diff --git a/edalize/tools/vcs.py b/edalize/tools/vcs.py
new file mode 100644
index 00000000..c382e50f
--- /dev/null
+++ b/edalize/tools/vcs.py
@@ -0,0 +1,193 @@
+# Copyright edalize contributors
+# Licensed under the 2-Clause BSD License, see LICENSE for details.
+# SPDX-License-Identifier: BSD-2-Clause
+
+from pathlib import Path
+
+from edalize.tools.edatool import Edatool
+from edalize.utils import EdaCommands
+
+
+class Vcs(Edatool):
+
+    description = "VCS simulator from Synopsys"
+
+    TOOL_OPTIONS = {
+        "32bit": {
+            "type": "bool",
+            "desc": "Disable 64-bit mode",
+        },
+        "vlogan_options": {
+            "type": "str",
+            "desc": "Additional options for analysis with vlogan",
+            "list": True,
+        },
+        "vhdlan_options": {
+            "type": "str",
+            "desc": "Additional options for analysis with vhdlan",
+            "list": True,
+        },
+        "vcs_options": {
+            "type": "str",
+            "desc": "Additional options for elaboration with vcs",
+            "list": True,
+        },
+        "run_options": {
+            "type": "str",
+            "desc": "Additional run-time options for the simulation",
+            "list": True,
+        },
+    }
+
+    def setup(self, edam):
+        super().setup(edam)
+
+        incdirs = []
+        include_files = []
+        unused_files = self.files.copy()
+        # Get all include dirs. Move include files to a separate list
+        for f in self.files:
+            if not "simulation" in f.get("tags", ["simulation"]):
+                continue
+            file_type = f.get("file_type", "")
+            if file_type.startswith("verilogSource") or file_type.startswith(
+                "systemVerilogSource"
+            ):
+                if self._add_include_dir(f, incdirs, force_slash=True):
+                    include_files.append(f["name"])
+                    unused_files.remove(f)
+
+        user_files = []
+        commands = {}
+        libs = {}
+        has_sv = False
+        for f in unused_files.copy():
+            lib = f.get("logical_name", "work")
+
+            file_type = f.get("file_type", "")
+            if file_type.startswith("verilogSource") or file_type.startswith(
+                "systemVerilogSource"
+            ):
+
+                if file_type.startswith("systemVerilogSource"):
+                    has_sv = True
+
+                vlog_defines = self.vlogdefine.copy()
+                vlog_defines.update(f.get("define", {}))
+
+                _args = []
+                for k, v in vlog_defines.items():
+                    _args.append(
+                        "+define+{}={}".format(
+                            k, self._param_value_str(v, str_quote_style='""')
+                        )
+                    )
+                defines = " ".join(_args)
+                cmd = "vlogan"
+            elif file_type.startswith("vhdlSource"):
+                cmd = "vhdlan"
+            elif file_type == "user":
+                user_files.append(f["name"])
+                cmd = None
+            else:
+                cmd = None
+
+            if not "simulation" in f.get("tags", ["simulation"]):
+                cmd = None
+
+            if cmd:
+                if not lib in libs:
+                    libs[lib] = []
+                libs[lib].append((cmd, f["name"], defines))
+                if not commands.get((cmd, lib, defines)):
