diff --git a/gnome/Chatty/Portfile b/gnome/Chatty/Portfile
new file mode 100644
index 000000000000..a8c530da71fe
--- /dev/null
+++ b/gnome/Chatty/Portfile
@@ -0,0 +1,69 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:filetype=tcl:et:sw=4:ts=4:sts=4
+
+PortSystem          1.0
+PortGroup           compiler_blacklist_versions 1.0
+PortGroup           gitlab 1.0
+PortGroup           meson 1.0
+
+gitlab.instance     https://gitlab.gnome.org
+gitlab.setup        World Chatty 0.8.5 v
+revision            0
+categories          gnome
+license             GPL-3
+maintainers         nomaintainer
+
+description         SMS/MMS, Matrix and (optionally) XMPP messaging
+long_description    {*}${description} via ModemManager, mmsd-tng, libcmatrix \
+                    and libpurple.
+use_bzip2           yes
+
+checksums           rmd160  0616bcda715da407e0cb5525d37573c0691762bb \
+                    sha256  a613e44b1bf1d5e1d1332cc7233f7edfd141ac06f17c3a0833e0e4c65c37d858 \
+                    size    1516194
+
+meson.wrap_mode     nodownload
+
+# https://gitlab.gnome.org/World/Chatty/-/issues/950
+patchfiles-append   patch-strchrnul.diff
+
+depends_build-append \
+                    port:appstream \
+                    port:gettext \
+                    port:itstool \
+                    path:bin/pkg-config:pkgconfig
+
+depends_lib-append  path:lib/pkgconfig/cairo.pc:cairo \
+                    port:desktop-file-utils \
+                    port:evolution-data-server-gtk4 \
+                    path:lib/pkgconfig/gdk-pixbuf-2.0.pc:gdk-pixbuf2 \
+                    port:gettext-runtime \
+                    path:lib/pkgconfig/glib-2.0.pc:glib2 \
+                    port:gnome-desktop-gtk4 \
+                    path:lib/pkgconfig/gobject-introspection-1.0.pc:gobject-introspection \
+                    port:gstreamer1 \
+                    path:lib/pkgconfig/gtk+-4.0.pc:gtk4 \
+                    port:gtksourceview5 \
+                    port:libadwaita \
+                    port:libcmatrix \
+                    port:libfeedback \
+                    port:libmm-glib \
+                    port:libphonenumber-cpp \
+                    port:libpurple \
+                    path:lib/pkgconfig/pango.pc:pango \
+                    port:sqlite3
+
+depends_run-append  port:gsettings-desktop-schemas
+
+# protobuf3-cpp used by libphonenumber-cpp needs at least C++11,
+# also: https://gitlab.gnome.org/World/Chatty/-/issues/951
+compiler.cxx_standard   2017
+compiler.blacklist-append \
+                    {clang} {macports-clang-1[0-7]}
+# Compiler blacklists do not work correctly here.
+compiler.whitelist  macports-clang-19 macports-clang-18 \
+                    macports-gcc-14 macports-gcc-13
+
+post-activate {
+    system "${prefix}/bin/gtk4-update-icon-cache -f -t ${prefix}/share/icons/hicolor"
+    system "${prefix}/bin/glib-compile-schemas ${prefix}/share/glib-2.0/schemas"
+}
diff --git a/gnome/Chatty/files/patch-strchrnul.diff b/gnome/Chatty/files/patch-strchrnul.diff
new file mode 100644
index 000000000000..ab92cb0a0af6
--- /dev/null
+++ b/gnome/Chatty/files/patch-strchrnul.diff
@@ -0,0 +1,42 @@
+--- src/mm/chatty-sms-uri.c.orig	2024-08-22 02:36:26
++++ src/mm/chatty-sms-uri.c	2024-10-10 18:52:36
+@@ -22,6 +22,15 @@
+ #include "chatty-sms-uri.h"
+ #include "chatty-log.h"
+ 
++#ifdef __APPLE__
++static const char *chatty_strchrnul(const char *s, int c) {
++    const char *ptr = strchr(s, c);
++    if (!ptr)
++        ptr = s + strlen(s);
++    return ptr;
++}
++#endif
++
+ /**
+  * SECTION: chatty-sms-uri
+  * @title: ChattySmsUri
+@@ -120,7 +129,11 @@
+     return;
+ 
+   self->numbers_valid = TRUE;
++#ifdef __APPLE__
++  end = chatty_strchrnul (self->uri, '?');
++#else
+   end = strchrnul (self->uri, '?');
++#endif
+   numbers = g_strndup (self->uri, end - self->uri);
+   number_start = numbers;
+ 
+@@ -172,7 +185,11 @@
+       goto end;
+ 
+     body = body + strlen ("body=");
++  #ifdef __APPLE__
++    end = chatty_strchrnul (body, '&');
++  #else
+     end = strchrnul (body, '&');
++  #endif
+     text = g_strndup (body, end - body);
+ 
+     self->body = g_uri_unescape_string (text, NULL);