diff --git a/bin/ctt b/bin/ctt
index d39f446..976ca3c 100755
--- a/bin/ctt
+++ b/bin/ctt
@@ -48,6 +48,10 @@ def parse_argv(argv, version):
     parser['sub'] = parser['main'].add_subparsers(title="Commands")
 
 
+    parser['listprojects'] = parser['sub'].add_parser('listprojects',
+        parents=[parser['loglevel']])
+    parser['listprojects'].set_defaults(func=ListProjects.commandline)
+
     parser['track'] = parser['sub'].add_parser('track',
         parents=[parser['loglevel']])
     parser['track'].set_defaults(func=Tracker.commandline)
@@ -98,6 +102,8 @@ if __name__ == "__main__":
     import ctt
     from ctt.tracker import Tracker
     from ctt.report import Report
+    from ctt.listprojects import ListProjects
+
 
     parse_argv(sys.argv[1:], ctt.VERSION)
     sys.exit(0)
diff --git a/lib/ctt/__init__.py b/lib/ctt/__init__.py
index cb2fab4..9a4c103 100644
--- a/lib/ctt/__init__.py
+++ b/lib/ctt/__init__.py
@@ -23,7 +23,7 @@
 import os
 import os.path
 
-VERSION         = "0.5"
+VERSION         = "0.6"
 FILE_DELTA      = "delta"
 FILE_COMMENT    = "comment"
 DATEFORMAT      = "%Y-%m-%d"
@@ -56,9 +56,17 @@ def user_timedelta(seconds):
 
     return (hours, minutes, seconds)
 
-def project_dir(project):
+def ctt_dir():
     home = os.environ['HOME']
     ctt_dir = os.path.join(home, ".ctt")
+
+    return ctt_dir
+
+def project_dir(project):
+    ctt_dir = ctt_dir()
     project_dir = os.path.join(ctt_dir, project)
 
     return project_dir
+
+def list_projects(ctt_dir):
+    return os.listdir(ctt_dir)
diff --git a/lib/ctt/listprojects.py b/lib/ctt/listprojects.py
new file mode 100755
index 0000000..731b4b0
--- /dev/null
+++ b/lib/ctt/listprojects.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# 2012 Nico Schottelius (nico-ctt at schottelius.org)
+#
+# This file is part of ctt.
+#
+# ctt 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.
+#
+# ctt 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 ctt. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import ctt
+import logging
+
+log = logging.getLogger(__name__)
+
+class ListProjects(object):
+    """Return existing projects"""
+
+    @classmethod
+    def commandline(cls, args):
+        cls.print_projects()
+
+
+    def print_projects():
+        for project in ctt.list_projects(ctt.ctt_dir()):
+            print(project)