+                    commands[(cmd, lib, defines)] = []
+                commands[(cmd, lib, defines)].append(f["name"])
+                unused_files.remove(f)
+
+        full64 = [] if self.tool_options.get("32bit") else ["-full64"]
+        self.commands = EdaCommands()
+        self.f_files = {}
+        for lib, files in libs.items():
+            cmds = {}
+            depfiles = []
+            has_vlog = False
+            # Group into individual commands
+            for (cmd, fname, defines) in files:
+                if not (cmd, defines) in cmds:
+                    cmds[(cmd, defines)] = []
+                cmds[(cmd, defines)].append(fname)
+                depfiles.append(fname)
+                if cmd == "vlogan":
+                    has_vlog = True
+            commands = [["mkdir", "-p", lib]]
+            i = 1
+            f_files = {}
+            for (cmd, defines), fnames in cmds.items():
+                options = []
+                if cmd == "vlogan":
+                    if has_sv:
+                        options.append("-sverilog")
+                    options += self.tool_options.get("vlogan_options", [])
+                    options += [defines]
+                    options += ["+incdir+" + d for d in incdirs]
+                elif cmd == "vhdlan":
+                    options += self.tool_options.get("vhdlan_options", [])
+                f_file = f"{lib}.{i}.f"
+                f_files[f_file] = options
+                i += 1
+                commands.append([cmd] + full64 + ["-f", f_file, "-work", lib] + fnames)
+            if has_vlog:
+                depfiles += include_files
+            self.commands.add(
+                commands, [lib + "/AN.DB"], depfiles + list(f_files.keys())
+            )
+            self.f_files.update(f_files)
+
+        self.edam = edam.copy()
+        self.edam["files"] = unused_files
+
+        _parameters = {**self.vlogparam, **self.generic}
+        parameters = []
+        for key, value in _parameters.items():
+            parameters += [f"-pvalue+{key}=" + self._param_value_str(value)]
+
+        self.f_files["vcs.f"] = (
+            ["-top", self.toplevel]
+            + self.tool_options.get("vcs_options", [])
+            + parameters
+        )
+        self.commands.add(
+            ["vcs"] + full64 + ["-o", self.name, "-file", "vcs.f"],
+            [self.name],
+            [x + "/AN.DB" for x in libs.keys()] + user_files + ["vcs.f"],
+        )
+
+        self.commands.add(
+            ["./" + self.name, "$(EXTRA_OPTIONS)"]
+            + self.tool_options.get("run_options", []),
+            ["run"],
+            [self.name],
+        )
+        self.commands.set_default_target(self.name)
+        self.libs = libs.keys()
+
+    def write_config_files(self):
+        s = "WORK > DEFAULT\nDEFAULT : ./work\n"
+        for lib in self.libs:
+            if lib != "work":
+                s += f"{lib} : ./{lib}\n"
+        self.update_config_file("synopsys_sim.setup", s)
+        for k, v in self.f_files.items():
+            self.update_config_file(k, " ".join(v) + "\n")
+
+    def run(self):
+        args = ["run"]
+
+        # Set plusargs
+        if self.plusarg:
+            plusargs = []
+            for key, value in self.plusarg.items():
+                plusargs += ["+{}={}".format(key, self._param_value_str(value))]
+            args.append("EXTRA_OPTIONS=" + " ".join(plusargs))
+
+        return ("make", args, self.work_root)
diff --git a/tests/test_tool_vcs.py b/tests/test_tool_vcs.py
