diff --git a/contact.scm b/contact.scm
index d93f0de..c231c5a 100644
--- a/contact.scm
+++ b/contact.scm
@@ -14,16 +14,39 @@
 ;; along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 (import (chicken io)
+        (chicken repl)
         (chicken string)
+        (chicken time)
+        srfi-18
+        nrepl
         qt-light)
 
 
+(define qt-app #f) ;; The <qt-application> object.
+(define qt-win #f) ;; The <qt-window> object.
+
+
 ;; Start & run the application.
 (define (init)
-  (let [(qt-app (qt:init))
-        (qt-win (create-window))]
-    (init-window qt-win)
-    (qt:run)))
+  ;; Set up some global state, prepare the QT app.
+  (set! qt-app (qt:init))
+  (set! qt-win (create-window))
+  (init-window qt-win)
+
+  (let ;; Start QT loop.
+      [(qt-thread (thread-start! qt-loop))
+       ;; Kick off the remote-REPL…
+       (nrepl-thread (thread-start! (lambda () (nrepl 1234))))]
+    ;; … and also provide a local REPL.
+    (repl)
+    ;; Wait for the QT program, even after stdin is closed off.
+    (thread-join! qt-thread)))
+
+
+;; Loop through QT’s processing, again and again.
+(define (qt-loop)
+  (qt:run #t)
+  (qt-loop))
 
 
 ;; Create the application window.
@@ -52,7 +75,6 @@
   (textbox-callbacks window))
 
 
-
 ;; Connect callback functions to menubar items.
 (define (menubar-callbacks window)
   (let* [(menu-file-exit (qt:find window "actionQuit"))