diff --git a/main/calamares-extensions/APKBUILD b/main/calamares-extensions/APKBUILD
new file mode 100644
index 000000000..bff9de2f7
--- /dev/null
+++ b/main/calamares-extensions/APKBUILD
@@ -0,0 +1,104 @@
+# Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
+pkgname=calamares-extensions
+pkgver=1.0.0
+pkgrel=0
+arch="noarch !armhf" # blocked by qt5-qtdeclarative
+url="https://github.com/calamares/calamares-extensions"
+pkgdesc="Calamares Branding and Module Examples"
+license="GPL-3.0-or-later"
+makedepends="
+	calamares-dev
+	qt5-qtsvg-dev
+	qt5-qtdeclarative-dev
+	"
+source="https://github.com/calamares/calamares-extensions/releases/download/v$pkgver/calamares-extensions-$pkgver.tar.gz"
+options="!check" # has no tests
+
+# Modules and brandings to build:
+# https://github.com/calamares/calamares-extensions/tree/calamares/modules
+# https://github.com/calamares/calamares-extensions/tree/calamares/branding
+_modules="
+	mobile
+	"
+_brandings="
+	default-mobile
+	"
+
+for i in $_modules; do
+	subpackages="$pkgname-mod-$i:_module:$CARCH $subpackages"
+done
+for i in $_brandings; do
+	subpackages="$pkgname-brand-$i:_branding $subpackages"
+done
+
+# Check if one module/branding is enabled
+# $1: name of module/branding
+# $2: either $_modules or $_brandings
+is_enabled() {
+	local i
+	for i in $2; do
+		[ "$i" = "$1" ] && return 0
+	done
+	return 1
+}
+
+# Check if string $1 is in CMakeLists.txt and comment it out
+comment_out() {
+	sed -i "s~$1~#&~g" "$builddir/CMakeLists.txt"
+}
+
+prepare() {
+	default_prepare
+
+	local i
+
+	msg "disabled modules:"
+	cd "$builddir/modules"
+	for i in *; do
+		if ! [ -d "$i" ] || is_enabled "$i" "$_modules"; then
+			continue
+		fi
+		echo " - $i"
+		comment_out "calamares_add_module_subdirectory( modules/$i "
+	done
+
+	msg "disabled brandings:"
+	cd "$builddir/branding"
+	for i in *; do
+		if ! [ -d "$i" ] || is_enabled "$i" "$_brandings"; then
+			continue
+		fi
+		echo " - $i"
+		comment_out "calamares_add_branding_subdirectory( branding/$i "
+	done
+}
+
+build() {
+	cmake -B build \
+		-DCMAKE_BUILD_TYPE=None \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_INSTALL_LIBDIR=lib
+	cmake --build build
+}
+
+_module() {
+	local module=${subpkgname##calamares-extensions-mod-}
+	local path="usr/lib/calamares/modules"
+
+	mkdir -p "$subpkgdir/$path"
+	mv "$pkgdir/$path/$module" "$subpkgdir/$path/$module"
+}
+
+_branding() {
+	local branding=${subpkgname##calamares-extensions-brand-}
+	local path="usr/share/calamares/branding"
+
+	mkdir -p "$subpkgdir/$path"
+	mv "$pkgdir/$path/$branding" "$subpkgdir/$path/$branding"
+}
+
+package() {
+	DESTDIR="$pkgdir" cmake --install build
+}
+
+sha512sums="46801342c14ad8e744378c90bcea8a60bff805096b39958b4856fef3c855b60be4d8507643e101700c52c1605db3ce1c872170a3ea79e59ef123cda0fdfe0a01  calamares-extensions-1.0.0.tar.gz"