diff --git a/app.py b/app.py
index dec73d2..a120824 100644
--- a/app.py
+++ b/app.py
@@ -1347,9 +1347,14 @@ def admin_polling_add():
 
     platform = request.form.get('platform')
     source_id = request.form.get('source_id')
+    custom_source_id = request.form.get('custom_source_id')
     display_name = request.form.get('display_name')
     poll_interval = int(request.form.get('poll_interval', 60))
 
+    # Use custom source if provided, otherwise use dropdown
+    if custom_source_id and custom_source_id.strip():
+        source_id = custom_source_id.strip()
+
     if not platform or not source_id or not display_name:
         flash('Missing required fields', 'error')
         return redirect(url_for('admin_polling'))
diff --git a/templates/admin_polling.html b/templates/admin_polling.html
index c8932b9..d6599ca 100644
--- a/templates/admin_polling.html
+++ b/templates/admin_polling.html
@@ -223,6 +223,13 @@
                     <select class="form-select" name="source_id" id="source_id" required onchange="updateDisplayName()">
                         <option value="">Select source...</option>
                     </select>
+                    <p class="help-text">Or enter custom source below</p>
+                </div>
+
+                <div class="form-group">
+                    <label class="form-label" for="custom_source_id">Custom Source (optional)</label>
+                    <input type="text" class="form-input" name="custom_source_id" id="custom_source_id" placeholder="e.g., r/technology or https://example.com/feed.xml">
+                    <p class="help-text">For Reddit: r/subreddit | For RSS: full URL | Leave blank to use dropdown</p>
                 </div>
 
                 <div class="form-group">
@@ -370,6 +377,16 @@
                 displayNameInput.value = selectedOption.dataset.displayName;
             }
         }
+
+        // Handle custom source input - make dropdown optional when custom is filled
+        document.getElementById('custom_source_id').addEventListener('input', function() {
+            const sourceSelect = document.getElementById('source_id');
+            if (this.value.trim()) {
+                sourceSelect.removeAttribute('required');
+            } else {
+                sourceSelect.setAttribute('required', 'required');
+            }
+        });
     </script>
 </body>
 </html>