diff --git a/extensions/jython/pom.xml b/extensions/jython/pom.xml
new file mode 100644
index 000000000..83aa7d376
--- /dev/null
+++ b/extensions/jython/pom.xml
@@ -0,0 +1,119 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.openrefine</groupId>
+  <artifactId>jython</artifactId>
+  <packaging>jar</packaging>
+  <version>3.0-SNAPSHOT</version>
+
+  <name>OpenRefine - Jython extension</name>
+  <description>OpenRefine integration of Python as an expression language</description>
+  <url>http://openrefine.org/</url>
+  <parent>
+    <groupId>org.openrefine</groupId>
+    <artifactId>extensions</artifactId>
+    <version>3.0-SNAPSHOT</version>
+  </parent>
+
+  <build>
+    <finalName>openrefine-jython</finalName>
+    <resources>
+      <resource>
+        <directory>src</directory>
+      </resource>
+    </resources>
+    <testSourceDirectory>tests/src</testSourceDirectory>
+    <outputDirectory>module/MOD-INF/classes</outputDirectory>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>1.8</version>
+        <executions>
+          <execution>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>add-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>src</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.1</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+          <encoding>UTF-8</encoding>
+          <showDeprecation>false</showDeprecation>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-resources-plugin</artifactId>
+        <version>2.6</version>
+        <configuration>
+          <encoding>UTF-8</encoding>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.22.0</version>
+        <configuration>
+          <suiteXmlFiles>
+            <suiteXmlFile>tests/conf/tests.xml</suiteXmlFile>
+          </suiteXmlFiles>
+        </configuration>
+      </plugin>
+    </plugins>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-dependency-plugin</artifactId>
+            <version>3.1.1</version>
+            <configuration>
+                <skip>true</skip>
+            </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.openrefine</groupId>
+      <artifactId>main</artifactId>
+      <version>3.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>servlet-api</artifactId>
+      <version>2.5</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.python</groupId>
+      <artifactId>jython-standalone</artifactId>
+      <version>2.7.1</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.testng</groupId>
+      <artifactId>testng</artifactId>
+      <version>6.9.10</version>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+
+</project>
+
diff --git a/extensions/pom.xml b/extensions/pom.xml
new file mode 100644
index 000000000..479944e3e
--- /dev/null
+++ b/extensions/pom.xml
@@ -0,0 +1,25 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.openrefine</groupId>
+  <artifactId>extensions</artifactId>
+  <packaging>pom</packaging>
+  <version>3.0-SNAPSHOT</version>
+
+  <name>OpenRefine - extensions</name>
+  <description>OpenRefine is a free, open source power tool for working with messy data and improving it</description>
+  <url>http://openrefine.org/</url>
+
+  <parent>
+    <groupId>org.openrefine</groupId>
+    <artifactId>openrefine</artifactId>
+    <version>3.0-SNAPSHOT</version>
+  </parent>
+
+  <modules>
+        <module>jython</module>
+        <module>wikidata</module>
+  </modules>
+</project>
+
diff --git a/extensions/wikidata/pom.xml b/extensions/wikidata/pom.xml
index 301410095..cd28eb391 100644
--- a/extensions/wikidata/pom.xml
+++ b/extensions/wikidata/pom.xml
@@ -23,6 +23,7 @@
         <directory>src</directory>
       </resource>
     </resources>
+    <testSourceDirectory>tests/src</testSourceDirectory>
     <outputDirectory>module/MOD-INF/classes</outputDirectory>
     <plugins>
       <plugin>
@@ -116,6 +117,12 @@
       <version>6.9.10</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
 
   </dependencies>
 
diff --git a/main/pom.xml b/main/pom.xml
index 09b489321..9ac0f3101 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -361,11 +361,11 @@
       <id>kint</id>
       <url>http://developer.k-int.com/maven2</url>
     </repository> -->
-    <repository>
+   <!-- <repository>
       <id>local-jars</id>
       <name>Local JARs</name>
       <url>file://${project.basedir}/../libs</url>
-    </repository>
+    </repository> -->
   </repositories>
 
 </project>
diff --git a/pom.xml b/pom.xml
index 1ed7b47a2..cf00ab2a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,6 +14,7 @@
   <modules>
         <module>main</module>
         <module>server</module>
+        <module>extensions</module>
   </modules>
 
   <properties>
diff --git a/server/pom.xml b/server/pom.xml
index 2375f5081..50f17f737 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -74,13 +74,11 @@
         </configuration>
       </plugin>
       <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>exec-maven-plugin</artifactId>
-        <version>1.3</version>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.22.0</version>
         <configuration>
-          <mainClass>com.google.refine.Refine</mainClass>
-          <skip>false</skip>
-          <executable>java</executable>
+          <skip>true</skip>
         </configuration>
       </plugin>
     </plugins>
@@ -157,11 +155,11 @@
       <id>kint</id>
       <url>http://developer.k-int.com/maven2</url>
     </repository> -->
-    <repository>
+   <!-- <repository>
       <id>local-jars</id>
       <name>Local JARs</name>
       <url>file://${project.basedir}/../libs</url>
-    </repository>
+    </repository> -->
   </repositories>
 
 </project>