diff --git a/ExampleApps.nix b/ExampleApps.nix
index ec22ca0..e34b634 100644
--- a/ExampleApps.nix
+++ b/ExampleApps.nix
@@ -57,6 +57,7 @@
             -DWINDOW_GLFW \
             -DGUIMODULE \
             -DTESTIMGUI_STATIC \
+            -DWINDOWMODULE_STATIC \
             -I src -I include -I $imgui -I . \
             -lGL -lglfw -lGLEW \
             -Wall \
diff --git a/ExampleModules.nix b/ExampleModules.nix
index 244d86a..347aa39 100644
--- a/ExampleModules.nix
+++ b/ExampleModules.nix
@@ -126,13 +126,16 @@
             buildPhase = ''
                 clang++ \
                 modules/examples/GuiModules/TestImgui/src/*.cpp \
+                modules/WindowModule/src/*.cpp \
                 $imgui/backends/imgui_impl_glfw.cpp \
                 $imgui/backends/imgui_impl_opengl3.cpp \
                 $imgui/*.cpp \
                 -DRENDERER_OPENGL \
                 -DWINDOW_GLFW \
+                -DGUIMODULE \
+                -DWINDOWMODULE_STATIC \
                 -fpic -shared \
-                -I src -I include -I $imgui \
+                -I src -I include -I $imgui -I . \
                 -lGL -lglfw -lGLEW \
                 -Wall \
                 -o $name 
diff --git a/flake.nix b/flake.nix
index 492a9ef..c93639f 100755
--- a/flake.nix
+++ b/flake.nix
@@ -42,7 +42,7 @@
 
                 buildPhase = ''
                     clang++ \
-                    modules/Window/src/*.cpp \
+                    modules/WindowModule/src/*.cpp \
                     -fpic -shared \
                     -I src -I include \
                     -DRENDERER_OPENGL \
diff --git a/include/pch.hpp b/include/pch.hpp
index 9894e41..97d7ef4 100644
--- a/include/pch.hpp
+++ b/include/pch.hpp
@@ -7,8 +7,9 @@
 #include <array>
 #include <vector>
 #include <variant>
+#include <any>
 #include <unordered_map>
-
+#include <functional>
 #include <optional>
 //#include <chrono>
 //#include <thread>
diff --git a/include/utils/App/App.h b/include/utils/App/App.h
index 811c0b4..8039f06 100644
--- a/include/utils/App/App.h
+++ b/include/utils/App/App.h
@@ -49,7 +49,9 @@ namespace Archimedes {
             
             bool done = false;
 
-            std::list<Module*> modules;
+            std::unordered_map<std::string, Module*> modules;
+            std::list<std::string> runOrder;
+
             std::list<Module*> toClose;
             std::list<std::string> toOpen;
 
@@ -73,53 +75,47 @@ namespace Archimedes {
                 return create(h, Get());
             }
 
-            virtual std::list<Module*>::iterator load(std::string modulePath, std::list<std::string> blacklist = {}) {
+            virtual Module* load(std::string modulePath, std::list<std::string>::iterator ins) {
                 Module* m = dynamicLoad(modulePath);
-                return load(m, blacklist);
+                return load(m, ins);
             }
             
-            virtual std::list<Module*>::iterator load(Module* m, std::list<std::string> blacklist = {}) {
+            virtual Module* load(Module* m, std::list<std::string>::iterator ins) {
 
                 if(!m) {
-                    return modules.end();
+                    return nullptr;
                 }
 
                 void* h = m->getHandle();
-                for(auto it = blacklist.begin(); it != blacklist.end(); it++) {
+                for(auto it = runOrder.begin(); it != runOrder.end(); it++) {
                     if(*it == m->getName()) {
                         std::cout << "Module \"" << *it << "\" is already loaded!\n";
                         delete m;
                         if(h)
                             dlclose(h);
-                        return modules.end();
+                        return nullptr;
                     }
                 }
 
