diff --git a/pkgs/by-name/mm/mmg/package.nix b/pkgs/by-name/mm/mmg/package.nix
new file mode 100644
index 0000000000000..f9587f9670f51
--- /dev/null
+++ b/pkgs/by-name/mm/mmg/package.nix
@@ -0,0 +1,43 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  unstableGitUpdater,
+  cmake,
+  perl,
+}:
+stdenv.mkDerivation {
+  pname = "mmg";
+  version = "5.7.3-unstable-2024-05-31";
+
+  src = fetchFromGitHub {
+    owner = "MmgTools";
+    repo = "mmg";
+    rev = "5a73683f84fe422031921bef4ced8905d8b9eb7e";
+    hash = "sha256-8m4iDsJdjlzuXatfIIZCY8RgrEp4BQihhmQfytu8aaU=";
+  };
+
+  passthru.updateScript = unstableGitUpdater { };
+
+  nativeBuildInputs = [
+    cmake
+    perl
+  ];
+
+  preConfigure = ''
+    patchShebangs ./
+  '';
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS:BOOL=TRUE"
+    "-DMMG_INSTALL_PRIVATE_HEADERS=ON"
+  ];
+
+  meta = with lib; {
+    description = "Open source software for bidimensional and tridimensional remeshing";
+    homepage = "http://www.mmgtools.org/";
+    platforms = platforms.unix;
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ mkez ];
+  };
+}
diff --git a/pkgs/by-name/pa/parmmg/package.nix b/pkgs/by-name/pa/parmmg/package.nix
new file mode 100644
index 0000000000000..529acf6828a97
--- /dev/null
+++ b/pkgs/by-name/pa/parmmg/package.nix
@@ -0,0 +1,59 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  unstableGitUpdater,
+  cmake,
+  gfortran,
+  perl,
+  mpi,
+  metis,
+  mmg,
+}:
+stdenv.mkDerivation {
+  pname = "parmmg";
+  version = "1.4.0-unstable-2024-04-22";
+
+  src = fetchFromGitHub {
+    owner = "MmgTools";
+    repo = "ParMmg";
+    rev = "f8a5338ea1bb2c778bfb4559c2c3974ba15b4730";
+    hash = "sha256-ieFHREAVeD7IwDUCtsMG5UKxahxM+wzNCAqCOHIHwu8=";
+  };
+
+  passthru.updateScript = unstableGitUpdater { };
+
+  nativeBuildInputs = [
+    cmake
+    gfortran
+    mpi
+    perl
+  ];
+
+  buildInputs = [
+    mpi
+    metis
+    mmg
+  ];
+
+  strictDeps = true;
+
+  preConfigure = ''
+    patchShebangs --build ./
+  '';
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS:BOOL=TRUE"
+    "-DDOWNLOAD_MMG=OFF"
+    "-DDOWNLOAD_METIS=OFF"
+    "-Wno-dev"
+  ];
+
+  meta = with lib; {
+    description = "Distributed parallelization of 3D volume mesh adaptation";
+    homepage = "http://www.mmgtools.org/";
+    platforms = platforms.unix;
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ mkez ];
+  };
+}