diff --git a/__init__.py b/__init__.py
index 607bc8b..983d73e 100644
--- a/__init__.py
+++ b/__init__.py
@@ -50,10 +50,6 @@ class SewebManager(ServiceManager):
 
 all = NicosManager, FrappyManager, SeaManager, SewebManager
 
-ACTION = 1
-INS = 2
-SERVICE = 3
-
 
 def run(group, arglist):
     try:
@@ -62,6 +58,9 @@ def run(group, arglist):
         managers = {cls.group: cls() for cls in all if cls.group + '_command' in defaults}
         serv = managers[group]
         args = dict(action='gui', ins=serv.main_ins)
+        ACTION = 1
+        INS = 2
+        SERVICE = 2 if serv.main_ins else 3
         extra = []
         pos = 0
         unorder = False
@@ -76,7 +75,7 @@ def run(group, arglist):
                 if pos >= SERVICE:
                     unorder = True
                 pos = SERVICE
-            elif arg in serv.info or arg == 'all' or serv.wildcard(arg) is not None:
+            elif arg in serv.info or arg == 'all' or serv.wildcard(arg):
                 args['ins'] = arg
                 if pos >= INS:
                     unorder = True
diff --git a/frappyman.py b/frappyman.py
index c06d8ea..948b938 100644
--- a/frappyman.py
+++ b/frappyman.py
@@ -38,7 +38,7 @@ class FrappyManager(ServiceManager):
       frappy start <instance> <service> <cfgfiles>
       frappy restart <instance> [<service>] [<cfgfiles>]       *
       frappy stop <instance> [<service>]                       *
-      frappy listcfg <instance> [<service>]       # list available cfg files
+      frappy listcfg <instance> [<service> | develop]       # list available cfg files
 
       <service> is one of main, stick, addons
       %s
@@ -132,9 +132,18 @@ class FrappyManager(ServiceManager):
                             cfgs[cfg] = desc
         return result if by_dir else all_cfg
 
-    def do_listcfg(self, ins='', service='main'):
-        for cfgdir, cfgs in self.all_cfg(ins, service, by_dir=True).items():
-            if cfgs:
+    def do_listcfg(self, ins='', service=''):
+        omit = 'develop'
+        if service:
+            all_cfg = self.all_cfg(ins, service, by_dir=True)
+            if service == 'develop':
+                omit = 'NONE'
+        else:
+            all_cfg = {}
+            for service in self.services:
+                all_cfg.update(self.all_cfg(ins, service, by_dir=True))
+        for cfgdir, cfgs in all_cfg.items():
+            if cfgs and not cfgdir.endswith(omit):
                 print('\n--- %s:\n' % cfgdir)
                 keylen = max(len(k) for k in cfgs)
                 for cfg, desc in cfgs.items():
@@ -143,6 +152,10 @@ class FrappyManager(ServiceManager):
     def treat_args(self, argdict, unknown=(), extra=()):
         if len(unknown) == 1:
             cfg = unknown[0]
-            if ',' in cfg or cfg in self.all_cfg(argdict.get('ins'), argdict.get('service')):
+            if cfg == 'develop':
+                argdict['service'] = cfg
+                return super().treat_args(argdict, (), ())
+            if (',' in cfg or cfg.endswith('.cfg') or
+                    cfg in self.all_cfg(argdict.get('ins'), argdict.get('service'))):
                 return super().treat_args(argdict, (), unknown)
         return super().treat_args(argdict, unknown, extra)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a4d92cc
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+psutil