-                blacklist.push_back(m->getName());
-
                 bool skip = false;
-                for(auto it = m->deps.begin(); it != m->deps.end(); it++) {
-                    for(std::string s : blacklist) {
-                        if(it->first == s)
-                            skip = true;
+                for(auto it = runOrder.begin(); it != runOrder.end(); it++) {
+
+                    if(m->deps.find(*it) != m->deps.end()) {
+                        skip = true;
+                        m->depsInstances[*it] = modules[*it];
                     }
                     if(skip) {
                         skip = false;
                         continue;
                     } else {
-                        if(std::holds_alternative<std::string>(it->second))
-                            m->depsInstances[it->first] = load(std::get<std::string>(it->second), blacklist);
+                        if(std::holds_alternative<std::string>(m->deps[*it]))
+                            m->depsInstances[*it] = load(std::get<std::string>(m->deps[*it]), ins);
                         else
-                            m->depsInstances[it->first] = load(std::get<Module*>(it->second), blacklist);
+                            m->depsInstances[*it] = load(std::get<Module*>(m->deps[*it]), ins);
                     }
                 }
 
-
-                modules.push_back(m);
-                m->setSelf(--modules.end());
-                modules.end()++;
-
-                return m->self;
+                return m;
             }
 
             virtual void unload(std::list<Module*>::iterator it) {
@@ -135,13 +131,6 @@ namespace Archimedes {
 
             virtual void printHelp() = 0;
 
-            std::list<std::string> getBlacklist() {
-                std::list<std::string> l;
-                for(Module* m : modules)
-                    l.push_back(m->getName());
-                return l;
-            }
-
     };
 
 }
diff --git a/include/utils/GuiModule/GuiModule.h b/include/utils/GuiModule/GuiModule.h
index 3b7efb8..71ba8a7 100644
--- a/include/utils/GuiModule/GuiModule.h
+++ b/include/utils/GuiModule/GuiModule.h
@@ -3,7 +3,9 @@
 
 #include "utils/Module/Module.h"
 
+#ifndef WINDOWMODULE_STATIC
 #define WINDOWMODULE_STATIC
+#endif
 #include "modules/WindowModule/src/WindowModule.h"
 
 namespace Archimedes {
@@ -14,15 +16,15 @@ namespace Archimedes {
             typedef GuiModule* create_t(void*, App*);
 
             GuiModule(void* h, App* a) : Module(h, a) {
-                windowModule = new WindowModule(nullptr, a);
-                deps["WindowModule"] = windowModule;
+                //wm = new WindowModule(nullptr, a);
+                deps["WindowModule"] = new WindowModule(nullptr, a);
             }
             virtual ~GuiModule() {}
             virtual void onLoad() = 0;
             virtual void run() = 0;
 
         protected:
-            WindowModule* windowModule;
+            //WindowModule* wm;
     };
 }
 
diff --git a/include/utils/Module/Module.h b/include/utils/Module/Module.h
index 5360f50..a41f130 100644
--- a/include/utils/Module/Module.h
+++ b/include/utils/Module/Module.h
@@ -25,17 +25,18 @@ namespace Archimedes {
         std::string getName() const { return name; }
         void* getHandle() { return handle; }
 
-        void setSelf(std::list<Module*>::iterator s) { self = s; }
+        std::any getData(std::string s) { return data[s.c_str()]; };
 
         protected:
         std::string name;
         void* handle;
-        std::list<Module*>::iterator self;
 
         App* app;
 
         std::unordered_map<std::string, std::variant<std::string, Module*>> deps;
-        std::unordered_map<std::string, std::list<Module*>::iterator> depsInstances;
+        std::unordered_map<std::string, Module*> depsInstances;
+        
+        std::unordered_map<std::string, std::any> data;
     };
 }
 
diff --git a/include/utils/Renderer/Renderer.h b/include/utils/Renderer/Renderer.h
index d8e3716..610915e 100644
--- a/include/utils/Renderer/Renderer.h
+++ b/include/utils/Renderer/Renderer.h
@@ -13,21 +13,14 @@ namespace Archimedes {
 
