diff --git a/mist-test/src/core/app.mist b/mist-test/src/core/app.mist
new file mode 100644
index 0000000..ba1d4ea
--- /dev/null
+++ b/mist-test/src/core/app.mist
@@ -0,0 +1,90 @@
+use <collections::list>;
+
+    list::List<task::Task> tasks;
+    list::List<String> plugins;
+
+    logger::Logger logger;
+
+    bool running;
+    i32 ticks;
+
+    public constructor(String name) {
+        self.name = name;
+
+        self.tasks = new list::List<task::Task>();
+        self.plugins = new list::List<String>();
+
+        self.logger = new logger::Logger("app");
+
+        self.running = false;
+        self.ticks = 0;
+    }
+
+    public void boot(self mut*) {
+        self.logger.info("booting application");
+
+        self.running = true;
+
+        self.emit(event::Event::Startup);
+    }
+
+    public void run(self mut*) {
+        while(self.running) {
+            self.tick();
+
+            if(self.ticks >= 5) {
+                self.shutdown();
+            }
+        }
+    }
+
+    void tick(self mut*) {
+        self.logger.info("tick");
+
+        self.ticks = self.ticks + 1;
+
+        var task = task::create_task("background-job");
+
+        self.tasks.push(task);
+
+        println!("tasks: {}", self.tasks.len());
+    }
+
+    public void shutdown(self mut*) {
+        self.emit(event::Event::Shutdown);
+
+        self.logger.warning("shutdown");
+
+        self.running = false;
+    }
+
+    public void register_plugin(self mut*, String name) {
+        self.plugins.push(name);
+
+        self.emit(event::Event::PluginLoaded(name));
+    }
+
+    void emit(self*, event::Event event) {
+        match(event) {
+            event::Event::Startup => {
+                self.logger.info("startup event");
+            }
+
+            event::Event::Shutdown => {
+                self.logger.info("shutdown event");
+            }
+
+            event::Event::PluginLoaded(name) => {
+                println!("plugin loaded: {}", name);
+            }
+
+            event::Event::TaskExecuted(name) => {
+                println!("task executed: {}", name);
+            }
+
+            event::Event::Error(message) => {
+                self.logger.error(message);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/mist-test/src/core/event.mist b/mist-test/src/core/event.mist
new file mode 100644
index 0000000..2c5cdb2
--- /dev/null
+++ b/mist-test/src/core/event.mist
@@ -0,0 +1,7 @@
+public enum Event {
+    Startup,
+    Shutdown,
+    TaskExecuted(String),
+    PluginLoaded(String),
+    Error(String),
+}
\ No newline at end of file
diff --git a/mist-test/src/core/logger.mist b/mist-test/src/core/logger.mist
new file mode 100644
index 0000000..340923e
--- /dev/null
+++ b/mist-test/src/core/logger.mist
@@ -0,0 +1,41 @@
+public enum LogLevel {
+    Info,
+    Warning,
+    Error,
+}
+
+public class Logger {
+    String prefix;
+
+    public constructor(String prefix) {
+        self.prefix = prefix;
+    }
+
+    public void info(self*, String message) {
+        self.log(LogLevel::Info, message);
+    }
+
+    public void warning(self*, String message) {
+        self.log(LogLevel::Warning, message);
+    }
+
+    public void error(self*, String message) {
+        self.log(LogLevel::Error, message);
+    }
+
+    void log(self*, LogLevel level, String message) {
+        match(level) {
+            LogLevel::Info => {
+                println!("[INFO] {} {}", self.prefix, message);
+            }
+
+            LogLevel::Warning => {
+                println!("[WARN] {} {}", self.prefix, message);
+            }
+
+            LogLevel::Error => {
+                println!("[ERROR] {} {}", self.prefix, message);
+            }
+        }
+    }
+}
diff --git a/mist-test/src/core/mod.mist b/mist-test/src/core/mod.mist
new file mode 100644
index 0000000..9de044b
--- /dev/null
+++ b/mist-test/src/core/mod.mist
@@ -0,0 +1,5 @@
+mod app;
+mod task;
+mod plugin;
+mod logger;
+mod event;
\ No newline at end of file
diff --git a/mist-test/src/core/plugin.mist b/mist-test/src/core/plugin.mist
new file mode 100644
index 0000000..9a706f0
--- /dev/null
+++ b/mist-test/src/core/plugin.mist
@@ -0,0 +1,16 @@
+public struct PluginInfo {
+    public String name,
+    public String version,
+}
+
+public class PluginRegistry<T> {
+    T plugins;
+
+    public constructor(T plugins) {
+        self.plugins = plugins;
+    }
+
+    public T plugins(self) {
+        return self.plugins;
+    }
+}
\ No newline at end of file
diff --git a/mist-test/src/core/task.mist b/mist-test/src/core/task.mist
new file mode 100644
index 0000000..d507015
--- /dev/null
+++ b/mist-test/src/core/task.mist
@@ -0,0 +1,20 @@
+public enum TaskState {
+    Pending,
+    Running,
+    Finished,
+    Failed,
+}
+
+public struct Task {
+    public String name,
+    public TaskState state,
+    public i32 executions,
+}
+
+public Task create_task(String name) {
+    return Task {
+        name: name,
+        state: TaskState::Pending,
+        executions: 0,
+    };
+}
\ No newline at end of file
diff --git a/mist-test/src/main.mist b/mist-test/src/main.mist
index 602dd59..a9a8190 100644
--- a/mist-test/src/main.mist
+++ b/mist-test/src/main.mist
@@ -1,18 +1,17 @@
-mod my_class;
-use <my_class::MyClass>;
-use <my_class::MyEnum>;
+mod core;
 
-void main() {
-    var my_class = new MyClass("World");
-    my_class.greet();
+use <core::app>;
+use <plugins::greeting>;
+use <plugins::statistics>;
 
-    match (MyEnum::Tuple(10, String::new())) {
-        MyEnum::Tuple(i, _) => {
-            println!("{i}");
-        }
-        MyEnum::Named => {
+i32 main() {
+    var app = new app::Application("mist-app");
 
-        }
-        _ => {}
-    }
-}
+    greeting::register(&mut app);
+    statistics::register(&mut app);
+
+    app.boot();
+    app.run();
+
+    return 0;
+}
\ No newline at end of file