diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a3398b22..6f9f7e47 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -5,24 +5,30 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    name: Build and test on ${{ matrix.os }}, JDK ${{ matrix.java }}
+
+    strategy:
+      matrix:
+        java: [ '21' ]
+        os: [ 'ubuntu-latest', 'windows-latest', 'macos-latest' ]
+
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Set up JDK 17
+      - name: Set up JDK
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: ${{ matrix.java }}
           distribution: 'temurin'
           cache: 'maven'
       - name: Build with Maven
-        run: ./mvnw --batch-mode --update-snapshots install
-      - name: Assemble PraxisCORE
+        run: ./mvnw --batch-mode --update-snapshots verify
+      - name: Move and verify PraxisCORE
         run: |
-          ./mvnw --batch-mode -f ./praxiscore-bin package appassembler:assemble
-          mv ./praxiscore-bin/target/appassembler ./CORE
-          ./CORE/bin/praxis --show-environment
+          mv ./praxiscore-bin/target/praxiscore ./
+          ./praxiscore/bin/praxis --show-environment
       - name: Run Test Suite
-        run: ./CORE/bin/praxis -f ./testsuite/
+        run: ./praxiscore/bin/praxis -f ./testsuite/
 
diff --git a/pom.xml b/pom.xml
index c38589da..848b3615 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,6 @@
     <module>praxiscore-hub</module>
     <module>praxiscore-script</module>
     <module>praxiscore-launcher</module>
-    <module>praxiscore-bin</module>
     <module>praxiscore-data</module>
     <module>praxiscore-video</module>
     <module>praxiscore-video-code</module>
@@ -50,6 +49,7 @@
     <module>praxiscore-code-ivy</module>
     <module>praxiscore-launcher-jline</module>
     <module>praxiscore-purl</module>
+    <module>praxiscore-bin</module>
   </modules>
     
   <scm>
diff --git a/praxiscore-bin/pom.xml b/praxiscore-bin/pom.xml
index 80e9dd83..16e8994e 100644
--- a/praxiscore-bin/pom.xml
+++ b/praxiscore-bin/pom.xml
@@ -12,24 +12,6 @@
     
   <build>
     <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>appassembler-maven-plugin</artifactId>
-        <version>2.1.0</version>
-        <configuration>
-          <repositoryLayout>flat</repositoryLayout>
-          <repositoryName>mods</repositoryName>
-          <useWildcardClassPath>true</useWildcardClassPath>
-          <unixScriptTemplate>${project.basedir}/src/bin/unixBinTemplate</unixScriptTemplate>
-          <windowsScriptTemplate>${project.basedir}/src/bin/windowsBinTemplate</windowsScriptTemplate>
-          <programs>
-            <program>
-              <mainClass>org.praxislive.bin.Main</mainClass>
-              <id>praxis</id>
-            </program>
-          </programs>
-        </configuration>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-dependency-plugin</artifactId>
@@ -48,6 +30,28 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>3.6.0</version>
+        <executions>
+          <execution>
+            <id>make-bin-dir</id>
+            <phase>package</phase>
+            <goals>
+              <goal>single</goal>
+            </goals>
+            <configuration>
+              <finalName>praxiscore</finalName>
+              <descriptors>
+                <descriptor>${basedir}/src/assembly/dir.xml</descriptor>
+              </descriptors>
+              <appendAssemblyId>false</appendAssemblyId>
+              <attach>false</attach>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
     <resources>
       <resource>
@@ -174,6 +178,12 @@
       <groupId>${project.groupId}</groupId>
       <artifactId>praxiscore-video-pgl-natives</artifactId>
       <version>${project.version}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>*</groupId>
+          <artifactId>*</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <dependency>
diff --git a/praxiscore-bin/src/assembly/_dist.xml b/praxiscore-bin/src/assembly/_dist.xml
new file mode 100644
index 00000000..d4fae8c1
--- /dev/null
+++ b/praxiscore-bin/src/assembly/_dist.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component xmlns="http://maven.apache.org/ASSEMBLY-COMPONENT/2.1.0"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+           xsi:schemaLocation="http://maven.apache.org/ASSEMBLY-COMPONENT/2.1.0 https://maven.apache.org/xsd/assembly-component-2.1.0.xsd">
+  <dependencySets>
+    <dependencySet>
+      <outputDirectory>mods</outputDirectory>
+    </dependencySet>
+  </dependencySets>
+  <files>
+    <file>
+      <source>src/assembly/bin/praxis</source>
+      <outputDirectory>bin</outputDirectory>
+      <lineEnding>unix</lineEnding>
+      <fileMode>0755</fileMode>
+    </file>
+    <file>
+      <source>src/assembly/bin/praxis.cmd</source>
+      <outputDirectory>bin</outputDirectory>
+      <lineEnding>dos</lineEnding>
+    </file>
+  </files>
+</component>
diff --git a/praxiscore-bin/src/assembly/bin.xml b/praxiscore-bin/src/assembly/bin.xml
new file mode 100644
index 00000000..f80ccc47
--- /dev/null
+++ b/praxiscore-bin/src/assembly/bin.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you 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.
+-->
+<assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.1"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.1 https://maven.apache.org/xsd/assembly-2.1.1.xsd">
+  <id>bin</id>
+  <formats>
+    <format>tar.gz</format>
+    <format>zip</format>
+  </formats>
+  <componentDescriptors>
+    <componentDescriptor>src/assembly/_dist.xml</componentDescriptor>
+  </componentDescriptors>
+</assembly>
diff --git a/praxiscore-bin/src/bin/unixBinTemplate b/praxiscore-bin/src/assembly/bin/praxis
similarity index 71%
rename from praxiscore-bin/src/bin/unixBinTemplate
rename to praxiscore-bin/src/assembly/bin/praxis
index b128ed2a..02027393 100644
--- a/praxiscore-bin/src/bin/unixBinTemplate
+++ b/praxiscore-bin/src/assembly/bin/praxis
@@ -1,5 +1,22 @@
 #!/usr/bin/env sh
-@LICENSE_HEADER@
+# ----------------------------------------------------------------------------
+#  Copyright (c) 2023 Neil C Smith.
+#
+#  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.
+# ----------------------------------------------------------------------------
+#
+#  Derived from AppAssembler plugin launcher script
+#  Copyright (c) 2001-2006 The Apache Software Foundation.
 
