diff --git a/common/settings.py b/common/settings.py
new file mode 100755
index 0000000..f25c107
--- /dev/null
+++ b/common/settings.py
@@ -0,0 +1,158 @@
+#!/ef/efabless/opengalaxy/venv/bin/python3
+#
+#-----------------------------------------------------------
+# Settings window for the Open Galaxy characterization tool
+#
+#-----------------------------------------------------------
+# Written by Tim Edwards
+# efabless, inc.
+# March 17, 2017
+# Version 0.1
+#--------------------------------------------------------
+
+import re
+import tkinter
+from tkinter import ttk
+
+class Settings(tkinter.Toplevel):
+    """Open Galaxy characterization tool settings management."""
+
+    def __init__(self, parent=None, fontsize = 11, callback = None, *args, **kwargs):
+        '''See the __init__ for Tkinter.Toplevel.'''
+        tkinter.Toplevel.__init__(self, parent, *args, **kwargs)
+
+        s = ttk.Style()
+        s.configure('normal.TButton', font=('Helvetica', fontsize), border = 3, relief = 'raised')
+        self.protocol("WM_DELETE_WINDOW", self.close)
+        self.parent = parent
+        self.withdraw()
+        self.title('Open Galaxy Characterization Tool Settings')
+        self.sframe = tkinter.Frame(self)
+        self.sframe.grid(column = 0, row = 0, sticky = "news")
+
+        self.sframe.stitle = ttk.Label(self.sframe,
+		style='title.TLabel', text = 'Settings')
+        self.sframe.stitle.pack(side = 'top', fill = 'x', expand = 'true')
+        self.sframe.sbar = ttk.Separator(self.sframe, orient='horizontal')
+        self.sframe.sbar.pack(side = 'top', fill = 'x', expand = 'true')
+
+        self.doforce = tkinter.IntVar(self.sframe)
+        self.doforce.set(0)
+        self.sframe.force = ttk.Checkbutton(self.sframe, text='Force netlist regeneration',
+		variable = self.doforce)
+        self.sframe.force.pack(side = 'top', anchor = 'w')
+
+        self.doedit = tkinter.IntVar(self.sframe)
+        self.doedit.set(0)
+        self.sframe.edit = ttk.Checkbutton(self.sframe, text='Allow edit of all parameters',
+		variable = self.doedit)
+        self.sframe.edit.pack(side = 'top', anchor = 'w')
+
+        self.dokeep = tkinter.IntVar(self.sframe)
+        self.dokeep.set(0)
+        self.sframe.keep = ttk.Checkbutton(self.sframe, text='Keep simulation files',
+		variable = self.dokeep)
+        self.sframe.keep.pack(side = 'top', anchor = 'w')
+
+        self.doplot = tkinter.IntVar(self.sframe)
+        self.doplot.set(1)
+        self.sframe.plot = ttk.Checkbutton(self.sframe, text='Create plot files locally',
+		variable = self.doplot)
+        self.sframe.plot.pack(side = 'top', anchor = 'w')
+
+        self.dotest = tkinter.IntVar(self.sframe)
+        self.dotest.set(0)
+        self.sframe.test = ttk.Checkbutton(self.sframe, text='Submission test-only mode',
+		variable = self.dotest)
+        self.sframe.test.pack(side = 'top', anchor = 'w')
+
+        self.doschem = tkinter.IntVar(self.sframe)
+        self.doschem.set(0)
+        self.sframe.schem = ttk.Checkbutton(self.sframe,
+		text='Force submit as schematic only',
+		variable = self.doschem)
+        self.sframe.schem.pack(side = 'top', anchor = 'w')
+
+        self.dosubmitfailed = tkinter.IntVar(self.sframe)
+        self.dosubmitfailed.set(0)
+        self.sframe.submitfailed = ttk.Checkbutton(self.sframe,
+		text='Allow submission of unsimulated/failing design',
+		variable = self.dosubmitfailed)
+        self.sframe.submitfailed.pack(side = 'top', anchor = 'w')
+
+        self.dolog = tkinter.IntVar(self.sframe)
+        self.dolog.set(0)
+        self.sframe.log = ttk.Checkbutton(self.sframe, text='Log simulation output',
+		variable = self.dolog)
+        self.sframe.log.pack(side = 'top', anchor = 'w')
+
+        self.loadsave = tkinter.IntVar(self.sframe)
+        self.loadsave.set(0)
+        self.sframe.loadsave = ttk.Checkbutton(self.sframe, text='Unlimited loads/saves',
+		variable = self.loadsave)
+        self.sframe.loadsave.pack(side = 'top', anchor = 'w')
+
+        # self.sframe.sdisplay.sopts(side = 'top', fill = 'x', expand = 'true')
+
+        self.bbar = ttk.Frame(self)
+        self.bbar.grid(column = 0, row = 1, sticky = "news")
+        self.bbar.close_button = ttk.Button(self.bbar, text='Close',
+		command=self.close, style = 'normal.TButton')
+        self.bbar.close_button.grid(column=0, row=0, padx = 5)
+
+        # Callback-on-close
+        self.callback = callback
+
+    def grid_configure(self, padx, pady):
+        pass
+
+    def redisplay(self):
+        pass
+
+    def get_force(self):
+        # return the state of the "force netlist regeneration" checkbox
+        return False if self.doforce.get() == 0 else True
+
+    def get_edit(self):
+        # return the state of the "edit all parameters" checkbox
+        return False if self.doedit.get() == 0 else True
+
+    def get_keep(self):
+        # return the state of the "keep simulation files" checkbox
+        return False if self.dokeep.get() == 0 else True
+
+    def get_plot(self):
+        # return the state of the "create plot files locally" checkbox
+        return False if self.doplot.get() == 0 else True
+
+    def get_test(self):
+        # return the state of the "submit test mode" checkbox
+        return False if self.dotest.get() == 0 else True
+
+    def get_schem(self):
+        # return the state of the "submit as schematic" checkbox
+        return False if self.doschem.get() == 0 else True
+
+    def get_submitfailed(self):
+        # return the state of the "submit failed" checkbox
+        return False if self.dosubmitfailed.get() == 0 else True
+
+    def get_log(self):
+        # return the state of the "log simulation output" checkbox
+        return False if self.dolog.get() == 0 else True
+
+    def get_loadsave(self):
+        # return the state of the "unlimited loads/saves" checkbox
+        return False if self.loadsave.get() == 0 else True
+
+    def close(self):
+        # pop down settings window
+        self.withdraw()
+        # execute the callback function, if one is given
+        if self.callback:
+            self.callback()
+
+    def open(self):
+        # pop up settings window
+        self.deiconify()
+        self.lift()