             ~Renderer() {}
 
-            void init() { r.init(); }
+            bool init() { return r.init(); }
 
             void render() {
                 r.render(rc, w, h);
             }
 
-            std::list<renderCmd*>::iterator addRenderCmd(renderCmd* cmd) {
-                
-                auto it = rc.end();
-                rc.push_back(cmd);
-                return it;
-            }
-
-            void removeRenderCmd(std::list<renderCmd*>::iterator cmd) {
-                rc.erase(cmd);
+            std::list<renderCmd*>& getCmdList() {
+                return rc;
             }
 
         private:
diff --git a/include/utils/Renderer/RendererOpenGL/RendererOpenGL.h b/include/utils/Renderer/RendererOpenGL/RendererOpenGL.h
index 0812722..d8ac059 100644
--- a/include/utils/Renderer/RendererOpenGL/RendererOpenGL.h
+++ b/include/utils/Renderer/RendererOpenGL/RendererOpenGL.h
@@ -17,7 +17,9 @@ namespace Archimedes {
             RendererOpenGL() {};
             ~RendererOpenGL() {};
 
-            void init() { glewInit(); };
+            bool init() { 
+                return glewInit() == GLEW_OK;
+            };
 
             void render(std::list<renderCmd*> cmdList, int& w, int& h) {
 
diff --git a/include/utils/Window/Window.h b/include/utils/Window/Window.h
index 91f9e50..1e51a18 100644
--- a/include/utils/Window/Window.h
+++ b/include/utils/Window/Window.h
@@ -11,7 +11,9 @@ namespace Archimedes {
 
         public:
 
-            ~Window() {};
+            Window() { renderer = new Renderer(); }
+
+            ~Window() { delete renderer; }
 
             bool shouldClose() { return window.shouldClose(); }
 
@@ -27,7 +29,7 @@ namespace Archimedes {
             }
 
             Renderer* getRenderer() { return renderer; }
-            void setRenderer(Renderer* r) { renderer = r; }
+            //void setRenderer(Renderer* r) { renderer = r; }
 
             WindowImpl& getWindowImpl() { return window; }
 
diff --git a/include/utils/Window/WindowGLFW/WindowGLFW.h b/include/utils/Window/WindowGLFW/WindowGLFW.h
index e6c92a4..d54c75f 100644
--- a/include/utils/Window/WindowGLFW/WindowGLFW.h
+++ b/include/utils/Window/WindowGLFW/WindowGLFW.h
@@ -31,6 +31,7 @@ namespace Archimedes {
                 std::cout << "Window Created!\n";
                 glfwMakeContextCurrent(w);
                 glfwSwapInterval(1);
+
             }
 
             ~WindowGLFW() {
diff --git a/modules/WindowModule/src/WindowModule.cpp b/modules/WindowModule/src/WindowModule.cpp
index 23b6d52..48e4b20 100644
--- a/modules/WindowModule/src/WindowModule.cpp
+++ b/modules/WindowModule/src/WindowModule.cpp
@@ -1,9 +1,5 @@
 #include "WindowModule.h"
 
-WindowModule::WindowModule(void* h, Archimedes::App* a) : Module(h, a) { 
-    name = "Window"; 
-}
-
 WindowModule::~WindowModule() {
     if(window)
         delete window;
@@ -14,11 +10,21 @@ WindowModule::~WindowModule() {
 void WindowModule::onLoad() {
 
     window = new Archimedes::Window();
-    renderer = new Archimedes::Renderer();
+    //renderer = new Archimedes::Renderer();
 
-    window->setRenderer(renderer);
+    //window->setRenderer(renderer);
+    
+    renderer = window->getRenderer();
 
-    renderer->init();
+    if(!renderer->init()) {
+        std::cout << "Renderer init failed!\n";
+        std::abort();
+    }
+
+    data["window"] = window->getWindowImpl().getWindow();
+    data["renderCmdList"] = &renderer->getCmdList();
+
+    std::cout << "WindowModule GLFWwindow*: " << std::any_cast<decltype(window->getWindowImpl().getWindow())>(data["window"]) << std::endl;
 }
 
 void WindowModule::run() {
diff --git a/modules/WindowModule/src/WindowModule.h b/modules/WindowModule/src/WindowModule.h
index 0659c31..fd2568f 100644
--- a/modules/WindowModule/src/WindowModule.h
+++ b/modules/WindowModule/src/WindowModule.h
@@ -1,36 +1,37 @@
 #ifndef WINDOWMODULE_H
 #define WINDOWMODULE_H
 
