diff --git a/var/spack/repos/builtin/packages/chez-scheme/package.py b/var/spack/repos/builtin/packages/chez-scheme/package.py
new file mode 100644
index 00000000000..11adcfab0e6
--- /dev/null
+++ b/var/spack/repos/builtin/packages/chez-scheme/package.py
@@ -0,0 +1,74 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class ChezScheme(AutotoolsPackage):
+    """Compiler and run-time system for the language of the Revised^6 Report
+    on Scheme (R6RS), with numerous extensions."""
+
+    homepage = "https://cisco.github.io/ChezScheme/"
+    url = "https://github.com/cisco/ChezScheme/releases/download/v10.1.0/csv10.1.0.tar.gz"
+    git = "https://github.com/cisco/ChezScheme.git"
+
+    license("Apache-2.0", checked_by="Buldram")
+    maintainers("Buldram")
+
+    version("main", branch="main", submodules=True)
+    version("10.1.0", sha256="9181a6c8c4ab5e5d32d879ff159d335a50d4f8b388611ae22a263e932c35398b")
+    version("10.0.0", sha256="d37199012b5ed1985c4069d6a87ff18e5e1f5a2df27e402991faf45dc4f2232c")
+
+    variant("threads", default=False, description="Enable multithreading support")
+    variant("libffi", default=False, description="Use libffi")
+    variant("iconv", default=True, description="Use iconv")
+    variant("curses", default=True, description="Use ncurses")
+    variant("x11", default=True, description="Use libx11")
+
+    depends_on("c", type="build")
+    depends_on("zuo", type="build", when="@10.1.0:")
+    depends_on("lz4", type="build")
+    depends_on("zlib-api", type="build")
+    depends_on("uuid", type="build")
+    depends_on("uuid", type="link", when="platform=windows")
+    depends_on("libffi", type="link", when="+libffi")
+    depends_on("iconv", type="link", when="+iconv")
+    depends_on("ncurses", type="link", when="+curses")
+    depends_on("libx11", type="build", when="+x11")
+
+    conflicts("^[virtuals=iconv] libiconv", when="platform=linux")
+    conflicts("+iconv", when="platform=windows")
+    conflicts("+curses", when="platform=windows")
+
+    def setup_build_environment(self, env):
+        env.set("ZUO_JOBS", make_jobs)
+
+    def patch(self):
+        true = which_string("true", required=True)
+        if true not in ["/bin/true", "/usr/bin/true"]:
+            filter_file("/bin/true", f"'{true}'", "makefiles/installsh", string=True)
+        if self.spec.satisfies("+curses"):
+            filter_file(
+                "-lncurses", f"'{self.spec['ncurses'].libs.link_flags}'", "configure", string=True
+            )
+
+    def configure_args(self):
+        spec = self.spec
+        args = [
+            f"LZ4={spec['lz4'].libs.link_flags}",
+            f"ZLIB={spec['zlib-api'].libs.link_flags}",
+            "--as-is",
+            "--threads" if spec.satisfies("+threads") else "--nothreads",
+        ]
+        if spec.satisfies("@10.1.0:"):
+            args.append(f"ZUO={spec['zuo'].prefix.bin.join('zuo')}")
+        if spec.satisfies("+libffi"):
+            args.append("--enable-libffi")
+        if spec.satisfies("~iconv"):
+            args.append("--disable-iconv")
+        if spec.satisfies("~curses"):
+            args.append("--disable-curses")
+        if spec.satisfies("~x11"):
+            args.append("--disable-x11")
+        return args
diff --git a/var/spack/repos/builtin/packages/zuo/package.py b/var/spack/repos/builtin/packages/zuo/package.py
new file mode 100644
index 00000000000..9092b4020c3
--- /dev/null
+++ b/var/spack/repos/builtin/packages/zuo/package.py
@@ -0,0 +1,27 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Zuo(AutotoolsPackage):
+    """A tiny Racket for scripting."""
+
+    homepage = "https://github.com/racket/zuo"
+    url = "https://github.com/racket/zuo/archive/refs/tags/v1.11.tar.gz"
+
+    license("Apache-2.0 AND MIT", checked_by="Buldram")
+    maintainers("Buldram")
+
+    version("1.11", sha256="8404bea8ecae4576f44dece7efcab69d94c8a30ec10ea186f86823d37e74694b")
+
+    variant("big", default=False, description="Enable hygienic macro support")
+
+    depends_on("c", type="build")
+
+    def setup_build_environment(self, env):
+        env.set("ZUO_JOBS", make_jobs)
+
+    def configure_args(self):
+        return [*self.enable_or_disable("big")]