diff --git a/dev-qt/qttools/qttools-6.11.9999.ebuild b/dev-qt/qttools/qttools-6.11.9999.ebuild
new file mode 100644
index 0000000000000..18242da673dc6
--- /dev/null
+++ b/dev-qt/qttools/qttools-6.11.9999.ebuild
@@ -0,0 +1,119 @@
+# Copyright 2021-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( {17..21} ) # see .cmake.conf for minimum
+LLVM_OPTIONAL=1
+
+# behaves very badly when qttools is not already installed, also
+# other issues to handle (clang tests flaky depending on version,
+# and 3rdparty/ tries to FetchContent gtest)
+QT6_RESTRICT_TESTS=1
+
+inherit llvm-r2 optfeature qt6-build xdg
+
+DESCRIPTION="Qt Tools Collection"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~x86"
+fi
+
+IUSE="
+	+assistant designer distancefieldgenerator gles2-only kmap2qmap
+	+linguist opengl pixeltool +qdbus qdoc qml qmlls
+	qtattributionsscanner qtdiag qtplugininfo vulkan +widgets zstd
+"
+# note that some tools do not *require* widgets but will skip a sub-tool
+# if not enabled (e.g. linguist gives lrelease but not the GUI linguist6)
+REQUIRED_USE="
+	assistant? ( widgets )
+	designer? ( qml widgets )
+	distancefieldgenerator? ( qml widgets )
+	pixeltool? ( widgets )
+	qdoc? ( qml ${LLVM_REQUIRED_USE} )
+	qmlls? ( assistant qml )
+"
+
+RDEPEND="
+	~dev-qt/qtbase-${PV}:6[widgets?]
+	assistant? (
+		~dev-qt/qtbase-${PV}:6[concurrent,network,sql,sqlite]
+		!dev-qt/assistant:5
+	)
+	designer? (
+		~dev-qt/qtbase-${PV}:6[network,xml,zstd=]
+		zstd? ( app-arch/zstd:= )
+		!<dev-qt/designer-5.15.18-r1:5
+	)
+	kmap2qmap? ( ~dev-qt/qtbase-${PV}:6[evdev] )
+	linguist? (
+		widgets? ( !dev-qt/linguist:5 )
+	)
+	qdbus? (
+		~dev-qt/qtbase-${PV}:6[dbus,xml]
+		widgets? ( !dev-qt/qdbusviewer:5 )
+	)
+	qdoc? (
+		$(llvm_gen_dep '
+			llvm-core/clang:${LLVM_SLOT}=
+			llvm-core/llvm:${LLVM_SLOT}=
+		')
+	)
+	qml? ( ~dev-qt/qtdeclarative-${PV}:6[widgets?] )
+	qmlls? ( ~dev-qt/qtdeclarative-${PV}:6[qmlls] )
+	qtdiag? ( ~dev-qt/qtbase-${PV}:6[network,gles2-only=,vulkan=] )
+	widgets? ( ~dev-qt/qtbase-${PV}:6[opengl=] )
+"
+DEPEND="
+	${RDEPEND}
+	qtdiag? (
+		vulkan? ( dev-util/vulkan-headers )
+	)
+"
+
+src_prepare() {
+	qt6-build_src_prepare
+
+	# qttools is picky about clang versions and ignores LLVM_SLOT
+	sed -e '/find_package/s/${\(LLVM_\)*VERSION_CLEAN}//' \
+		-i cmake/FindWrapLibClang.cmake || die
+}
+
+src_configure() {
+	use qdoc && llvm_chost_setup
+
+	local mycmakeargs=(
+		# prevent the clang test as it can abort due to bug #916098
+		$(cmake_use_find_package qdoc WrapLibClang)
+		$(cmake_use_find_package qml Qt6Qml)
+		$(cmake_use_find_package widgets Qt6Widgets)
+		$(qt_feature assistant)
+		$(qt_feature designer)
+		$(qt_feature distancefieldgenerator)
+		$(qt_feature kmap2qmap)
+		$(qt_feature linguist)
+		$(qt_feature pixeltool)
+		$(qt_feature qdbus)
+		$(qt_feature qdoc)
+		$(qt_feature qtattributionsscanner)
+		$(qt_feature qtdiag)
+		$(qt_feature qtplugininfo)
+		$(usev widgets -DQT_INSTALL_XDG_DESKTOP_ENTRIES=ON)
+
+		# USE=qmlls' help plugin may be temporary, upstream has plans to split
+		# QtHelp into another package so that qtdeclarative can depend on it
+		# without a circular dependency with qttools
+		$(cmake_use_find_package qmlls Qt6QmlLSPrivate)
+	)
+
+	qt6-build_src_configure
+}
+
+pkg_postinst() {
+	xdg_pkg_postinst
+
+	use assistant &&
+		optfeature "Qt documentation viewable in assistant" \
+			'dev-qt/qt-docs:6[qch]' #602296
+}