new file mode 100644
index 00000000..22a6a8d4
--- /dev/null
+++ b/tests/test_tool_vcs.py
@@ -0,0 +1,32 @@
+from .edalize_tool_common import tool_fixture
+
+# TODO: File-specific defines
+# Run / run-options
+def test_tool_vcs(tool_fixture):
+
+    tool_options = {
+        "vlogan_options": ["a", "few", "vlogan", "options"],
+        "vhdlan_options": ["also", "vhdlan", "options"],
+        "vcs_options": ["some", "vcs", "options"],
+        "run_options": ["and", "some", "run", "options"],
+    }
+
+    tf = tool_fixture("vcs", tool_options=tool_options, ref_subdir="basic")
+
+    name = "design"
+
+    tf.tool.configure()
+    tf.compare_config_files(
+        ["synopsys_sim.setup", "libx.1.f", "vcs.f", "work.1.f", "work.2.f", "work.3.f"]
+    )
+
+
+def test_tool_vcs_minimal(tool_fixture):
+    tf = tool_fixture("vcs", ref_subdir="minimal")
+
+    name = "design"
+
+    tf.tool.configure()
+    tf.compare_config_files(
+        ["synopsys_sim.setup", "libx.1.f", "vcs.f", "work.1.f", "work.2.f", "work.3.f"]
+    )
diff --git a/tests/tools/vcs/basic/Makefile b/tests/tools/vcs/basic/Makefile
new file mode 100644
index 00000000..39211958
--- /dev/null
+++ b/tests/tools/vcs/basic/Makefile
@@ -0,0 +1,19 @@
+#Auto generated by Edalize
+
+all: design
+
+work/AN.DB: sv_file.sv vlog_file.v vlog_with_define.v vlog05_file.v vhdl_file.vhd vhdl2008_file another_sv_file.sv vlog_incfile work.1.f work.2.f work.3.f
+	$(EDALIZE_LAUNCHER) mkdir -p work
+	$(EDALIZE_LAUNCHER) vlogan -full64 -f work.1.f -work work sv_file.sv vlog_file.v vlog05_file.v another_sv_file.sv
+	$(EDALIZE_LAUNCHER) vlogan -full64 -f work.2.f -work work vlog_with_define.v
+	$(EDALIZE_LAUNCHER) vhdlan -full64 -f work.3.f -work work vhdl_file.vhd vhdl2008_file
+
+libx/AN.DB: vhdl_lfile libx.1.f
+	$(EDALIZE_LAUNCHER) mkdir -p libx
+	$(EDALIZE_LAUNCHER) vhdlan -full64 -f libx.1.f -work libx vhdl_lfile
+
+design: work/AN.DB libx/AN.DB user_file vcs.f
+	$(EDALIZE_LAUNCHER) vcs -full64 -o design -f vcs.f
+
+run: design
+	$(EDALIZE_LAUNCHER) ./design $(EXTRA_OPTIONS) and some run options
diff --git a/tests/tools/vcs/basic/libx.1.f b/tests/tools/vcs/basic/libx.1.f
new file mode 100644
index 00000000..4fd7ff33
--- /dev/null
+++ b/tests/tools/vcs/basic/libx.1.f
@@ -0,0 +1 @@
+also vhdlan options
diff --git a/tests/tools/vcs/basic/synopsys_sim.setup b/tests/tools/vcs/basic/synopsys_sim.setup
new file mode 100644
index 00000000..07124e38
--- /dev/null
+++ b/tests/tools/vcs/basic/synopsys_sim.setup
@@ -0,0 +1,3 @@
+WORK > DEFAULT
+DEFAULT : ./work
+libx : ./libx
diff --git a/tests/tools/vcs/basic/vcs.f b/tests/tools/vcs/basic/vcs.f
new file mode 100644
index 00000000..f1224df0
--- /dev/null
+++ b/tests/tools/vcs/basic/vcs.f
@@ -0,0 +1 @@
+-top top_module some vcs options -pvalue+vlogparam_bool=1 -pvalue+vlogparam_int=42 -pvalue+vlogparam_str=hello
diff --git a/tests/tools/vcs/basic/work.1.f b/tests/tools/vcs/basic/work.1.f
new file mode 100644
index 00000000..7d4badd6
--- /dev/null
+++ b/tests/tools/vcs/basic/work.1.f
@@ -0,0 +1 @@
+-sverilog a few vlogan options +define+vlogdefine_bool=1 +define+vlogdefine_int=42 +define+vlogdefine_str=""hello"" +incdir+.
diff --git a/tests/tools/vcs/basic/work.2.f b/tests/tools/vcs/basic/work.2.f
new file mode 100644
index 00000000..1bdc1d02
--- /dev/null
+++ b/tests/tools/vcs/basic/work.2.f
@@ -0,0 +1 @@
+-sverilog a few vlogan options +define+vlogdefine_bool=1 +define+vlogdefine_int=42 +define+vlogdefine_str=""hello"" +define+FD_KEY=""FD_VAL"" +incdir+.
