diff --git a/src/technologies/s.json b/src/technologies/s.json
index b46d75d8c..de17855a9 100644
--- a/src/technologies/s.json
+++ b/src/technologies/s.json
@@ -171,6 +171,16 @@
     },
     "website": "http://www.simplemachines.org"
   },
+  "SmtpJS": {
+    "cats": [
+      75
+    ],
+    "description": "SmtpJS is a free library you can use for sending emails from JavaScript.",
+    "icon": "default.svg",
+    "scriptSrc": "/smtpjs\\.com/(?:v([\\d\\.]+)/)?smtp\\.js\\;version:\\1",
+    "oss": true,
+    "website": "https://smtpjs.com"
+  },
   "SOBI 2": {
     "cats": [
       19