diff --git a/flatlaf-jide-oss/build.gradle.kts b/flatlaf-jide-oss/build.gradle.kts
new file mode 100644
index 00000000..478a15e1
--- /dev/null
+++ b/flatlaf-jide-oss/build.gradle.kts
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2019 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+version = rootProject.version
+
+plugins {
+	`java-library`
+}
+
+dependencies {
+	implementation( project( ":flatlaf-core" ) )
+	implementation( "com.jidesoft:jide-oss:3.6.18" )
+}
+
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+}
diff --git a/flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/FlatJideOssDefaultsAddon.java b/flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/FlatJideOssDefaultsAddon.java
new file mode 100644
index 00000000..70f968c2
--- /dev/null
+++ b/flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/FlatJideOssDefaultsAddon.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.jideoss;
+
+import java.io.InputStream;
+import com.formdev.flatlaf.FlatDefaultsAddon;
+
+/**
+ * JIDE Common Layer addon for FlatLaf.
+ *
+ * @author Karl Tauber
+ */
+public class FlatJideOssDefaultsAddon
+	extends FlatDefaultsAddon
+{
+	/**
+	 * Finds JIDE Common Layer addon .properties file for the given LaF class
+	 * in the same package as this class.
+	 */
+	@Override
+	public InputStream getDefaults( Class<?> lafClass ) {
+		Class<?> addonClass = this.getClass();
+		String propertiesName = "/" + addonClass.getPackage().getName().replace( '.', '/' )
+			+ '/' + lafClass.getSimpleName() + ".properties";
+		return addonClass.getResourceAsStream( propertiesName );
+	}
+}
diff --git a/flatlaf-jide-oss/src/main/resources/META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon b/flatlaf-jide-oss/src/main/resources/META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon
new file mode 100644
index 00000000..4728dea8
--- /dev/null
+++ b/flatlaf-jide-oss/src/main/resources/META-INF/services/com.formdev.flatlaf.FlatDefaultsAddon
@@ -0,0 +1 @@
+com.formdev.flatlaf.jideoss.FlatJideOssDefaultsAddon
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 26cdae3e..b168f8cb 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -19,5 +19,6 @@ rootProject.name = "FlatLaf"
 include( "flatlaf-core" )
 include( "flatlaf-extras" )
 include( "flatlaf-swingx" )
+include( "flatlaf-jide-oss" )
 include( "flatlaf-demo" )
 include( "flatlaf-testing" )