diff --git a/get_version.py b/get_version.py
index fe545a6796333774366e99f9a1416b5b1c1bc62f..25074ac5c3c6b0d75a4b65680c5bdbc0893a4223 100644
--- a/get_version.py
+++ b/get_version.py
@@ -2,20 +2,20 @@
 #                                                                              #
 #  Copyright 2019 Max Planck Institute for Dynamics and Self-Organization      #
 #                                                                              #
-#  This file is part of bfps.                                                  #
+#  This file is part of TurTLE.                                                #
 #                                                                              #
-#  bfps is free software: you can redistribute it and/or modify                #
+#  TurTLE is free software: you can redistribute it and/or modify              #
 #  it under the terms of the GNU General Public License as published           #
 #  by the Free Software Foundation, either version 3 of the License,           #
 #  or (at your option) any later version.                                      #
 #                                                                              #
-#  bfps is distributed in the hope that it will be useful,                     #
+#  TurTLE is distributed in the hope that it will be useful,                   #
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of              #
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
 #  GNU General Public License for more details.                                #
 #                                                                              #
 #  You should have received a copy of the GNU General Public License           #
-#  along with bfps.  If not, see <http://www.gnu.org/licenses/>                #
+#  along with TurTLE.  If not, see <http://www.gnu.org/licenses/>              #
 #                                                                              #
 # Contact: Cristian.Lalescu@ds.mpg.de                                          #
 #                                                                              #
diff --git a/setup.py b/setup.py
index 65da1239a2a4cfd6d8380d38d8f8902611e0771f..5eef884045a79bfa632b8c13296c8556baeb6a13 100644
--- a/setup.py
+++ b/setup.py
@@ -2,20 +2,20 @@
 #                                                                              #
 #  Copyright 2015-2019 Max Planck Institute for Dynamics and Self-Organization #
 #                                                                              #
-#  This file is part of bfps.                                                  #
+#  This file is part of TurTLE.                                                #
 #                                                                              #
-#  bfps is free software: you can redistribute it and/or modify                #
+#  TurTLE is free software: you can redistribute it and/or modify                #
 #  it under the terms of the GNU General Public License as published           #
 #  by the Free Software Foundation, either version 3 of the License,           #
 #  or (at your option) any later version.                                      #
 #                                                                              #
-#  bfps is distributed in the hope that it will be useful,                     #
+#  TurTLE is distributed in the hope that it will be useful,                     #
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of              #
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
 #  GNU General Public License for more details.                                #
 #                                                                              #
 #  You should have received a copy of the GNU General Public License           #
-#  along with bfps.  If not, see <http://www.gnu.org/licenses/>                #
+#  along with TurTLE.  If not, see <http://www.gnu.org/licenses/>                #
 #                                                                              #
 # Contact: Cristian.Lalescu@ds.mpg.de                                          #
 #                                                                              #
@@ -36,13 +36,13 @@ import pickle
 ### package versioning
 import get_version
 VERSION = get_version.main()
-print('This is bfps version ' + VERSION)
+print('This is TurTLE version ' + VERSION)
 
 
 import distutils.cmd
 
 class CompileLibCommand(distutils.cmd.Command):
-    description = 'Compile bfps library.'
+    description = 'Compile TurTLE library.'
     user_options = [
             ('timing-output=', None, 'Toggle timing output.'),
             ('fftw-estimate=', None, 'Use FFTW ESTIMATE.'),
@@ -67,24 +67,24 @@ class CompileLibCommand(distutils.cmd.Command):
                 {'install_date' : now,
                  'VERSION' : VERSION,
                  'git_revision' : git_revision},
-                open('bfps/install_info.pickle', 'wb'),
+                open('turtle/install_info.pickle', 'wb'),
                 protocol = 2)
         return None
 
