diff --git a/data/ecosystems/o/open-source-cryptography.toml b/data/ecosystems/o/open-source-cryptography.toml
index 576a8de6..590970f3 100644
--- a/data/ecosystems/o/open-source-cryptography.toml
+++ b/data/ecosystems/o/open-source-cryptography.toml
@@ -3,16 +3,73 @@ title = "Open Source Cryptography"
 
 sub_ecosystems = []
 
-github_organizations = []
+github_organizations = ["https://github.com/dalek-cryptography"]
 
 # Repositories
 [[repo]]
 url = "https://github.com/ArgusHQ/wagyu"
 tags = ["Wallet"]
 
+[[repo]]
+url = "https://github.com/bitwiseshiftleft/sjcl"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/bulletproofs"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/curve25519-dalek"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/dalek-rangeproofs"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/dalek.rs"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/dalek_workspace"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/doppio"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/ed25519-dalek"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/merlin"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/subtle"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/x25519-dalek"
+
+[[repo]]
+url = "https://github.com/dalek-cryptography/zkp"
+
 [[repo]]
 url = "https://github.com/ektrah/nsec"
 tags = ["Library"]
 
+[[repo]]
+url = "https://github.com/gnutls/gnutls"
+
+[[repo]]
+url = "https://github.com/jedisct1/libsodium"
+
+[[repo]]
+url = "https://github.com/jeremywohl/nacl"
+
+[[repo]]
+url = "https://github.com/keybase/triplesec"
+
 [[repo]]
 url = "https://github.com/mit-dci/zksigma"
+
+[[repo]]
+url = "https://github.com/openssl/openssl"
+
+[[repo]]
+url = "https://github.com/saltstack/libnacl"
+
+[[repo]]
+url = "https://github.com/sodiumoxide/sodiumoxide"