diff --git a/README.md b/README.md
index 5c04e7e..e3e81cf 100644
--- a/README.md
+++ b/README.md
@@ -202,6 +202,10 @@ them:
   - [nip06.jaonoct.us](https://nip06.jaonoct.us) - by jaonoctus
 - [nip06-cli](https://github.com/jaonoctus/nip06-cli)![stars](https://img.shields.io/github/stars/jaonoctus/nip06-cli.svg?style=social) - a Node.js CLI to generate or restore NIP-06 seed phrases
 
+## Offline signer
+
+- [keechain](https://github.com/yukibtc/keechain) - Bitcoin application to transform your offline computer in an AirGap Signing Device (aka Hardware Wallet) with support to `NIP-06` and `NIP-26`.
+
 ## Vanity pubkey mining
 
 - [nostr-pubminer](https://github.com/lacaulac/nostr-pubminer)![stars](https://img.shields.io/github/stars/lacaulac/nostr-pubminer.svg?style=social) - A simple tool to mine nostr vanity pubkeys