diff --git a/packages/pdtoolkit/default.nix b/packages/pdtoolkit/default.nix
new file mode 100644
index 0000000..4693a66
--- /dev/null
+++ b/packages/pdtoolkit/default.nix
@@ -0,0 +1,37 @@
+{ stdenv
+, fetchzip
+, coreutils
+, ...
+}:
+
+stdenv.mkDerivation rec {
+  pname = "pdtoolkit";
+  version = "3.25.1";
+
+  src = fetchzip {
+    url = "https://www.cs.uoregon.edu/research/tau/pdt_releases/pdtoolkit-${version}.tar.gz";
+    hash = "sha256-IfSc5hlTFqW+y81z0jucVvBiRXQ9SllDsS3K8M2c5Is=";
+  };
+
+  nativeBuildInputs = [
+    coreutils
+  ];
+
+  prePatch = ''
+    patchShebangs --build configure
+
+    for file in configure Makefile; do
+      substituteInPlace $file \
+        --replace /bin/rm rm \
+        --replace /bin/cp cp
+    done
+  '';
+
+  prefixKey = "-prefix=";
+
+  postInstall = ''
+    chmod -R u=rwX,g=rX,o=rX $out
+  '';
+
+  enableParallelBuilding = true;
+}
diff --git a/packages/tau/default.nix b/packages/tau/default.nix
new file mode 100644
index 0000000..d3fada4
--- /dev/null
+++ b/packages/tau/default.nix
@@ -0,0 +1,54 @@
+{ stdenv
+, fetchzip
+, coreutils
+, which
+, callPackage
+, libbfd
+, pdtoolkit ? callPackage ../pdtoolkit { }
+, ...
+}:
+
+stdenv.mkDerivation rec {
+  pname = "tau";
+  version = "2.32";
+
+  src = fetchzip {
+    url = "https://www.cs.uoregon.edu/research/tau/tau_releases/tau-${version}.tar.gz";
+    hash = "sha256-0wAvssUHtB4gxRDEq7HMpBB1etLa7zHk8TK27SRmJOE=";
+  };
+
+  nativeBuildInputs = [
+    coreutils
+    which
+  ];
+
+  buildInputs = [
+    pdtoolkit
+    libbfd
+  ];
+
+  configureFlags = [
+    "-pdt=${pdtoolkit}"
+  ];
+
+  prePatch = ''
+    patchShebangs --build configure
+
+    for file in configure $(find . -name "Makefile") $(find . -name "Makefile.skel") utils/FixMakefile; do
+      substituteInPlace $file \
+        --replace /bin/rm rm \
+        --replace /bin/cp cp \
+        --replace /bin/ln ln
+    done
+  '';
+
+  preBuild = ''
+    cd $out
+  '';
+
+  prefixKey = "-prefix=";
+
+  dontDisableStatic = true;
+
+  enableParallelBuilding = true;
+}
diff --git a/shared/packages.nix b/shared/packages.nix
index ed5d88e..4978ffc 100644
--- a/shared/packages.nix
+++ b/shared/packages.nix
@@ -1,7 +1,3 @@
-{ pkgs, lib, ... }:
-
-with lib;
-
 {
   nixpkgs.overlays = [
     (self: super: {
@@ -12,6 +8,9 @@ with lib;
 
       openmpi = self.callPackage ../packages/openmpi { };
 
+      pdtoolkit = self.callPackage ../packages/pdtoolkit { };
+      tau = self.callPackage ../packages/tau { };
+
       ucx = super.ucx.overrideAttrs (final: prev: rec {
         version = "1.16.0";