diff --git a/build.gradle b/build.gradle
index d6a368cd..6955b02d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,6 +19,7 @@ plugins {
 
 def multiplatformModules = [
     "orx-camera",
+    "orx-compositor",
     "orx-noise",
     "orx-shader-phrases",
     "orx-parameters",
diff --git a/orx-compositor/build.gradle b/orx-compositor/build.gradle
deleted file mode 100644
index c8ac42e1..00000000
--- a/orx-compositor/build.gradle
+++ /dev/null
@@ -1,22 +0,0 @@
-sourceSets {
-    demo {
-        java {
-            srcDirs = ["src/demo/kotlin"]
-            compileClasspath += main.getCompileClasspath()
-            runtimeClasspath += main.getRuntimeClasspath()
-        }
-    }
-}
-
-dependencies {
-    api project(":orx-parameters")
-    api project(":orx-fx")
-
-    implementation project(":orx-fx")
-
-    demoImplementation("org.openrndr:openrndr-application:$openrndrVersion")
-    demoImplementation("org.openrndr:openrndr-extensions:$openrndrVersion")
-    demoRuntimeOnly("org.openrndr:openrndr-gl3:$openrndrVersion")
-    demoRuntimeOnly("org.openrndr:openrndr-gl3-natives-$openrndrOS:$openrndrVersion")
-    demoImplementation(sourceSets.getByName("main").output)
-}
\ No newline at end of file
diff --git a/orx-compositor/build.gradle.kts b/orx-compositor/build.gradle.kts
new file mode 100644
index 00000000..1afa6690
--- /dev/null
+++ b/orx-compositor/build.gradle.kts
@@ -0,0 +1,98 @@
+import Orx_embed_shaders_gradle.EmbedShadersTask
+
+plugins {
+    kotlin("multiplatform")
+    kotlin("plugin.serialization")
+    id("orx.embed-shaders")
+}
+
+val kotlinxSerializationVersion: String by rootProject.extra
+val kotestVersion: String by rootProject.extra
+val junitJupiterVersion: String by rootProject.extra
+val jvmTarget: String by rootProject.extra
+val kotlinApiVersion: String by rootProject.extra
+val kotlinVersion: String by rootProject.extra
+val kotlinLoggingVersion: String by rootProject.extra
+val kluentVersion: String by rootProject.extra
+val openrndrVersion: String by rootProject.extra
+val openrndrOS: String by rootProject.extra
+val spekVersion: String by rootProject.extra
+
+kotlin {
+    jvm {
+        compilations {
+            val demo by creating {
+                defaultSourceSet {
+                    kotlin.srcDir("src/demo")
+                    dependencies {
+                        implementation(project(":orx-fx"))
+                        implementation(project(":orx-camera"))
+                        implementation("org.openrndr:openrndr-application:$openrndrVersion")
+                        implementation("org.openrndr:openrndr-extensions:$openrndrVersion")
+                        runtimeOnly("org.openrndr:openrndr-gl3:$openrndrVersion")
+                        runtimeOnly("org.openrndr:openrndr-gl3-natives-$openrndrOS:$openrndrVersion")
+                        implementation(compilations["main"]!!.output.allOutputs)
+                    }
+                }
+            }
+        }
+        compilations.all {
+            kotlinOptions.jvmTarget = jvmTarget
+            kotlinOptions.apiVersion = kotlinApiVersion
+        }
+        testRuns["test"].executionTask.configure {
+            useJUnitPlatform()
+        }
+    }
+    js(IR) {
+        browser()
+        nodejs()
+    }
+
+    sourceSets {
+        @Suppress("UNUSED_VARIABLE")
+        val commonMain by getting {
+            dependencies {
+                implementation(project(":orx-fx"))
+                implementation(project(":orx-parameters"))
+                implementation(project(":orx-shader-phrases"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-core:$kotlinxSerializationVersion")
+                implementation("org.openrndr:openrndr-application:$openrndrVersion")
+                implementation("org.openrndr:openrndr-draw:$openrndrVersion")
+                implementation("org.openrndr:openrndr-filter:$openrndrVersion")
+                implementation("org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion")
+                implementation("io.github.microutils:kotlin-logging:$kotlinLoggingVersion")
+            }
+        }
+        @Suppress("UNUSED_VARIABLE")
+        val commonTest by getting {
+            dependencies {
+                implementation(kotlin("test-common"))
+                implementation(kotlin("test-annotations-common"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlinxSerializationVersion")
+                implementation("io.kotest:kotest-assertions-core:$kotestVersion")
+            }
+        }
+
+        @Suppress("UNUSED_VARIABLE")
+        val jvmTest by getting {
+            dependencies {
+                implementation(kotlin("test-common"))
+                implementation(kotlin("test-annotations-common"))
+                implementation(kotlin("test-junit5"))
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlinxSerializationVersion")
+                runtimeOnly("org.junit.jupiter:junit-jupiter-api:$junitJupiterVersion")
+                runtimeOnly("org.junit.jupiter:junit-jupiter-engine:$junitJupiterVersion")
+                implementation("org.spekframework.spek2:spek-dsl-jvm:$spekVersion")
+                implementation("org.amshove.kluent:kluent:$kluentVersion")
+            }
+        }
+
+        @Suppress("UNUSED_VARIABLE")
+        val jsTest by getting {
+            dependencies {
+                implementation(kotlin("test-js"))
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/orx-compositor/src/main/kotlin/Compositor.kt b/orx-compositor/src/commonMain/kotlin/Compositor.kt
similarity index 100%
rename from orx-compositor/src/main/kotlin/Compositor.kt
rename to orx-compositor/src/commonMain/kotlin/Compositor.kt
diff --git a/orx-jvm/orx-rabbit-control/build.gradle b/orx-jvm/orx-rabbit-control/build.gradle
index 3e8402ca..5f359438 100644
--- a/orx-jvm/orx-rabbit-control/build.gradle
+++ b/orx-jvm/orx-rabbit-control/build.gradle
@@ -9,9 +9,10 @@ sourceSets {
 }
 
 dependencies {
-    api project(":orx-parameters")
-    api project(":orx-compositor")
-    api project(":orx-image-fit")
+    implementation project(":orx-parameters")
+    implementation project(":orx-compositor")
+    implementation project(":orx-image-fit")
+    implementation project(":orx-fx")
 
     implementation "cc.rabbitcontrol:rcp:0.3.26"
     implementation "com.google.zxing:core:3.4.0"