diff --git a/Cargo.lock b/Cargo.lock
index bbd9d565..1fceef16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -639,6 +639,15 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "jay-async-engine"
+version = "0.1.0"
+dependencies = [
+ "jay-time",
+ "jay-tracy",
+ "jay-utils",
+]
+
 [[package]]
 name = "jay-cmm"
 version = "0.1.0"
@@ -672,6 +681,7 @@ dependencies = [
  "isnt 0.2.0",
  "jay-algorithms",
  "jay-ash",
+ "jay-async-engine",
  "jay-cmm",
  "jay-config",
  "jay-criteria",
diff --git a/Cargo.toml b/Cargo.toml
index 71b7640f..310e76df 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ members = [
     "cmm",
     "time",
     "tracy",
+    "async-engine",
     "toml-config",
     "algorithms",
     "toml-spec",
@@ -55,6 +56,7 @@ jay-criteria = { version = "0.1.0", path = "criteria" }
 jay-cmm = { version = "0.1.0", path = "cmm" }
 jay-time = { version = "0.1.0", path = "time" }
 jay-tracy = { version = "0.1.0", path = "tracy" }
+jay-async-engine = { version = "0.1.0", path = "async-engine" }
 
 uapi = "0.2.13"
 thiserror = "2.0.11"
@@ -117,5 +119,5 @@ opt-level = 3
 
 [features]
 rc_tracking = []
-it = []
-tracy = ["jay-tracy/tracy"]
+it = ["jay-async-engine/it"]
+tracy = ["jay-tracy/tracy", "jay-async-engine/tracy"]
diff --git a/async-engine/Cargo.toml b/async-engine/Cargo.toml
new file mode 100644
index 00000000..7d7ca019
--- /dev/null
+++ b/async-engine/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "jay-async-engine"
+version = "0.1.0"
+edition = "2024"
+license = "GPL-3.0-only"
+
+[dependencies]
+jay-time = { version = "0.1.0", path = "../time" }
+jay-tracy = { version = "0.1.0", path = "../tracy" }
+jay-utils = { version = "0.1.0", path = "../utils" }
+
+[features]
+it = []
+tracy = ["jay-tracy/tracy"]
diff --git a/src/async_engine/ae_task.rs b/async-engine/src/ae_task.rs
similarity index 96%
rename from src/async_engine/ae_task.rs
rename to async-engine/src/ae_task.rs
index e980c89c..50647187 100644
--- a/src/async_engine/ae_task.rs
+++ b/async-engine/src/ae_task.rs
@@ -1,11 +1,9 @@
 use {
-    crate::{
-        async_engine::{AsyncEngine, Phase},
-        tracy::ZoneName,
-        utils::{
-            numcell::NumCell,
-            ptr_ext::{MutPtrExt, PtrExt},
-        },
+    crate::{AsyncEngine, Phase},
+    jay_tracy::ZoneName,
+    jay_utils::{
+        numcell::NumCell,
+        ptr_ext::{MutPtrExt, PtrExt},
     },
     std::{
         cell::{Cell, UnsafeCell},
@@ -142,7 +140,7 @@ impl AsyncEngine {
             }),
             waker: Cell::new(None),
             queue: self.clone(),
-            zone: create_zone_name!("task:{}", name),
+            zone: jay_tracy::create_zone_name!("task:{}", name),
         });
         unsafe {
             f.schedule_run();
@@ -254,7 +252,7 @@ impl<T, F: Future<Output = T>> Task<T, F> {
 
                 let mut ctx = Context::from_waker(&waker);
                 let poll = {
-                    dynamic_zone!(self.zone);
+                    jay_tracy::dynamic_zone!(self.zone);
                     Pin::new_unchecked(&mut *data.future).poll(&mut ctx)
                 };
                 if let Poll::Ready(d) = poll {
diff --git a/src/async_engine/ae_yield.rs b/async-engine/src/ae_yield.rs
similarity index 93%
rename from src/async_engine/ae_yield.rs
rename to async-engine/src/ae_yield.rs
index 7ada5c81..41c561c5 100644
--- a/src/async_engine/ae_yield.rs
+++ b/async-engine/src/ae_yield.rs
@@ -1,5 +1,5 @@
 use {
-    crate::async_engine::AsyncEngine,
+    crate::AsyncEngine,
     std::{
         future::Future,
         pin::Pin,
diff --git a/async-engine/src/lib.rs b/async-engine/src/lib.rs
new file mode 100644
index 00000000..a67963b0
--- /dev/null
+++ b/async-engine/src/lib.rs
@@ -0,0 +1,168 @@
+mod ae_task;
+mod ae_yield;
+
+pub use {ae_task::SpawnedFuture, ae_yield::Yield};
+use {
+    crate::ae_task::Runnable,
+    jay_time::Time,
+    jay_utils::{array, numcell::NumCell, syncqueue::SyncQueue},
+    std::{
+        cell::{Cell, RefCell},
+        collections::VecDeque,
+        future::Future,
+        rc::Rc,
+        task::Waker,
+    },
+};
+
+#[derive(Copy, Clone, Eq, PartialEq)]
+pub enum Phase {
+    EventHandling,
+    Layout,
+    PostLayout,
+    Present,
+}
+const NUM_PHASES: usize = 4;
+
+pub struct AsyncEngine {
+    num_queued: NumCell<usize>,
+    queues: [SyncQueue<Runnable>; NUM_PHASES],
