diff --git a/.github/workflows/test-compile.yml b/.github/workflows/test-compile.yml
index 3093e8dfd..b950aa1c0 100644
--- a/.github/workflows/test-compile.yml
+++ b/.github/workflows/test-compile.yml
@@ -43,7 +43,7 @@ jobs:
           - ubuntu-latest
         compiler:
           # oldest supported
-          - 'clang-14'
+          - 'clang-16'
           - 'gcc-11'
           # newest, make sure to update maximum standard step to match
           - 'clang-22'
@@ -73,7 +73,6 @@ jobs:
         uses: aminya/setup-cpp@v1
         with:
           compiler: ${{ matrix.compiler }}
-          gcc: ${{ (matrix.os == 'ubuntu-latest' && matrix.compiler == 'clang-14') && '12' || '' }}
 
       - name: Tool versions
         shell: bash
@@ -81,11 +80,6 @@ jobs:
           $CC --version
           $CXX --version
 
-      - name: Fix clang-14 toolchain
-        if: matrix.os == 'ubuntu-latest' && matrix.compiler == 'clang-14'
-        run: |
-          echo 'CXXFLAGS=--gcc-toolchain=/usr -isystem /usr/include/c++/12 -isystem /usr/include/x86_64-linux-gnu/c++/12' >> $GITHUB_ENV
-
       # minimum standard
       - name: Build C++20
         shell: bash
diff --git a/.gitmodules b/.gitmodules
index 9f18be11e..e8f7ee3c2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,12 @@
 [submodule "cxxopts"]
 	path = libs/cxxopts
 	url = https://github.com/jarro2783/cxxopts
+[submodule "slang"]
+	path = libs/slang
+	url = https://github.com/MikePopoloski/slang
+[submodule "fmt"]
+	path = libs/fmt
+	url = https://github.com/fmtlib/fmt
+[submodule "yosys-slang"]
+	path = frontends/slang/lib
+	url = https://github.com/povik/yosys-slang
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a37b52ebe..dad7277f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,6 +53,7 @@ option(YOSYS_WITHOUT_ZLIB "Disable zlib integration" OFF)
 option(YOSYS_WITHOUT_LIBFFI "Disable libffi integration" OFF)
 option(YOSYS_WITHOUT_READLINE "Disable readline integration" OFF)
 option(YOSYS_WITHOUT_EDITLINE "Disable editline integration" OFF)
+option(YOSYS_WITHOUT_SLANG "Disable Slang integration" OFF)
 option(YOSYS_WITHOUT_TCL "Disable Tcl integration" OFF)
 option(YOSYS_WITH_PYTHON "Enable Python integration" OFF)
 
@@ -308,6 +309,7 @@ condition(YOSYS_ENABLE_EDITLINE editline_FOUND AND NOT YOSYS_WITHOUT_EDITLINE AN
 condition(YOSYS_ENABLE_TCL tcl_FOUND AND libtommath_FOUND AND NOT YOSYS_WITHOUT_TCL)
 condition(YOSYS_ENABLE_PYTHON Python3Devel_FOUND AND PyosysEnv_FOUND AND YOSYS_WITH_PYTHON)
 condition(YOSYS_ENABLE_VERIFIC YOSYS_VERIFIC_DIR AND zlib_FOUND)
+condition(YOSYS_ENABLE_SLANG NOT YOSYS_WITHOUT_SLANG)
 
 # Describe dependencies and features
 # CMake 4.0 would let us use proper conditions, but that's too new for now.
diff --git a/frontends/CMakeLists.txt b/frontends/CMakeLists.txt
index cc4c02d88..6e6eda488 100644
--- a/frontends/CMakeLists.txt
+++ b/frontends/CMakeLists.txt
@@ -6,5 +6,6 @@ add_subdirectory(json)
 add_subdirectory(liberty)
 add_subdirectory(rpc)
 add_subdirectory(rtlil)
+add_subdirectory(slang)
 add_subdirectory(verific)
 add_subdirectory(verilog)
diff --git a/frontends/slang/CMakeLists.txt b/frontends/slang/CMakeLists.txt
new file mode 100644
index 000000000..850b8d26f
--- /dev/null
+++ b/frontends/slang/CMakeLists.txt
@@ -0,0 +1,39 @@
+include(lib/cmake/GitRevision.cmake)
+git_rev_parse(YOSYS_SLANG_REVISION ${CMAKE_CURRENT_SOURCE_DIR}/lib)
+git_rev_parse(SLANG_REVISION ${PROJECT_SOURCE_DIR}/libs/slang)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lib/src/version.h.in ${CMAKE_CURRENT_BINARY_DIR}/version.h)
+
+yosys_frontend(slang
+	lib/src/abort_helpers.cc
+	lib/src/addressing.cc
+	lib/src/async_pattern.cc
+	lib/src/async_pattern.h
+	lib/src/blackboxes.cc
+	lib/src/builder.cc
+	lib/src/cases.cc
+	lib/src/cases.h
+	lib/src/diag.cc
+	lib/src/diag.h
+	lib/src/initialization.cc
+	lib/src/lvalue.cc
+	lib/src/memory.h
+	lib/src/naming.cc
+	lib/src/procedural.cc
+	lib/src/slang_frontend.cc
+	lib/src/slang_frontend.h
+	lib/src/statements.h
+	lib/src/sva.cc
+	lib/src/variables.cc
+	lib/src/variables.h
+	${CMAKE_CURRENT_BINARY_DIR}/version.h
+	ENABLE_IF
+		YOSYS_ENABLE_SLANG
+	INCLUDE_DIRS
+		${CMAKE_CURRENT_BINARY_DIR}
+	LIBRARIES
+		$<${YOSYS_ENABLE_SLANG}:slang::slang>
+		fmt::fmt
+)
+
+# TODO: remove next line when warnings/errors are fixed
+set_target_properties(yosys_read_slang PROPERTIES YOSYS_IS_ABC ON)
diff --git a/frontends/slang/lib b/frontends/slang/lib
new file mode 160000
index 000000000..325153096
--- /dev/null
+++ b/frontends/slang/lib
@@ -0,0 +1 @@
+Subproject commit 3251530961e0e8a8054098c9bb8376474958944a
diff --git a/libs/CMakeLists.txt b/libs/CMakeLists.txt
index ae13387c0..8a9bb22ed 100644
--- a/libs/CMakeLists.txt
+++ b/libs/CMakeLists.txt
@@ -7,3 +7,18 @@ add_subdirectory(json11)
 add_subdirectory(minisat)
 add_subdirectory(sha1)
 add_subdirectory(subcircuit)
+block()
+    set(BUILD_SHARED_LIBS OFF)
+    include(FetchContent)
+    option(FMT_INSTALL OFF)
+    FetchContent_Declare(
+        fmt
+        EXCLUDE_FROM_ALL
+        SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/fmt
+    )
+    FetchContent_MakeAvailable(fmt)
+    if (NOT YOSYS_WITHOUT_SLANG)
+        set(SLANG_USE_MIMALLOC OFF)
+        add_subdirectory(slang)
+    endif()
+endblock()
diff --git a/libs/fmt b/libs/fmt
new file mode 160000
index 000000000..553ec11ec
--- /dev/null
+++ b/libs/fmt
@@ -0,0 +1 @@
+Subproject commit 553ec11ec06fbe0beebfbb45f9dc3c9eabd83d28
diff --git a/libs/slang b/libs/slang
new file mode 160000
index 000000000..f04e81565
--- /dev/null
+++ b/libs/slang
@@ -0,0 +1 @@
+Subproject commit f04e81565793c768b747a8fd058f3e7aeceee1b5