 # resolve links - $0 may be a softlink
 PRG="$0"
@@ -19,7 +36,7 @@ BASEDIR=`cd "$PRGDIR/.." >/dev/null; pwd`
 
 # Reset the REPO variable. If you need to influence this use the environment setup file.
 REPO=
-@ENV_SETUP@
+
 
 if [ -z "$JAVACMD" ] ; then
   if [ -x "$BASEDIR/jdk/" ] ; then
@@ -83,7 +100,7 @@ fi
 
 if [ -z "$REPO" ]
 then
-  REPO="$BASEDIR"/@REPO@
+  REPO="$BASEDIR"/mods
 fi
 
 # For Cygwin, switch paths to Windows format before running java
@@ -94,12 +111,12 @@ if $cygwin; then
   [ -n "$REPO" ] && REPO=`cygpath --path --windows "$REPO"`
 fi
 
-exec "$JAVACMD" $JAVA_OPTS @EXTRA_JVM_ARGUMENTS@ \
+exec "$JAVACMD" $JAVA_OPTS  \
   -p "$REPO" \
-  -Dapp.name="@APP_NAME@" \
+  -Dapp.name="praxis" \
   -Dapp.pid="$$" \
   -Dapp.repo="$REPO" \
   -Dapp.home="$BASEDIR" \
   -Dbasedir="$BASEDIR" \
-  -m org.praxislive.bin/@MAINCLASS@ \
-  @APP_ARGUMENTS@"$@"@UNIX_BACKGROUND@
+  -m org.praxislive.bin/org.praxislive.bin.Main \
+  "$@"
diff --git a/praxiscore-bin/src/bin/windowsBinTemplate b/praxiscore-bin/src/assembly/bin/praxis.cmd
similarity index 58%
rename from praxiscore-bin/src/bin/windowsBinTemplate
rename to praxiscore-bin/src/assembly/bin/praxis.cmd
index 254e9041..7c54a904 100644
--- a/praxiscore-bin/src/bin/windowsBinTemplate
+++ b/praxiscore-bin/src/assembly/bin/praxis.cmd
@@ -1,92 +1,110 @@
-#LICENSE_HEADER#
-@echo off
-
-set ERROR_CODE=0
-
-:init
-@REM Decide how to startup depending on the version of windows
-
-@REM -- Win98ME
-if NOT "%OS%"=="Windows_NT" goto Win9xArg
-
-@REM set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" @setlocal
-
-@REM -- 4NT shell
-if "%eval[2+2]" == "4" goto 4NTArgs
-
-@REM -- Regular WinNT shell
-set CMD_LINE_ARGS=%*
-goto WinNTGetScriptDir
-
-@REM The 4NT Shell from jp software
-:4NTArgs
-set CMD_LINE_ARGS=%$
-goto WinNTGetScriptDir
-
-:Win9xArg
-@REM Slurp the command line arguments.  This loop allows for an unlimited number
-@REM of arguments (up to the command line limit, anyway).
-set CMD_LINE_ARGS=
-:Win9xApp
-if %1a==a goto Win9xGetScriptDir
-set CMD_LINE_ARGS=%CMD_LINE_ARGS% %1
-shift
-goto Win9xApp
-
-:Win9xGetScriptDir
-set SAVEDIR=%CD%
-%0\
-cd %0\..\.. 
-set BASEDIR=%CD%
-cd %SAVEDIR%
-set SAVE_DIR=
-goto repoSetup
-
-:WinNTGetScriptDir
-for %%i in ("%~dp0..") do set "BASEDIR=%%~fi"
-
-:repoSetup
-set REPO=
-#ENV_SETUP#
-
-if exist %BASEDIR%\jdk set JAVA_HOME=%BASEDIR%\jdk
-
-if not "%JAVA_HOME%"=="" set JAVACMD=%JAVA_HOME%\bin\#JAVA_BINARY#
-
-if "%JAVACMD%"=="" set JAVACMD=#JAVA_BINARY#
-
-if "%REPO%"=="" set REPO=%BASEDIR%\#REPO#
-
-@REM Reaching here means variables are defined and arguments have been captured
-:endInit
-
-"%JAVACMD%" %JAVA_OPTS% #EXTRA_JVM_ARGUMENTS# -p "%REPO%" -Dapp.name="#APP_NAME#" -Dapp.repo="%REPO%" -Dapp.home="%BASEDIR%" -Dbasedir="%BASEDIR%" -m "org.praxislive.bin/#MAINCLASS#" #APP_ARGUMENTS#%CMD_LINE_ARGS%
-if %ERRORLEVEL% NEQ 0 goto error