diff --git a/tests/tools/vcs/basic/work.3.f b/tests/tools/vcs/basic/work.3.f
new file mode 100644
index 00000000..4fd7ff33
--- /dev/null
+++ b/tests/tools/vcs/basic/work.3.f
@@ -0,0 +1 @@
+also vhdlan options
diff --git a/tests/tools/vcs/minimal/Makefile b/tests/tools/vcs/minimal/Makefile
new file mode 100644
index 00000000..84d9ba70
--- /dev/null
+++ b/tests/tools/vcs/minimal/Makefile
@@ -0,0 +1,19 @@
+#Auto generated by Edalize
+
+all: design
+
+work/AN.DB: sv_file.sv vlog_file.v vlog_with_define.v vlog05_file.v vhdl_file.vhd vhdl2008_file another_sv_file.sv vlog_incfile work.1.f work.2.f work.3.f
+	$(EDALIZE_LAUNCHER) mkdir -p work
+	$(EDALIZE_LAUNCHER) vlogan -full64 -f work.1.f -work work sv_file.sv vlog_file.v vlog05_file.v another_sv_file.sv
+	$(EDALIZE_LAUNCHER) vlogan -full64 -f work.2.f -work work vlog_with_define.v
+	$(EDALIZE_LAUNCHER) vhdlan -full64 -f work.3.f -work work vhdl_file.vhd vhdl2008_file
+
+libx/AN.DB: vhdl_lfile libx.1.f
+	$(EDALIZE_LAUNCHER) mkdir -p libx
+	$(EDALIZE_LAUNCHER) vhdlan -full64 -f libx.1.f -work libx vhdl_lfile
+
+design: work/AN.DB libx/AN.DB user_file vcs.f
+	$(EDALIZE_LAUNCHER) vcs -full64 -o design -f vcs.f
+
+run: design
+	$(EDALIZE_LAUNCHER) ./design $(EXTRA_OPTIONS)
diff --git a/tests/tools/vcs/minimal/libx.1.f b/tests/tools/vcs/minimal/libx.1.f
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tests/tools/vcs/minimal/libx.1.f
@@ -0,0 +1 @@
+
diff --git a/tests/tools/vcs/minimal/synopsys_sim.setup b/tests/tools/vcs/minimal/synopsys_sim.setup
new file mode 100644
index 00000000..07124e38
--- /dev/null
+++ b/tests/tools/vcs/minimal/synopsys_sim.setup
@@ -0,0 +1,3 @@
+WORK > DEFAULT
+DEFAULT : ./work
+libx : ./libx
diff --git a/tests/tools/vcs/minimal/vcs.f b/tests/tools/vcs/minimal/vcs.f
new file mode 100644
index 00000000..cd057dbb
--- /dev/null
+++ b/tests/tools/vcs/minimal/vcs.f
@@ -0,0 +1 @@
+-top top_module -pvalue+vlogparam_bool=1 -pvalue+vlogparam_int=42 -pvalue+vlogparam_str=hello
diff --git a/tests/tools/vcs/minimal/work.1.f b/tests/tools/vcs/minimal/work.1.f
new file mode 100644
index 00000000..f1e48733
--- /dev/null
+++ b/tests/tools/vcs/minimal/work.1.f
@@ -0,0 +1 @@
+-sverilog +define+vlogdefine_bool=1 +define+vlogdefine_int=42 +define+vlogdefine_str=""hello"" +incdir+.
diff --git a/tests/tools/vcs/minimal/work.2.f b/tests/tools/vcs/minimal/work.2.f
new file mode 100644
index 00000000..8b1da4fe
--- /dev/null
+++ b/tests/tools/vcs/minimal/work.2.f
@@ -0,0 +1 @@
+-sverilog +define+vlogdefine_bool=1 +define+vlogdefine_int=42 +define+vlogdefine_str=""hello"" +define+FD_KEY=""FD_VAL"" +incdir+.
diff --git a/tests/tools/vcs/minimal/work.3.f b/tests/tools/vcs/minimal/work.3.f
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tests/tools/vcs/minimal/work.3.f
@@ -0,0 +1 @@
+