diff --git a/devtools/src/lib.rs b/devtools/src/lib.rs
index 9a9123fb..d7d7e074 100644
--- a/devtools/src/lib.rs
+++ b/devtools/src/lib.rs
@@ -165,7 +165,7 @@ impl<P> DevTools<P>
 where
     P: Program + 'static,
 {
-    fn new(state: P::State) -> (Self, Task<Message>) {
+    pub fn new(state: P::State) -> (Self, Task<Message>) {
         (
             Self {
                 state,
@@ -181,11 +181,11 @@ where
         )
     }
 
-    fn title(&self, program: &P, window: window::Id) -> String {
+    pub fn title(&self, program: &P, window: window::Id) -> String {
         program.title(&self.state, window)
     }
 
-    fn update(&mut self, program: &P, event: Event<P>) -> Task<Event<P>> {
+    pub fn update(&mut self, program: &P, event: Event<P>) -> Task<Event<P>> {
         match event {
             Event::Message(message) => match message {
                 Message::HideNotification => {
@@ -339,7 +339,7 @@ where
         }
     }
 
-    fn view(
+    pub fn view(
         &self,
         program: &P,
         window: window::Id,
@@ -434,7 +434,7 @@ where
         .into()
     }
 
-    fn subscription(&self, program: &P) -> Subscription<Event<P>> {
+    pub fn subscription(&self, program: &P) -> Subscription<Event<P>> {
         let subscription = match &self.mode {
             Mode::Open { tester } if !tester.is_idle() => {
                 tester.subscription(program).map(Event::Tester)
@@ -471,15 +471,15 @@ where
         Subscription::batch([subscription, hotkeys, commands])
     }
 
-    fn theme(&self, program: &P, window: window::Id) -> P::Theme {
+    pub fn theme(&self, program: &P, window: window::Id) -> P::Theme {
         program.theme(self.state(), window)
     }
 
-    fn style(&self, program: &P, theme: &P::Theme) -> theme::Style {
+    pub fn style(&self, program: &P, theme: &P::Theme) -> theme::Style {
         program.style(self.state(), theme)
     }
 
-    fn scale_factor(&self, program: &P, window: window::Id) -> f64 {
+    pub fn scale_factor(&self, program: &P, window: window::Id) -> f64 {
         if let Mode::Open { .. } = &self.mode {
             1.0
         } else {
@@ -487,7 +487,7 @@ where
         }
     }
 
-    fn state(&self) -> &P::State {
+    pub fn state(&self) -> &P::State {
         self.time_machine.state().unwrap_or(&self.state)
     }
 }