diff --git a/command-signatures/json/openssl.json b/command-signatures/json/openssl.json
new file mode 100644
index 00000000..f5378824
--- /dev/null
+++ b/command-signatures/json/openssl.json
@@ -0,0 +1,228 @@
+{
+    "name": "openssl",
+    "description": "OpenSSL cryptography and SSL/TLS toolkit",
+    "options": [
+        {
+            "name": "-help",
+            "description": "Display a summary of standard commands and options"
+        }
+    ],
+    "subcommands": [
+        {
+            "name": "asn1parse",
+            "description": "Parse an ASN.1 sequence"
+        },
+        {
+            "name": "ca",
+            "description": "Certificate authority management"
+        },
+        {
+            "name": "ciphers",
+            "description": "Display or check SSL/TLS cipher suites"
+        },
+        {
+            "name": "cmp",
+            "description": "Certificate Management Protocol (CMP, RFC 4210) client"
+        },
+        {
+            "name": "cms",
+            "description": "Cryptographic Message Syntax (CMS) utility"
+        },
+        {
+            "name": "crl",
+            "description": "Certificate revocation list (CRL) management"
+        },
+        {
+            "name": "crl2pkcs7",
+            "description": "Create a PKCS#7 structure from a CRL and certificates"
+        },
+        {
+            "name": "dgst",
+            "description": "Message digest calculation and signing"
+        },
+        {
+            "name": "dhparam",
+            "description": "DH parameter manipulation and generation"
+        },
+        {
+            "name": "dsa",
+            "description": "DSA key processing"
+        },
+        {
+            "name": "dsaparam",
+            "description": "DSA parameter manipulation and generation"
+        },
+        {
+            "name": "ec",
+            "description": "EC key processing"
+        },
+        {
+            "name": "ecparam",
+            "description": "EC parameter manipulation and generation"
+        },
+        {
+            "name": "enc",
+            "description": "Symmetric cipher encryption and decryption"
+        },
+        {
+            "name": "engine",
+            "description": "Engine (loadable module) information and manipulation"
+        },
+        {
+            "name": "errstr",
+            "description": "Look up OpenSSL error codes"
+        },
+        {
+            "name": "fipsinstall",
+            "description": "Perform FIPS module installation and configuration"
+        },
+        {
+            "name": "gendsa",
+            "description": "Generate a DSA key from a set of parameters"
+        },
+        {
+            "name": "genpkey",
+            "description": "Generate a private key"
+        },
+        {
+            "name": "genrsa",
+            "description": "Generate an RSA private key"
+        },
+        {
+            "name": "help",
+            "description": "Display a list of commands or help for a command"
+        },
+        {
+            "name": "info",
+            "description": "Print OpenSSL built-in information"
+        },
+        {
+            "name": "kdf",
+            "description": "Perform key derivation function (KDF) operations"
+        },
+        {
+            "name": "list",
+            "description": "List algorithms, commands, and capabilities"
+        },
+        {
+            "name": "mac",
+            "description": "Perform message authentication code (MAC) operations"
+        },
+        {
+            "name": "nseq",
+            "description": "Create or examine a Netscape certificate sequence"
+        },
+        {
+            "name": "ocsp",
+            "description": "Online Certificate Status Protocol (OCSP) utility"
+        },
+        {
+            "name": "passwd",
+            "description": "Compute password hashes"
+        },
+        {
+            "name": "pkcs12",
+            "description": "PKCS#12 file management"
+        },
+        {
+            "name": "pkcs7",
+            "description": "PKCS#7 data management"
+        },
+        {
+            "name": "pkcs8",
+            "description": "PKCS#8 format private key conversion"
+        },
+        {
+            "name": "pkey",
+            "description": "Public or private key management"
+        },
+        {
+            "name": "pkeyparam",
+            "description": "Public key algorithm parameter processing"
+        },
+        {
+            "name": "pkeyutl",
+            "description": "Public key algorithm cryptographic operation"
+        },
+        {
+            "name": "prime",
+            "description": "Compute prime numbers"
+        },
+        {
+            "name": "rand",
+            "description": "Generate pseudo-random bytes"
+        },
+        {
+            "name": "rehash",
+            "description": "Create symbolic links to certificate and CRL files named by their hash values"
+        },
+        {
+            "name": "req",
+            "description": "PKCS#10 certificate request and certificate generation"
+        },
+        {
+            "name": "rsa",
+            "description": "RSA key processing"
+        },
+        {
+            "name": "rsautl",
+            "description": "RSA utility for signing, verification, encryption, and decryption (deprecated; use pkeyutl)"
+        },
+        {
+            "name": "s_client",
+            "description": "SSL/TLS client program for testing and debugging"
+        },
+        {
+            "name": "s_server",
+            "description": "SSL/TLS server program for testing and debugging"
+        },
+        {
+            "name": "s_time",
+            "description": "SSL/TLS performance timing program"
+        },
+        {
+            "name": "sess_id",
+            "description": "SSL/TLS session handling"
+        },
+        {
+            "name": "skeyutl",
+            "description": "Perform opaque symmetric key (EVP_SKEY) operations"
+        },
+        {
+            "name": "smime",
+            "description": "S/MIME message processing"
+        },
+        {
+            "name": "speed",
+            "description": "Algorithm speed measurement"
+        },
+        {
+            "name": "spkac",
+            "description": "Netscape SPKAC (signed public key and challenge) utility"
+        },
+        {
+            "name": "srp",
+            "description": "Maintain an SRP password file"
+        },
+        {
+            "name": "storeutl",
+            "description": "List and display objects in a URI store (certificates, keys, CRLs)"
+        },
+        {
+            "name": "ts",
+            "description": "Time Stamping Authority (TSA) client and server tool"
+        },
+        {
+            "name": "verify",
+            "description": "Certificate verification"
+        },
+        {
+            "name": "version",
+            "description": "Print OpenSSL version information"
+        },
+        {
+            "name": "x509",
+            "description": "X.509 certificate handling"
+        }
+    ]
+}