+#ifdef GUIMODULE
+#undef GUIMODULE
 #include "Archimedes.h"
+#define GUIMODULE
+#else
+#include "Archimedes.h"
+#endif
+
 #include "utils/Window/Window.h"
 #include "utils/Renderer/Renderer.h"
 
 class WindowModule : public Archimedes::Module {
 
     public:
-        WindowModule(void*, Archimedes::App*);
+        WindowModule(void* h, Archimedes::App* a) : Archimedes::Module(h, a) {
+            name = "WindowModule";
+        }
+
 
         ~WindowModule();
 
         void run();
 
         void onLoad();
-
+        
         //interface for other modules
-        std::list<Archimedes::Renderer::renderCmd*>::iterator addRenderCmd(Archimedes::Renderer::renderCmd* cmd) {
-            return renderer->addRenderCmd(cmd);
-        }
-
-        void removeRenderCmd(std::list<Archimedes::Renderer::renderCmd*>::iterator cmd) {
-            renderer->removeRenderCmd(cmd);
-        }
-
-        auto getWindowImpl() { return window->getWindowImpl(); }
-
-    private:
 
         Archimedes::Window* window;
         Archimedes::Renderer* renderer;
+    private:
+
 };
 
 
diff --git a/modules/examples/GuiModules/TestImgui/src/TestImgui.cpp b/modules/examples/GuiModules/TestImgui/src/TestImgui.cpp
index 25eae56..c4b89b7 100644
--- a/modules/examples/GuiModules/TestImgui/src/TestImgui.cpp
+++ b/modules/examples/GuiModules/TestImgui/src/TestImgui.cpp
@@ -12,14 +12,24 @@ TestImgui::TestImgui(void* h, Archimedes::App* a) : Archimedes::GuiModule(h, a)
 }
 
 TestImgui::~TestImgui() {
-    windowModule->removeRenderCmd(rcmd);
+    
+   std::list<Archimedes::Renderer::renderCmd*>* cmdList = 
+       std::any_cast<std::list<Archimedes::Renderer::renderCmd*>*>(depsInstances["WindowModule"]->getData("renderCmdList"));
+    cmdList->erase(rcmd);
     ImGui_ImplOpenGL3_Shutdown();
     ImGui_ImplGlfw_Shutdown();
     ImGui::DestroyContext();
 }
 
 void TestImgui::onLoad() {
-    
+
+    Archimedes::Module* wm = depsInstances["WindowModule"];
+
+    if(!wm) {
+        std::cout << "No WindowModule for TestImgui!\n";
+        std::abort();
+    }
+
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
     ImGuiIO& io = ImGui::GetIO(); (void)io;
@@ -27,26 +37,45 @@ void TestImgui::onLoad() {
     io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
 
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;         // Enable Docking
-    //io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;       // Enable Multi-Viewport / Platform Windows
+                                                              //io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;       // Enable Multi-Viewport / Platform Windows
 
-    // Setup Dear ImGui style
+                                                              // Setup Dear ImGui style
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 
+    std::cout << "init backends\n";
     // Setup Platform/Renderer backends
-    ImGui_ImplGlfw_InitForOpenGL(windowModule->getWindowImpl().getWindow(), true);
-    ImGui_ImplOpenGL3_Init("#version 330");
- 
-    rcmd = windowModule->addRenderCmd([](){
-        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+    std::cout << wm->getName() << std::endl;
+    GLFWwindow* w = std::any_cast<GLFWwindow*>(wm->getData("window"));
 
-        /*if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
-        {
-            ImGui::UpdatePlatformWindows();
-            ImGui::RenderPlatformWindowsDefault();
-        }*/
-    });
+    std::cout << "TestImgui GLFWwindow*: " << w << std::endl;
+    
+    if(!ImGui_ImplGlfw_InitForOpenGL(w, true))
+        std::cout << "GLFWImpl failed\n";
+    if(!ImGui_ImplOpenGL3_Init("#version 330")) {
+        std::cout << "ImGui_ImplOpenGL3_Init failed!\n" << std::endl;
+    }
 
