diff --git a/VAR.Toolbox/Code/BaseFactory.cs b/VAR.Toolbox/Code/BaseFactory.cs
new file mode 100644
index 0000000..41eee61
--- /dev/null
+++ b/VAR.Toolbox/Code/BaseFactory.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace VAR.Toolbox.Code
+{
+    public abstract class BaseFactory<T> where T : INamed
+    {
+        private static Dictionary<string, Type> _dictTypes = null;
+
+        private static Dictionary<string, Type> GetDict()
+        {
+            if (_dictTypes != null)
+            {
+                return _dictTypes;
+            }
+
+            Type iType = typeof(T);
+            IEnumerable<Type> types = ReflectionUtils.GetTypesOfInterface(iType);
+            _dictTypes = types.ToDictionary(t =>
+            {
+                T type = (T)System.Runtime.Serialization.FormatterServices.GetUninitializedObject(t);
+                return type.Name;
+            });
+
+            return _dictTypes;
+        }
+
+        public static string[] GetNames()
+        {
+            Dictionary<string, Type> dict = GetDict();
+            return dict.Select(p => p.Key).ToArray();
+        }
+
+        public static T CreateFromName(string name)
+        {
+            Dictionary<string, Type> dict = GetDict();
+            if (dict.ContainsKey(name) == false)
+            {
+                throw new NotImplementedException(string.Format("Cant create {1} with this name: {0}", name, typeof(T).Name));
+            }
+            Type type = dict[name];
+
+            T instance = (T)Activator.CreateInstance(type);
+            return instance;
+        }
+
+        public static T CreateFromConfig(string config)
+        {
+            Dictionary<string, Type> dict = GetDict();
+            int indexOfColon = config.IndexOf(':');
+            string name = config.Substring(0, indexOfColon < 0 ? config.Length : indexOfColon);
+            string nextConfig = config.Substring(indexOfColon + 1);
+            if (string.IsNullOrEmpty(name))
+            {
+                return (T)(object)null;
+            }
+            if (dict.ContainsKey(name) == false)
+            {
+                throw new NotImplementedException(string.Format("Cant create {1} with this config: {0}", config, typeof(T).Name));
+            }
+            Type type = dict[name];
+
+            T instance = (T)Activator.CreateInstance(type, new object[] { nextConfig });
+            return instance;
+        }
+    }
+
+    public interface INamed
+    {
+        string Name { get; }
+    }
+}
diff --git a/VAR.Toolbox/Code/ProxyCmdExecutors/IProxyCmdExecutor.cs b/VAR.Toolbox/Code/ProxyCmdExecutors/IProxyCmdExecutor.cs
index ee2f697..86dc772 100644
--- a/VAR.Toolbox/Code/ProxyCmdExecutors/IProxyCmdExecutor.cs
+++ b/VAR.Toolbox/Code/ProxyCmdExecutors/IProxyCmdExecutor.cs
@@ -1,9 +1,7 @@
 namespace VAR.Toolbox.Code.ProxyCmdExecutors
 {
-    public interface IProxyCmdExecutor
+    public interface IProxyCmdExecutor : INamed
     {
-        string Name { get; }
-
         bool ExecuteCmd(string cmd, IOutputHandler outputHandler);
     }
 }
diff --git a/VAR.Toolbox/Code/ProxyCmdExecutors/ProxyCmdExecutorFactory.cs b/VAR.Toolbox/Code/ProxyCmdExecutors/ProxyCmdExecutorFactory.cs
index fcdba5a..26637a1 100644
--- a/VAR.Toolbox/Code/ProxyCmdExecutors/ProxyCmdExecutorFactory.cs
+++ b/VAR.Toolbox/Code/ProxyCmdExecutors/ProxyCmdExecutorFactory.cs
@@ -1,50 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace VAR.Toolbox.Code.ProxyCmdExecutors
+namespace VAR.Toolbox.Code.ProxyCmdExecutors
 {
-    public class ProxyCmdExecutorFactory
+    public class ProxyCmdExecutorFactory : BaseFactory<IProxyCmdExecutor>
     {
-        private static Dictionary<string, Type> _dictProxyCmdExecutors = null;
-
-        private static Dictionary<string, Type> GetDict()
-        {
-            if (_dictProxyCmdExecutors != null)
-            {
-                return _dictProxyCmdExecutors;
-            }
-
-            Type iTextCoder = typeof(IProxyCmdExecutor);
-            IEnumerable<Type> toolFormTypes = ReflectionUtils.GetTypesOfInterface(iTextCoder);
-            _dictProxyCmdExecutors = toolFormTypes.ToDictionary(t =>
-            {
-                IProxyCmdExecutor proxyCmdExecutor = System.Runtime.Serialization.FormatterServices.GetUninitializedObject(t) as IProxyCmdExecutor;
-                return proxyCmdExecutor.Name;
-            });
-
-            return _dictProxyCmdExecutors;
-        }
-
-        public static IProxyCmdExecutor CreateFromConfig(string config)
-        {
-            Dictionary<string, Type> dict = GetDict();
-            int indexOfColon = config.IndexOf(':');
-            string name = config.Substring(0, indexOfColon < 0 ? config.Length : indexOfColon);
-            string nextConfig = config.Substring(indexOfColon + 1);
-            if (string.IsNullOrEmpty(name))
-            {
-                return new ProxyCmdExecutorDummy(string.Empty);
-            }
-            if (dict.ContainsKey(name) == false)
-            {
-                throw new NotImplementedException(string.Format("Cant create IProxyCmdExecutor with this config: {0}", config));
-            }
-            Type proxyCmdExecutorType = dict[name];
-
-            IProxyCmdExecutor proxyCmdExecutor = Activator.CreateInstance(proxyCmdExecutorType, new object[] { nextConfig }) as IProxyCmdExecutor;
-
-            return proxyCmdExecutor;
-        }
     }
 }
diff --git a/VAR.Toolbox/Code/TextCoders/ITextCoder.cs b/VAR.Toolbox/Code/TextCoders/ITextCoder.cs
index 02d9ae1..a316b86 100644
--- a/VAR.Toolbox/Code/TextCoders/ITextCoder.cs
+++ b/VAR.Toolbox/Code/TextCoders/ITextCoder.cs
@@ -1,9 +1,7 @@
 namespace VAR.Toolbox.Code.TextCoders
 {
-    public interface ITextCoder
+    public interface ITextCoder : INamed
     {
-        string Name { get; }
-
         bool NeedsKey { get; }
 
