diff --git a/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java b/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java
new file mode 100644
index 000000000..dd579710f
--- /dev/null
+++ b/nifty/src/main/java/jme3utilities/nifty/LibraryVersion.java
@@ -0,0 +1,64 @@
+/*
+ Copyright (c) 2017, Stephen Gold
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Stephen Gold's name may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL STEPHEN GOLD BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3utilities.nifty;
+
+import java.util.logging.Logger;
+
+/**
+ * Version strings for the jme3-utilities-nifty library. All methods should be
+ * static.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+public class LibraryVersion {
+    // *************************************************************************
+    // constants and loggers
+
+    /**
+     * message logger for this class
+     */
+    final private static Logger logger = Logger.getLogger(
+            LibraryVersion.class.getName());
+    // *************************************************************************
+    // constructors
+
+    /**
+     * A private constructor to inhibit instantiation of this class.
+     */
+    private LibraryVersion() {
+    }
+    // *************************************************************************
+    // new methods exposed
+
+    /**
+     * Read the terse version string for this library.
+     *
+     * @return branch and revision (not null, not empty)
+     */
+    public static String getVersionShort() {
+        return "master 0.5.0";
+    }
+}
diff --git a/ui/src/main/java/jme3utilities/ui/UiVersion.java b/ui/src/main/java/jme3utilities/ui/UiVersion.java
new file mode 100644
index 000000000..43515d833
--- /dev/null
+++ b/ui/src/main/java/jme3utilities/ui/UiVersion.java
@@ -0,0 +1,64 @@
+/*
+ Copyright (c) 2017, Stephen Gold
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Stephen Gold's name may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL STEPHEN GOLD BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3utilities.ui;
+
+import java.util.logging.Logger;
+
+/**
+ * Version strings for the jme3-utilities-ui library. All methods should be
+ * static.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+public class UiVersion {
+    // *************************************************************************
+    // constants and loggers
+
+    /**
+     * message logger for this class
+     */
+    final private static Logger logger = Logger.getLogger(
+            UiVersion.class.getName());
+    // *************************************************************************
+    // constructors
+
+    /**
+     * A private constructor to inhibit instantiation of this class.
+     */
+    private UiVersion() {
+    }
+    // *************************************************************************
+    // new methods exposed
+
+    /**
+     * Read the terse version string for this library.
+     *
+     * @return branch and revision (not null, not empty)
+     */
+    public static String getVersionShort() {
+        return "master 0.5.0";
+    }
+}
diff --git a/x/src/main/java/jme3utilities/x/XVersion.java b/x/src/main/java/jme3utilities/x/XVersion.java
new file mode 100644
index 000000000..d364b1b01
--- /dev/null
+++ b/x/src/main/java/jme3utilities/x/XVersion.java
@@ -0,0 +1,64 @@
+/*
+ Copyright (c) 2017, Stephen Gold
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Stephen Gold's name may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL STEPHEN GOLD BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jme3utilities.x;
+
+import java.util.logging.Logger;
+
+/**
+ * Version strings for the jme3-utilities-x library. All methods should be
+ * static.
+ *
+ * @author Stephen Gold sgold@sonic.net
+ */
+public class XVersion {
+    // *************************************************************************
+    // constants and loggers
+
+    /**
+     * message logger for this class
+     */
+    final private static Logger logger = Logger.getLogger(
+            XVersion.class.getName());
+    // *************************************************************************
+    // constructors
+
+    /**
+     * A private constructor to inhibit instantiation of this class.
+     */
+    private XVersion() {
+    }
+    // *************************************************************************
+    // new methods exposed
+
+    /**
+     * Read the terse version string for this library.
+     *
+     * @return branch and revision (not null, not empty)
+     */
+    public static String getVersionShort() {
+        return "master 0.2.0";
+    }
+}
diff --git a/x/src/main/java/jme3utilities/x/package-info.java b/x/src/main/java/jme3utilities/x/package-info.java
new file mode 100644
index 000000000..d44904fb8
--- /dev/null
+++ b/x/src/main/java/jme3utilities/x/package-info.java
@@ -0,0 +1,29 @@
+/*
+ Copyright (c) 2017, Stephen Gold
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Stephen Gold's name may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL STEPHEN GOLD BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * Version information for the jme3-utilities-x library.
+ */
+package jme3utilities.x;