracking methodologies through Hashcat.