diff --git a/api/src/test/java/module-info.java b/api/src/test/java/module-info.java
index 401865d7..4820ba2b 100644
--- a/api/src/test/java/module-info.java
+++ b/api/src/test/java/module-info.java
@@ -3,6 +3,5 @@ module io.xpipe.api.test {
 
     requires io.xpipe.api;
     requires io.xpipe.beacon;
-    requires io.xpipe.app;
     requires org.junit.jupiter.api;
 }
\ No newline at end of file
diff --git a/extension/build.gradle b/extension/build.gradle
new file mode 100644
index 00000000..309c231a
--- /dev/null
+++ b/extension/build.gradle
@@ -0,0 +1,20 @@
+plugins {
+    id 'java'
+    id "org.moditect.gradleplugin" version "1.0.0-rc3"
+}
+
+java {
+    modularity.inferModulePath = true
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+apply from: "$rootDir/deps/javafx.gradle"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation project(':core')
+}
diff --git a/extension/src/main/java/io/xpipe/extension/DataSourceGuiProvider.java b/extension/src/main/java/io/xpipe/extension/DataSourceGuiProvider.java
new file mode 100644
index 00000000..46428087
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/DataSourceGuiProvider.java
@@ -0,0 +1,36 @@
+package io.xpipe.extension;
+
+import io.xpipe.core.source.DataSource;
+import io.xpipe.core.store.DataStore;
+import javafx.beans.property.Property;
+import javafx.scene.image.Image;
+import javafx.scene.layout.Region;
+
+import java.nio.file.Path;
+import java.util.Map;
+import java.util.function.Supplier;
+
+public interface DataSourceGuiProvider {
+
+    default boolean isHidden() {
+        return false;
+    }
+
+    boolean supportsFile(Path file);
+
+    Region createConfigOptions(DataStore input, Property<? extends DataSource<?>> source);
+
+    DataSource<?> createDefaultDataSource(DataStore input);
+
+    String getDisplayName();
+
+    Image getImage();
+
+    Supplier<String> getFileName();
+
+    Map<Supplier<String>, String> getFileExtensions();
+
+    String getDataSourceDescription(DataSource<?> source);
+
+    Class<? extends DataSource<?>> getType();
+}
diff --git a/extension/src/main/java/io/xpipe/extension/DataSourceGuiProviders.java b/extension/src/main/java/io/xpipe/extension/DataSourceGuiProviders.java
new file mode 100644
index 00000000..9b5cd37c
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/DataSourceGuiProviders.java
@@ -0,0 +1,34 @@
+package io.xpipe.extension;
+
+import java.util.HashSet;
+import java.util.Optional;
+import java.util.ServiceLoader;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class DataSourceGuiProviders {
+
+    private static Set<DataSourceGuiProvider> ALL;
+
+    public static void loadAll(ModuleLayer layer) {
+        if (ALL == null) {
+            ALL = new HashSet<>();
+            ALL.addAll(ServiceLoader.load(layer, DataSourceGuiProvider.class).stream()
+                    .map(ServiceLoader.Provider::get).collect(Collectors.toSet()));
+        }
+    }
+
+    public static Optional<DataSourceGuiProvider> byClass(Class<?> clazz) {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+        return ALL.stream().filter(d -> d.getType().equals(clazz)).findAny();
+    }
+
+    public static Set<DataSourceGuiProvider> getAll() {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+        return ALL;
+    }
+}
diff --git a/extension/src/main/java/io/xpipe/extension/DataSourceProvider.java b/extension/src/main/java/io/xpipe/extension/DataSourceProvider.java
new file mode 100644
index 00000000..ddb2a301
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/DataSourceProvider.java
@@ -0,0 +1,10 @@
+package io.xpipe.extension;
+
+import io.xpipe.core.source.DataSource;
+
+public interface DataSourceProvider {
+
+    String getId();
+
+    Class<? extends DataSource> getType();
+}
diff --git a/extension/src/main/java/io/xpipe/extension/DataSourceProviders.java b/extension/src/main/java/io/xpipe/extension/DataSourceProviders.java
new file mode 100644
index 00000000..9546bc58
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/DataSourceProviders.java
@@ -0,0 +1,40 @@
+package io.xpipe.extension;
+
+import io.xpipe.core.source.DataSource;
+
+import java.util.Optional;
+import java.util.ServiceLoader;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class DataSourceProviders {
+
+    private static Set<DataSourceProvider> ALL;
+
+    public static void init(ModuleLayer layer) {
+        if (ALL == null) {
+            ALL = ServiceLoader.load(layer, DataSourceProvider.class).stream()
+                    .map(ServiceLoader.Provider::get).collect(Collectors.toSet());
+        }
+    }
+
+    public static Optional<DataSourceProvider> byDataSourceClass(Class<?> clazz) {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+
+        return ALL.stream().filter(d -> d.getType().equals(clazz)).findAny();
+    }
+
+    public static Optional<DataSourceProvider> byId(String name) {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+
+        return ALL.stream().filter(d -> d.getId().equals(name)).findAny();
+    }
+
+    public static Set<DataSourceProvider> getAll() {
+        return ALL;
+    }
+}
diff --git a/extension/src/main/java/io/xpipe/extension/SupportedApplicationProvider.java b/extension/src/main/java/io/xpipe/extension/SupportedApplicationProvider.java
new file mode 100644
index 00000000..3bc5b27f
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/SupportedApplicationProvider.java
@@ -0,0 +1,17 @@
+package io.xpipe.extension;
+
+import io.xpipe.core.source.DataSourceId;
+import javafx.beans.value.ObservableValue;
+import javafx.scene.image.Image;
+import javafx.scene.layout.Region;
+
+public interface SupportedApplicationProvider {
+
+    Region createRetrieveInstructions(ObservableValue<DataSourceId> id);
+
+    Image getLogo();
+
+    String getId();
+
+    String getName();
+}
diff --git a/extension/src/main/java/io/xpipe/extension/SupportedApplicationProviders.java b/extension/src/main/java/io/xpipe/extension/SupportedApplicationProviders.java
new file mode 100644
index 00000000..0fc9534c
--- /dev/null
+++ b/extension/src/main/java/io/xpipe/extension/SupportedApplicationProviders.java
@@ -0,0 +1,34 @@
+package io.xpipe.extension;
+
+import java.util.Optional;
+import java.util.ServiceLoader;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class SupportedApplicationProviders {
+
+    private static Set<SupportedApplicationProvider> ALL;
+
+    public static void loadAll(ModuleLayer layer) {
+        if (ALL == null) {
+            ALL = ServiceLoader.load(layer, SupportedApplicationProvider.class).stream()
+                    .map(ServiceLoader.Provider::get).collect(Collectors.toSet());
+        }
+    }
+
+    public static Optional<SupportedApplicationProvider> byId(String id) {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+
+        return ALL.stream().filter(d -> d.getId().equals(id)).findAny();
+    }
+
+    public static Set<SupportedApplicationProvider> getAll() {
+        if (ALL == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+
+        return ALL;
+    }
+}
diff --git a/extension/src/main/java/module-info.java b/extension/src/main/java/module-info.java
new file mode 100644
index 00000000..e8b1472f
--- /dev/null
+++ b/extension/src/main/java/module-info.java
@@ -0,0 +1,6 @@
+module io.xpipe.extension {
+    requires io.xpipe.core;
+    requires javafx.base;
+
+    exports io.xpipe.extension;
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index c50fb1fe..817556c0 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -3,5 +3,6 @@ rootProject.name = 'xpipe_java'
 include 'core'
 include 'beacon'
 include 'api'
+include 'extension'