diff --git a/packages/rsync/build.ncl b/packages/rsync/build.ncl
new file mode 100644
index 00000000..6a1e2bd5
--- /dev/null
+++ b/packages/rsync/build.ncl
@@ -0,0 +1,60 @@
+let { BuildSpec, Local, OutputBin, OutputData, Source, .. } = import "minimal.ncl" in
+
+let version = "3.4.4" in
+
+let base = import "../base/build.ncl" in
+let gcc = import "../gcc/build.ncl" in
+let make = import "../make/build.ncl" in
+let toolchain = import "../toolchain/build.ncl" in
+let glibc = import "../glibc/build.ncl" in
+let xxhash = import "../xxhash/build.ncl" in
+let openssl = import "../openssl/build.ncl" in
+let acl = import "../acl/build.ncl" in
+let coreutils = import "../coreutils/build.ncl" in
+
+{
+  name = "rsync",
+
+  build_deps = [
+    { file = "build.sh" } | Local,
+    {
+      url = "https://github.com/RsyncProject/rsync/releases/download/v%{version}/rsync-%{version}.tar.gz",
+      sha256 = "bd88cf82fa653da32314fb229136407c5c90f80d1758d8f4b091767877d8fa96",
+      extract = true,
+      strip_prefix = "rsync-%{version}",
+    } | Source,
+    base,
+    toolchain,
+    make,
+    gcc,
+    xxhash,
+    openssl
+  ],
+
+  runtime_deps = [
+    glibc,
+    acl,
+    openssl,
+    coreutils
+  ],
+
+  cmd = "./build.sh",
+  build_args = {
+    include version,
+  },
+
+  outputs = {
+    rsync = { glob = "usr/bin/rsync" } | OutputBin,
+    "rsync-ssl" = { glob = "usr/bin/rsync-ssl" } | OutputBin,
+    mans = { glob = "usr/share/man/**" } | OutputData,
+  },
+
+  attrs = {
+    upstream_version = version,
+    source_provenance = {
+      category = 'GithubRepo,
+      owner = "RsyncProject",
+      repo = "rsync",
+    },
+  },
+} | BuildSpec
diff --git a/packages/rsync/build.sh b/packages/rsync/build.sh
new file mode 100755
index 00000000..d0308aa8
--- /dev/null
+++ b/packages/rsync/build.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+set -euo pipefail
+
+
+export CC=gcc
+export CFLAGS="-O3 -pipe -ffile-prefix-map=$(pwd)=/builddir -gno-record-gcc-switches"
+export CXXFLAGS="$CFLAGS"
+export LDFLAGS="-Wl,--build-id=none"
+export ARFLAGS=Drc
+
+# Patch configure.sh to remove the broken expanding here-doc block
+sed -i '/^cat >>\$CONFIG_STATUS <<_ACEOF || ac_write_fail=1$/{
+  N
+  /\n_ACEOF$/d
+}' configure.sh
+
+./configure
+
+make -j$(nproc) DESTDIR=$OUTPUT_DIR prefix=/usr install
diff --git a/packages/xxhash/build.ncl b/packages/xxhash/build.ncl
new file mode 100644
index 00000000..e97d5997
--- /dev/null
+++ b/packages/xxhash/build.ncl
@@ -0,0 +1,57 @@
+let { BuildSpec, Local, OutputBin, OutputData, OutputLib, Source, .. } = import "minimal.ncl" in
+
+let version = "0.8.3" in
+
+let base = import "../base/build.ncl" in
+let gcc = import "../gcc/build.ncl" in
+let make = import "../make/build.ncl" in
+let toolchain = import "../toolchain/build.ncl" in
+let glibc = import "../glibc/build.ncl" in
+
+{
+  name = "xxhash",
+
+  build_deps = [
+    { file = "build.sh" } | Local,
+    {
+      url = "https://github.com/Cyan4973/xxHash/archive/refs/tags/v%{version}.tar.gz",
+      sha256 = "aae608dfe8213dfd05d909a57718ef82f30722c392344583d3f39050c7f29a80",
+      extract = true,
+      strip_prefix = "xxHash-%{version}",
+    } | Source,
+    base,
+    toolchain,
+    make,
+    gcc
+  ],
+
+  runtime_deps = [
+    glibc
+  ],
+
+  cmd = "./build.sh",
+  build_args = {
+    include version,
+  },
+
+  outputs = {
+    xxhsum = { glob = "usr/bin/xxhsum" } | OutputBin,
+    xxh3sum = { glob = "usr/bin/xxh3sum" } | OutputBin,
+    xxh64sum = { glob = "usr/bin/xxh64sum" } | OutputBin,
+    xxh32sum = { glob = "usr/bin/xxh32sum" } | OutputBin,
+    xxh128sum = { glob = "usr/bin/xxh128sum" } | OutputBin,
+    libs = { glob = "usr/lib/{*.so*,*.a*}" } | OutputLib,
+    headers = { glob = "usr/include/**" } | OutputData,
+    pkgconfigs = { glob = "usr/lib/pkgconfig/**" } | OutputData,
+    mans = { glob = "usr/share/man/**" } | OutputData,
+  },
+
+  attrs = {
+    upstream_version = version,
+    source_provenance = {
+      category = 'GithubRepo,
+      owner = "Cyan4973",
+      repo = "xxHash",
+    },
+  },
+} | BuildSpec
diff --git a/packages/xxhash/build.sh b/packages/xxhash/build.sh
new file mode 100755
index 00000000..0509d229
--- /dev/null
+++ b/packages/xxhash/build.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euo pipefail
+
+
+export CC=gcc
+export CFLAGS="-O3 -pipe -ffile-prefix-map=$(pwd)=/builddir -gno-record-gcc-switches"
+export CXXFLAGS="$CFLAGS"
+export LDFLAGS="-Wl,--build-id=none"
+export ARFLAGS=Drc
+
+make -j$(nproc) DESTDIR=$OUTPUT_DIR PREFIX=/usr install