+    iteration: NumCell<u64>,
+    yields: SyncQueue<Waker>,
+    stash: RefCell<VecDeque<Runnable>>,
+    yield_stash: RefCell<VecDeque<Waker>>,
+    stopped: Cell<bool>,
+    now: Cell<Option<Time>>,
+    #[cfg(feature = "it")]
+    idle: Cell<Option<Waker>>,
+}
+
+impl AsyncEngine {
+    pub fn new() -> Rc<Self> {
+        Rc::new(Self {
+            num_queued: Default::default(),
+            queues: array::from_fn(|_| Default::default()),
+            iteration: Default::default(),
+            yields: Default::default(),
+            stash: Default::default(),
+            yield_stash: Default::default(),
+            stopped: Cell::new(false),
+            now: Default::default(),
+            #[cfg(feature = "it")]
+            idle: Default::default(),
+        })
+    }
+
+    pub fn stop(&self) {
+        self.stopped.set(true);
+    }
+
+    pub fn clear(&self) {
+        self.stash.borrow_mut().clear();
+        self.yield_stash.borrow_mut().clear();
+        self.yields.take();
+        for queue in &self.queues {
+            queue.take();
+        }
+    }
+
+    pub fn spawn<T, F: Future<Output = T> + 'static>(
+        self: &Rc<Self>,
+        name: &str,
+        f: F,
+    ) -> SpawnedFuture<T> {
+        self.spawn_(name, Phase::EventHandling, f)
+    }
+
+    pub fn spawn2<T, F: Future<Output = T> + 'static>(
+        self: &Rc<Self>,
+        name: &str,
+        phase: Phase,
+        f: F,
+    ) -> SpawnedFuture<T> {
+        self.spawn_(name, phase, f)
+    }
+
+    pub fn yield_now(self: &Rc<Self>) -> Yield {
+        Yield {
+            iteration: self.iteration(),
+            queue: self.clone(),
+        }
+    }
+
+    pub fn dispatch(&self) {
+        let mut stash = self.stash.borrow_mut();
+        let mut yield_stash = self.yield_stash.borrow_mut();
+        loop {
+            if self.num_queued.get() == 0 {
+                #[cfg(feature = "it")]
+                if let Some(idle) = self.idle.take() {
+                    idle.wake();
+                    continue;
+                }
+                break;
+            }
+            self.now.take();
+            let mut phase = 0;
+            while phase < NUM_PHASES {
+                self.queues[phase].swap(&mut *stash);
+                if stash.is_empty() {
+                    phase += 1;
+                    continue;
+                }
+                self.num_queued.fetch_sub(stash.len());
+                while let Some(runnable) = stash.pop_front() {
+                    runnable.run();
+                    if self.stopped.get() {
+                        return;
+                    }
+                }
+            }
+            self.iteration.fetch_add(1);
+            self.yields.swap(&mut *yield_stash);
+            while let Some(waker) = yield_stash.pop_front() {
+                waker.wake();
+            }
+        }
+    }
+
+    #[cfg(feature = "it")]
+    pub async fn idle(&self) {
+        use std::{future::poll_fn, task::Poll};
+        let mut register = true;
+        poll_fn(|ctx| {
+            if register {
+                self.idle.set(Some(ctx.waker().clone()));
+                register = false;
+                Poll::Pending
+            } else {
+                Poll::Ready(())
+            }
+        })
+        .await
+    }
+
+    fn push(&self, runnable: Runnable, phase: Phase) {
+        self.queues[phase as usize].push(runnable);
+        self.num_queued.fetch_add(1);
+    }
+
+    fn push_yield(&self, waker: Waker) {
+        self.yields.push(waker);
+    }
+
+    pub fn iteration(&self) -> u64 {
+        self.iteration.get()
+    }
+
+    pub fn now(&self) -> Time {
+        match self.now.get() {
+            Some(t) => t,
+            None => {
+                let now = Time::now_unchecked();
+                self.now.set(Some(now));
+                now
+            }
+        }
+    }
+}
diff --git a/src/async_engine.rs b/src/async_engine.rs
index 80e38c52..740b31b3 100644
--- a/src/async_engine.rs
+++ b/src/async_engine.rs
@@ -1,170 +1 @@
-mod ae_task;
-mod ae_yield;
-
-pub use {crate::async_engine::ae_yield::Yield, ae_task::SpawnedFuture};
-use {
-    crate::{
-        async_engine::ae_task::Runnable,
-        time::Time,
-        utils::{array, numcell::NumCell, syncqueue::SyncQueue},
-    },
