diff --git a/ports/butteraugli/CMakeLists.txt b/ports/butteraugli/CMakeLists.txt
new file mode 100644
index 000000000..f3a59069e
--- /dev/null
+++ b/ports/butteraugli/CMakeLists.txt
@@ -0,0 +1,43 @@
+cmake_minimum_required(VERSION 3.8.0)
+project(butteraugli)
+
+if(MSVC)
+  add_compile_options(/W3 /wd4005 /wd4996 /wd4018 -D_CRT_SECURE_NO_WARNINGS -DNOMINMAX)
+endif()
+
+
+
+find_package(JPEG REQUIRED)
+find_package(PNG REQUIRED)
+
+include_directories("."  ${JPEG_INCLUDE_DIR} ${PNG_INCLUDE_DIRS})
+
+if(BUILD_SHARED_LIBS)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+
+add_library(butteraugli_lib butteraugli/butteraugli.cc)
+
+add_executable(butteraugli butteraugli/butteraugli_main.cc)
+
+target_link_libraries(butteraugli butteraugli_lib ${JPEG_LIBRARIES} ${PNG_LIBRARIES})
+
+
+install(
+  TARGETS butteraugli_lib
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+
+if(NOT DISABLE_INSTALL_TOOLS)
+  install (
+    TARGETS butteraugli
+    RUNTIME DESTINATION tools/butteraugli
+  )
+endif()
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES butteraugli/butteraugli.h  DESTINATION include)
+endif()
diff --git a/ports/butteraugli/CONTROL b/ports/butteraugli/CONTROL
new file mode 100644
index 000000000..d31a94e09
--- /dev/null
+++ b/ports/butteraugli/CONTROL
@@ -0,0 +1,4 @@
+Source: butteraugli
+Version: 2017-09-02-8c60a2aefa19adb
+Description: butteraugli estimates the psychovisual difference between two images
+Build-Depends: libpng, libjpeg-turbo
diff --git a/ports/butteraugli/missing_header.patch b/ports/butteraugli/missing_header.patch
new file mode 100644
index 000000000..11d314fad
--- /dev/null
+++ b/ports/butteraugli/missing_header.patch
@@ -0,0 +1,12 @@
+diff --git "a/butteraugli/butteraugli_main.cc" "b/butteraugli/butteraugli_main.cc"
+index f38af1d..ebf3197 100644
+--- "a/butteraugli/butteraugli_main.cc"
++++ "b/butteraugli/butteraugli_main.cc"
+@@ -2,6 +2,7 @@
+ #include <cstdint>
+ #include <cstdio>
+ #include <vector>
++#include <algorithm>
+ #include "butteraugli/butteraugli.h"
+ 
+ extern "C" {
diff --git a/ports/butteraugli/portfile.cmake b/ports/butteraugli/portfile.cmake
new file mode 100644
index 000000000..a4b6fcfdd
--- /dev/null
+++ b/ports/butteraugli/portfile.cmake
@@ -0,0 +1,30 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO google/butteraugli
+    REF 8c60a2aefa19adb40e457be5358d7cc93205c72f
+    SHA512 ff3d8fd952d291b51dab60cef6fa46b723c4a7b649c3df70f89c63febce865dc6a2e5f95ca165ea4424fed52a57c2d76c918eb31646c44ba34a0fa51a003c9dd
+    HEAD_REF master
+)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_apply_patches(
+    SOURCE_PATH ${SOURCE_PATH}
+    PATCHES
+    "${CMAKE_CURRENT_LIST_DIR}/missing_header.patch"
+  )
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS_DEBUG -DDISABLE_INSTALL_HEADERS=ON -DDISABLE_INSTALL_TOOLS=ON
+)
+
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+
+vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/butteraugli)
+
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/butteraugli RENAME copyright)