+    std::cout << "register renderCmd\n";
+
+
+
+    std::list<Archimedes::Renderer::renderCmd*>* cmdList = 
+        std::any_cast<std::list<Archimedes::Renderer::renderCmd*>*>(wm->getData("renderCmdList"));
+
+    cmdList->push_back([](){
+            ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+            });
+
+    rcmd = --cmdList->end();
+    cmdList->end()++;
+    
+    //Compute first frame ahead of first WindowModule->run()
+    ImGui_ImplOpenGL3_NewFrame();
+    ImGui_ImplGlfw_NewFrame();
+    ImGui::NewFrame();
+    
+    ImGui::Render();
 }
 
 void TestImgui::run() {
@@ -60,5 +89,4 @@ void TestImgui::run() {
         app->end();
 
     ImGui::Render();
-
 }
diff --git a/modules/examples/GuiModules/TestImgui/src/TestImgui.h b/modules/examples/GuiModules/TestImgui/src/TestImgui.h
index 028f618..a40273a 100644
--- a/modules/examples/GuiModules/TestImgui/src/TestImgui.h
+++ b/modules/examples/GuiModules/TestImgui/src/TestImgui.h
@@ -4,6 +4,7 @@
 
 #include "Archimedes.h"
 
+#include "utils/Window/Window.h"
 
 class TestImgui : public Archimedes::GuiModule {
 
@@ -16,9 +17,12 @@ class TestImgui : public Archimedes::GuiModule {
 
         void run();
 
+
     private:
         bool demo = true;
         std::list<Archimedes::Renderer::renderCmd*>::iterator rcmd;
+
+        Archimedes::Window* window;
 };
 
 #ifndef TESTIMGUI_STATIC
diff --git a/src/example_apps/ImguiEmbed/ImguiEmbed.cpp b/src/example_apps/ImguiEmbed/ImguiEmbed.cpp
index 3a8baff..003b646 100644
--- a/src/example_apps/ImguiEmbed/ImguiEmbed.cpp
+++ b/src/example_apps/ImguiEmbed/ImguiEmbed.cpp
@@ -2,14 +2,19 @@
 
 void ImguiEmbed::run() {
 
-    for(auto* m : modules)
-        m->onLoad();
+    for(auto* m : modules) {
+        std::cout << "Loading Module: " << m->getName() << std::endl;
+        //if(m->getName() != "WindowModule") 
+            m->onLoad();
+    }
 
     // Main loop
     while (!done && !modules.empty()) {
 
         for(auto* m : modules) {
-            m->run();
+            //std::cout << "Running Module: " << m->getName() << std::endl;
+            //if(m->getName() != "WindowModule") 
+                m->run();
         }
 
         for(auto it = toClose.begin(); it != toClose.end(); it++) {
@@ -18,7 +23,7 @@ void ImguiEmbed::run() {
         toClose.clear();
 
         for(std::string s : toOpen) {
-            load(s, getBlacklist());
+            load(s, modules.begin());
         }
         toOpen.clear();
     }
diff --git a/src/example_apps/MinimalApp/MinimalApp.cpp b/src/example_apps/MinimalApp/MinimalApp.cpp
index ad3d314..092f94c 100644
--- a/src/example_apps/MinimalApp/MinimalApp.cpp
+++ b/src/example_apps/MinimalApp/MinimalApp.cpp
@@ -18,7 +18,7 @@ void MinimalApp::run() {
         toClose.clear();
 
         for(std::string s : toOpen) {
-            load(s, getBlacklist());
+            load(s, modules.begin());
         }
         toOpen.clear();
     }
diff --git a/src/example_apps/MinimalApp/MinimalApp.h b/src/example_apps/MinimalApp/MinimalApp.h
index 9e07aed..316e04d 100644
--- a/src/example_apps/MinimalApp/MinimalApp.h
+++ b/src/example_apps/MinimalApp/MinimalApp.h
@@ -14,7 +14,7 @@ class MinimalApp : public Archimedes::App {
         void handleArgs(const int& argc, char* argv[]) {
             if(argc > 1) {
                 for(int i = 1; i < argc; i++)
-                    load(dynamicLoad(argv[i]), getBlacklist());
+                    load(dynamicLoad(argv[i]), modules.begin());
             } else {
                 std::cout << "No modules to load\n";
                 end();