diff --git a/.appveyor_conda.yml b/.appveyor_conda.yml
index 7d2ed51..167461a 100644
--- a/.appveyor_conda.yml
+++ b/.appveyor_conda.yml
@@ -17,6 +17,7 @@ build_script:
   - git clone https://github.com/plures/ndtypes.git
   - git clone https://github.com/plures/xnd.git
   - git clone https://github.com/plures/gumath.git
+  - git clone https://github.com/plures/xndtools.git
   - cd ndtypes
   - conda build .conda/libndtypes
   - conda build .conda/ndtypes
@@ -32,6 +33,9 @@ build_script:
   - conda build .conda/gumath
   - ps: $env:LIBGUMATH = (conda build --output .conda/libgumath)
   - ps: $env:GUMATH = (conda build --output .conda/gumath)
+  - cd ..\xndtools
+  - conda build .conda
+  - ps: $env:XNDTOOLS = (conda build --output .conda)
   - cd ..\..\scripts
   - ps: $env:UPLOAD_LIBNDTYPES = (python.exe check_upload.py libndtypes $env:LIBNDTYPES)
   - ps: $env:UPLOAD_NDTYPES = (python.exe check_upload.py ndtypes $env:NDTYPES)
@@ -39,6 +43,7 @@ build_script:
   - ps: $env:UPLOAD_XND = (python.exe check_upload.py xnd $env:XND)
   - ps: $env:UPLOAD_LIBGUMATH = (python.exe check_upload.py libgumath $env:LIBGUMATH)
   - ps: $env:UPLOAD_GUMATH = (python.exe check_upload.py gumath $env:GUMATH)
+  - ps: $env:UPLOAD_XNDTOOLS = (python.exe check_upload.py xndtools $env:XNDTOOLS)
 
 
 on_success:
@@ -48,6 +53,7 @@ on_success:
   - ps: if((-not $env:APPVEYOR_PULL_REQUEST_NUMBER) -and ($env:UPLOAD_XND -eq "true")) { cmd /C anaconda --token $env:anaconda_token upload $env:XND --user xnd --label dev "2>&1" }
   - ps: if((-not $env:APPVEYOR_PULL_REQUEST_NUMBER) -and ($env:UPLOAD_LIBGUMATH -eq "true")) { cmd /C anaconda --token $env:anaconda_token upload $env:LIBGUMATH --user xnd --label dev "2>&1" }
   - ps: if((-not $env:APPVEYOR_PULL_REQUEST_NUMBER) -and ($env:UPLOAD_GUMATH -eq "true")) { cmd /C anaconda --token $env:anaconda_token upload $env:GUMATH --user xnd --label dev "2>&1" }
+  - ps: if((-not $env:APPVEYOR_PULL_REQUEST_NUMBER) -and ($env:UPLOAD_XNDTOOLS -eq "true")) { cmd /C anaconda --token $env:anaconda_token upload $env:XNDTOOLS --user xnd --label dev "2>&1" }
 
 environment:
   anaconda_token:
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b754881
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/python/
diff --git a/.travis.yml b/.travis.yml
index 11e3b5b..3cc6dee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -78,18 +78,21 @@ matrix:
         - export XND=`conda build --output build/xnd/.conda/xnd`
         - export LIBGUMATH=`conda build --output build/gumath/.conda/libgumath`
         - export GUMATH=`conda build --output build/gumath/.conda/gumath`
+        - export XNDTOOLS=`conda build --output build/xndtools/.conda`
         - export UPLOAD_LIBNDTYPES=`python3 check_upload.py libndtypes $LIBNDTYPES`
         - export UPLOAD_NDTYPES=`python3 check_upload.py ndtypes $NDTYPES`
         - export UPLOAD_LIBXND=`python3 check_upload.py libxnd $LIBXND`
         - export UPLOAD_XND=`python3 check_upload.py xnd $XND`
         - export UPLOAD_LIBGUMATH=`python3 check_upload.py libgumath $LIBGUMATH`
         - export UPLOAD_GUMATH=`python3 check_upload.py gumath $GUMATH`
+        - export UPLOAD_XNDTOOLS=`python3 check_upload.py xndtools $XNDTOOLS`
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBNDTYPES" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBNDTYPES --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_NDTYPES" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $NDTYPES --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBXND" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBXND --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_XND" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $XND --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBGUMATH" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBGUMATH --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_GUMATH" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $GUMATH --user xnd --label dev; fi
+        - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_XNDTOOLS" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $XNDTOOLS --user xnd --label dev; fi
 