-    std::{
-        cell::{Cell, RefCell},
-        collections::VecDeque,
-        future::Future,
-        rc::Rc,
-        task::Waker,
-    },
-};
-
-#[derive(Copy, Clone, Eq, PartialEq)]
-pub enum Phase {
-    EventHandling,
-    Layout,
-    PostLayout,
-    Present,
-}
-const NUM_PHASES: usize = 4;
-
-pub struct AsyncEngine {
-    num_queued: NumCell<usize>,
-    queues: [SyncQueue<Runnable>; NUM_PHASES],
-    iteration: NumCell<u64>,
-    yields: SyncQueue<Waker>,
-    stash: RefCell<VecDeque<Runnable>>,
-    yield_stash: RefCell<VecDeque<Waker>>,
-    stopped: Cell<bool>,
-    now: Cell<Option<Time>>,
-    #[cfg(feature = "it")]
-    idle: Cell<Option<Waker>>,
-}
-
-impl AsyncEngine {
-    pub fn new() -> Rc<Self> {
-        Rc::new(Self {
-            num_queued: Default::default(),
-            queues: array::from_fn(|_| Default::default()),
-            iteration: Default::default(),
-            yields: Default::default(),
-            stash: Default::default(),
-            yield_stash: Default::default(),
-            stopped: Cell::new(false),
-            now: Default::default(),
-            #[cfg(feature = "it")]
-            idle: Default::default(),
-        })
-    }
-
-    pub fn stop(&self) {
-        self.stopped.set(true);
-    }
-
-    pub fn clear(&self) {
-        self.stash.borrow_mut().clear();
-        self.yield_stash.borrow_mut().clear();
-        self.yields.take();
-        for queue in &self.queues {
-            queue.take();
-        }
-    }
-
-    pub fn spawn<T, F: Future<Output = T> + 'static>(
-        self: &Rc<Self>,
-        name: &str,
-        f: F,
-    ) -> SpawnedFuture<T> {
-        self.spawn_(name, Phase::EventHandling, f)
-    }
-
-    pub fn spawn2<T, F: Future<Output = T> + 'static>(
-        self: &Rc<Self>,
-        name: &str,
-        phase: Phase,
-        f: F,
-    ) -> SpawnedFuture<T> {
-        self.spawn_(name, phase, f)
-    }
-
-    pub fn yield_now(self: &Rc<Self>) -> Yield {
-        Yield {
-            iteration: self.iteration(),
-            queue: self.clone(),
-        }
-    }
-
-    pub fn dispatch(&self) {
-        let mut stash = self.stash.borrow_mut();
-        let mut yield_stash = self.yield_stash.borrow_mut();
-        loop {
-            if self.num_queued.get() == 0 {
-                #[cfg(feature = "it")]
-                if let Some(idle) = self.idle.take() {
-                    idle.wake();
-                    continue;
-                }
-                break;
-            }
-            self.now.take();
-            let mut phase = 0;
-            while phase < NUM_PHASES {
-                self.queues[phase].swap(&mut *stash);
-                if stash.is_empty() {
-                    phase += 1;
-                    continue;
-                }
-                self.num_queued.fetch_sub(stash.len());
-                while let Some(runnable) = stash.pop_front() {
-                    runnable.run();
-                    if self.stopped.get() {
-                        return;
-                    }
-                }
-            }
-            self.iteration.fetch_add(1);
-            self.yields.swap(&mut *yield_stash);
-            while let Some(waker) = yield_stash.pop_front() {
-                waker.wake();
-            }
-        }
-    }
-
-    #[cfg(feature = "it")]
-    pub async fn idle(&self) {
-        use std::{future::poll_fn, task::Poll};
-        let mut register = true;
-        poll_fn(|ctx| {
-            if register {
-                self.idle.set(Some(ctx.waker().clone()));
-                register = false;
-                Poll::Pending
-            } else {
-                Poll::Ready(())
-            }
-        })
-        .await
-    }
-
-    fn push(&self, runnable: Runnable, phase: Phase) {
-        self.queues[phase as usize].push(runnable);
-        self.num_queued.fetch_add(1);
-    }
-
-    fn push_yield(&self, waker: Waker) {
-        self.yields.push(waker);
-    }
-
-    pub fn iteration(&self) -> u64 {
-        self.iteration.get()
-    }
-
-    pub fn now(&self) -> Time {
-        match self.now.get() {
-            Some(t) => t,
-            None => {
-                let now = Time::now_unchecked();
-                self.now.set(Some(now));
-                now
-            }
-        }
-    }
-}
+pub use jay_async_engine::*;