 from setuptools import setup
 
 setup(
-        name = 'bfps',
-        packages = ['bfps', 'bfps/test'],
+        name = 'TurTLE',
+        packages = ['turtle', 'turtle/test'],
         install_requires = ['numpy>=1.8', 'h5py>=2.2.1'],
-        package_data = {'bfps': ['test/B32p1e4_checkpoint_0.h5']},
+        package_data = {'turtle': ['test/B32p1e4_checkpoint_0.h5']},
         entry_points = {
             'console_scripts': [
-                'bfps = bfps.__main__:main',
-                'bfps.test_NSVEparticles = bfps.test.test_bfps_NSVEparticles:main',
-                'bfps.test_particles = bfps.test.test_particles:main',
-                'bfps.test_Parseval = bfps.test.test_Parseval:main',
-                'bfps.test_fftw = bfps.test.test_fftw:main'],
+                'turtle = turtle.__main__:main',
+                'turtle.test_NSVEparticles = turtle.test.test_turtle_NSVEparticles:main',
+                'turtle.test_particles = turtle.test.test_particles:main',
+                'turtle.test_Parseval = turtle.test.test_Parseval:main',
+                'turtle.test_fftw = turtle.test.test_fftw:main'],
             },
         version = VERSION,
 ########################################################################
@@ -92,7 +92,7 @@ setup(
 # if anyone knows how to open the README when calling this script from
 # cmake, please let me know.
 ########################################################################
-        description = 'Big Fluid and Particle Simulator',
+        description = 'Turbulence Tools: Lagrangian and Eulerian',
         #long_description = open('${PROJECT_SOURCE_DIR}/README.rst', 'r').read(),
         author = AUTHOR,
         author_email = AUTHOR_EMAIL,
diff --git a/bfps/DNS.py b/turtle/DNS.py
similarity index 100%
rename from bfps/DNS.py
rename to turtle/DNS.py
diff --git a/bfps/PP.py b/turtle/PP.py
similarity index 100%
rename from bfps/PP.py
rename to turtle/PP.py
diff --git a/bfps/TEST.py b/turtle/TEST.py
similarity index 100%
rename from bfps/TEST.py
rename to turtle/TEST.py
diff --git a/bfps/__init__.py b/turtle/__init__.py
similarity index 100%
rename from bfps/__init__.py
rename to turtle/__init__.py
diff --git a/bfps/__main__.py b/turtle/__main__.py
similarity index 100%
rename from bfps/__main__.py
rename to turtle/__main__.py
diff --git a/bfps/_base.py b/turtle/_base.py
similarity index 100%
rename from bfps/_base.py
rename to turtle/_base.py
diff --git a/bfps/_code.py b/turtle/_code.py
similarity index 100%
rename from bfps/_code.py
rename to turtle/_code.py
diff --git a/bfps/test/B32p1e4_checkpoint_0.h5 b/turtle/test/B32p1e4_checkpoint_0.h5
similarity index 100%
rename from bfps/test/B32p1e4_checkpoint_0.h5
rename to turtle/test/B32p1e4_checkpoint_0.h5
diff --git a/bfps/test/__init__.py b/turtle/test/__init__.py
similarity index 100%
rename from bfps/test/__init__.py
rename to turtle/test/__init__.py
diff --git a/bfps/test/test_Parseval.py b/turtle/test/test_Parseval.py
similarity index 100%
rename from bfps/test/test_Parseval.py
rename to turtle/test/test_Parseval.py
diff --git a/bfps/test/test_bfps_NSVEparticles.py b/turtle/test/test_bfps_NSVEparticles.py
similarity index 100%
rename from bfps/test/test_bfps_NSVEparticles.py
rename to turtle/test/test_bfps_NSVEparticles.py
diff --git a/bfps/test/test_bfps_resize.py b/turtle/test/test_bfps_resize.py
similarity index 100%
rename from bfps/test/test_bfps_resize.py
rename to turtle/test/test_bfps_resize.py
diff --git a/bfps/test/test_fftw.py b/turtle/test/test_fftw.py
similarity index 100%
rename from bfps/test/test_fftw.py
rename to turtle/test/test_fftw.py
diff --git a/bfps/test/test_interpolation.py b/turtle/test/test_interpolation.py
similarity index 100%
rename from bfps/test/test_interpolation.py
rename to turtle/test/test_interpolation.py
diff --git a/bfps/test/test_particle_clouds.py b/turtle/test/test_particle_clouds.py
similarity index 100%
rename from bfps/test/test_particle_clouds.py
rename to turtle/test/test_particle_clouds.py
diff --git a/bfps/test/test_particles.py b/turtle/test/test_particles.py
similarity index 100%
rename from bfps/test/test_particles.py
rename to turtle/test/test_particles.py
diff --git a/bfps/tools.py b/turtle/tools.py
similarity index 100%
rename from bfps/tools.py
rename to turtle/tools.py