     - language: objective-c
       os: osx
@@ -114,18 +117,21 @@ matrix:
         - export XND=`conda build --output build/xnd/.conda/xnd`
         - export LIBGUMATH=`conda build --output build/gumath/.conda/libgumath`
         - export GUMATH=`conda build --output build/gumath/.conda/gumath`
+        - export XNDTOOLS=`conda build --output build/xndtools/.conda`
         - export UPLOAD_LIBNDTYPES=`python3 check_upload.py libndtypes $LIBNDTYPES`
         - export UPLOAD_NDTYPES=`python3 check_upload.py ndtypes $NDTYPES`
         - export UPLOAD_LIBXND=`python3 check_upload.py libxnd $LIBXND`
         - export UPLOAD_XND=`python3 check_upload.py xnd $XND`
         - export UPLOAD_LIBGUMATH=`python3 check_upload.py libgumath $LIBGUMATH`
         - export UPLOAD_GUMATH=`python3 check_upload.py gumath $GUMATH`
+        - export UPLOAD_XNDTOOLS=`python3 check_upload.py xndtools $XNDTOOLS`
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBNDTYPES" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBNDTYPES --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_NDTYPES" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $NDTYPES --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBXND" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBXND --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_XND" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $XND --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_LIBGUMATH" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $LIBGUMATH --user xnd --label dev; fi
         - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_GUMATH" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $GUMATH --user xnd --label dev; fi
+        - if test X"$TRAVIS_BRANCH" = X"master" && test X"$TRAVIS_PULL_REQUEST" = X"false" && test X"$UPLOAD_XNDTOOLS" = X"true"; then anaconda --token $ANACONDA_TOKEN upload $XNDTOOLS --user xnd --label dev; fi
 
 env:
   global:
diff --git a/scripts/conda-install.bat b/scripts/conda-install.bat
index 7f7d793..76e71db 100755
--- a/scripts/conda-install.bat
+++ b/scripts/conda-install.bat
@@ -3,6 +3,7 @@ mkdir build && cd build
 git clone https://github.com/plures/ndtypes.git
 git clone https://github.com/plures/xnd.git
 git clone https://github.com/plures/gumath.git
+git clone https://github.com/plures/xndtools.git
 
 cd ndtypes
 conda build .conda\libndtypes
@@ -19,6 +20,9 @@ conda build .conda\libgumath
 conda build .conda\gumath
 conda install --use-local --yes gumath
 
-cd ..\..\
+cd ..\xndtools
+conda build .conda
+conda install --use-local --yes xndtools
 
+cd ..\..\
 
diff --git a/scripts/conda-install.sh b/scripts/conda-install.sh
index 58bceb4..9d703b4 100755
--- a/scripts/conda-install.sh
+++ b/scripts/conda-install.sh
@@ -10,6 +10,7 @@ mkdir build && cd build || exit 1
 git clone https://github.com/plures/ndtypes.git || exit 1
 git clone https://github.com/plures/xnd.git || exit 1
 git clone https://github.com/plures/gumath.git || exit 1
+git clone https://github.com/plures/xndtools.git || exit 1
 
 cd ndtypes || exit 1
 conda build .conda/libndtypes || exit 1
@@ -26,4 +27,7 @@ conda build .conda/libgumath || exit 1
 conda build .conda/gumath || exit 1
 conda install --use-local --yes gumath || exit 1
 
+cd ../xndtools || exit 1
+conda build .conda || exit 1
+conda install --use-local --yes xndtools || exit 1
 
diff --git a/setup.py b/setup.py
index 97428ea..8c1f376 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,7 @@
 except:
     SPHINX_BUILD = "sphinx"
 
+py_xnd_libs = ("ndtypes", "xnd", "gumath", "xndtools")
 
 def err_exit():
     sys.stderr.write(
@@ -50,8 +51,11 @@ def err_exit():
     sys.exit(1)
 
 def copy_tests():
-    for lib in "ndtypes", "xnd", "gumath":
-        pattern = os.path.join(lib, "python", "*.py")
+    for lib in py_xnd_libs:
+        if lib == "xndtools":
+            pattern = os.path.join(lib, "test", "*.py")
+        else:
+            pattern = os.path.join(lib, "python", "*.py")
         files = glob(pattern)
         dest = os.path.join("python", "test")
         for f in files:
@@ -62,7 +66,7 @@ def copy_tests():
     err_exit()
 
 if sys.argv[1] == "install":
-    for lib in "ndtypes", "xnd", "gumath":
+    for lib in py_xnd_libs:
         os.chdir(lib)
         os.system('"%s" setup.py install' % sys.executable)
         os.chdir("..")
@@ -71,9 +75,12 @@ def copy_tests():
 
 elif sys.argv[1] == "develop":
     INSTALLDIR = os.path.join(os.getcwd(), "python")
-    for lib in "ndtypes", "xnd", "gumath":
+    for lib in py_xnd_libs:
         os.chdir(lib)
-        os.system('"%s" setup.py install --local=%s' % (sys.executable, INSTALLDIR))
+        if lib == "xndtools":
+            os.system('"%s" setup.py develop' % sys.executable)
+        else:
+            os.system('"%s" setup.py install --local=%s' % (sys.executable, INSTALLDIR))
         os.chdir("..")
 
     copy_tests()
@@ -95,6 +102,10 @@ def copy_tests():
         sys.exit(ret)
 
     ret = subprocess.call([sys.executable, "test/test_gumath.py"], env=env)
+    if ret != 0:
+        sys.exit(ret)
+
+    ret = subprocess.call([sys.executable, "test/test_xndtools.py"], env=env)
     sys.exit(ret)
 
 elif sys.argv[1] == "doctest":