diff --git a/README.md b/README.md
index 491599f..06633bb 100644
--- a/README.md
+++ b/README.md
@@ -11,3 +11,13 @@ OSS SDK in Rust:
 * https://crates.io/crates/oss_rust_sdk
 * https://github.com/NoXF/oss-rust-sdk
 
+PGP in Rust:
+* https://crates.io/crates/pgp
+* https://crates.io/crates/openpgp
+* https://github.com/rpgp/rpgp
+* https://crates.io/crates/gpgrv
+* https://crates.io/crates/sequoia-openpgp
+
+**keys.openpgp.org** uses: Sequoia-PGP ( https://sequoia-pgp.org/ )
+
+