         string Encode(string input, string key);
diff --git a/VAR.Toolbox/Code/TextCoders/TextCoderFactory.cs b/VAR.Toolbox/Code/TextCoders/TextCoderFactory.cs
index fc36129..5404e7b 100644
--- a/VAR.Toolbox/Code/TextCoders/TextCoderFactory.cs
+++ b/VAR.Toolbox/Code/TextCoders/TextCoderFactory.cs
@@ -1,46 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace VAR.Toolbox.Code.TextCoders
+namespace VAR.Toolbox.Code.TextCoders
 {
-    public class TextCoderFactory
+    public class TextCoderFactory : BaseFactory<ITextCoder>
     {
-        private static Dictionary<string, Type> _dictTextCoderTypes = null;
-
-        private static Dictionary<string, Type> GetDict()
-        {
-            if (_dictTextCoderTypes != null)
-            {
-                return _dictTextCoderTypes;
-            }
-
-            Type iTextCoder = typeof(ITextCoder);
-            IEnumerable<Type> toolFormTypes = ReflectionUtils.GetTypesOfInterface(iTextCoder);
-            _dictTextCoderTypes = toolFormTypes.ToDictionary(t =>
-            {
-                ITextCoder textCoder = System.Runtime.Serialization.FormatterServices.GetUninitializedObject(t) as ITextCoder;
-                return textCoder.Name;
-            });
-
-            return _dictTextCoderTypes;
-        }
-
-        public static string[] GetSupportedCoders()
-        {
-            Dictionary<string, Type> dict = GetDict();
-            return dict.Select(p => p.Key).ToArray();
-        }
-
-        public static ITextCoder CreateFromName(string name)
-        {
-            Dictionary<string, Type> dict = GetDict();
-            if (dict.ContainsKey(name) == false)
-            {
-                throw new NotImplementedException(string.Format("Cant create ITextCoder with this name: {0}", name));
-            }
-            Type textCoder = dict[name];
-            return Activator.CreateInstance(textCoder) as ITextCoder;
-        }
     }
 }
diff --git a/VAR.Toolbox/UI/Tools/FrmCoder.cs b/VAR.Toolbox/UI/Tools/FrmCoder.cs
index 3e90678..85ce1b5 100644
--- a/VAR.Toolbox/UI/Tools/FrmCoder.cs
+++ b/VAR.Toolbox/UI/Tools/FrmCoder.cs
@@ -14,7 +14,7 @@ namespace VAR.Toolbox.UI
         {
             InitializeComponent();
 
-            cboCode.Items.AddRange(TextCoderFactory.GetSupportedCoders());
+            cboCode.Items.AddRange(TextCoderFactory.GetNames());
             cboCode.SelectedIndex = 1;
         }
 
diff --git a/VAR.Toolbox/UI/Tools/FrmProxyCmd.cs b/VAR.Toolbox/UI/Tools/FrmProxyCmd.cs
index f88166f..b68d7ac 100644
--- a/VAR.Toolbox/UI/Tools/FrmProxyCmd.cs
+++ b/VAR.Toolbox/UI/Tools/FrmProxyCmd.cs
@@ -129,6 +129,10 @@ namespace VAR.Toolbox.UI
             if (_proxyCmdExecutor == null)
             {
                 _proxyCmdExecutor = ProxyCmdExecutorFactory.CreateFromConfig(GetCurrentConfig());
+                if (_proxyCmdExecutor == null)
+                {
+                    _proxyCmdExecutor = new ProxyCmdExecutorDummy(string.Empty);
+                }
             }
         }
         private void CleanProxyCmdExecutor()
diff --git a/VAR.Toolbox/VAR.Toolbox.csproj b/VAR.Toolbox/VAR.Toolbox.csproj
index e1e0db1..d3de94c 100644
--- a/VAR.Toolbox/VAR.Toolbox.csproj
+++ b/VAR.Toolbox/VAR.Toolbox.csproj
@@ -73,6 +73,7 @@
     <Compile Include="..\VAR.Json\VAR.Json\ParserContext.cs">
       <Link>Code\Json\ParserContext.cs</Link>
     </Compile>
+    <Compile Include="Code\BaseFactory.cs" />
     <Compile Include="Code\EventDispatcher.cs" />
     <Compile Include="Code\HexUtils.cs" />
     <Compile Include="Code\IEventListener.cs" />