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diff --git a/knowledge/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java b/knowledge/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java
new file mode 100644
index 0000000..3746da8
--- /dev/null
+++ b/knowledge/org.argeo.support.odk/src/org/argeo/support/odk/servlet/OdkFormServlet.java
@@ -0,0 +1,50 @@
+package org.argeo.support.odk.servlet;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.FilenameUtils;
+import org.argeo.support.odk.OdkForm;
+
+/** Retrieves a single form. */
+public class OdkFormServlet extends HttpServlet {
+	private static final long serialVersionUID = 7838305967987687370L;
+
+	private Map<String, OdkForm> odkForms = Collections.synchronizedMap(new HashMap<>());
+
+	@Override
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		resp.setContentType("text/xml; charset=utf-8");
+
+		String path = req.getServletPath();
+		String fileName = FilenameUtils.getName(path);
+		OdkForm form = odkForms.get(fileName);
+		if (form == null)
+			throw new IllegalArgumentException("No form named " + fileName + " was found");
+
+		byte[] buffer = new byte[1024];
+		try (InputStream in = form.openStream(); OutputStream out = resp.getOutputStream();) {
+			int bytesRead;
+			while ((bytesRead = in.read(buffer)) != -1)
+				out.write(buffer, 0, bytesRead);
+		}
+	}
+
+	public void addForm(OdkForm odkForm) {
+		odkForms.put(odkForm.getFileName(), odkForm);
+	}
+
+	public void removeForm(OdkForm odkForm) {
+		odkForms.remove(odkForm.getFileName());
+	}
+
+}