-goto end
-
-:error
-if "%OS%"=="Windows_NT" @endlocal
-set ERROR_CODE=%ERRORLEVEL%
-
-:end
-@REM set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" goto endNT
-
-@REM For old DOS remove the set variables from ENV - we assume they were not set
-@REM before we started - at least we don't leave any baggage around
-set CMD_LINE_ARGS=
-goto postExec
-
-:endNT
-@REM If error code is set to 1 then the endlocal was done already in :error.
-if %ERROR_CODE% EQU 0 @endlocal
-
-
-:postExec
-
-if "%FORCE_EXIT_ON_ERROR%" == "on" (
-  if %ERROR_CODE% NEQ 0 exit %ERROR_CODE%
-)
-
-exit /B %ERROR_CODE%
+@REM ----------------------------------------------------------------------------
+@REM  Copyright (c) 2023 Neil C Smith.
+@REM
+@REM  Licensed under the Apache License, Version 2.0 (the "License");
+@REM  you may not use this file except in compliance with the License.
+@REM  You may obtain a copy of the License at
+@REM
+@REM       http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM  Unless required by applicable law or agreed to in writing, software
+@REM  distributed under the License is distributed on an "AS IS" BASIS,
+@REM  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@REM  See the License for the specific language governing permissions and
+@REM  limitations under the License.
+@REM ----------------------------------------------------------------------------
+@REM
+@REM   Derived from AppAssembler plugin launcher script
+@REM   Copyright (c) 2001-2006 The Apache Software Foundation.
+
+@echo off
+
+set ERROR_CODE=0
+
+:init
+@REM Decide how to startup depending on the version of windows
+
+@REM -- Win98ME
+if NOT "%OS%"=="Windows_NT" goto Win9xArg
+
+@REM set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" @setlocal
+
+@REM -- 4NT shell
+if "%eval[2+2]" == "4" goto 4NTArgs
+
+@REM -- Regular WinNT shell
+set CMD_LINE_ARGS=%*
+goto WinNTGetScriptDir
+
+@REM The 4NT Shell from jp software
+:4NTArgs
+set CMD_LINE_ARGS=%$
+goto WinNTGetScriptDir
+
+:Win9xArg
+@REM Slurp the command line arguments.  This loop allows for an unlimited number
+@REM of arguments (up to the command line limit, anyway).
+set CMD_LINE_ARGS=
+:Win9xApp
+if %1a==a goto Win9xGetScriptDir
+set CMD_LINE_ARGS=%CMD_LINE_ARGS% %1
+shift
+goto Win9xApp
+
+:Win9xGetScriptDir
+set SAVEDIR=%CD%
+%0\
+cd %0\..\.. 
+set BASEDIR=%CD%
+cd %SAVEDIR%
+set SAVE_DIR=
+goto repoSetup
+
+:WinNTGetScriptDir
+for %%i in ("%~dp0..") do set "BASEDIR=%%~fi"
+
+:repoSetup
+set REPO=
+
+
+if exist %BASEDIR%\jdk set JAVA_HOME=%BASEDIR%\jdk
+
+if not "%JAVA_HOME%"=="" set JAVACMD=%JAVA_HOME%\bin\java
+
+if "%JAVACMD%"=="" set JAVACMD=java
+
+if "%REPO%"=="" set REPO=%BASEDIR%\mods
+
+@REM Reaching here means variables are defined and arguments have been captured
+:endInit
+
+"%JAVACMD%" %JAVA_OPTS%  -p "%REPO%" -Dapp.name="praxis" -Dapp.repo="%REPO%" -Dapp.home="%BASEDIR%" -Dbasedir="%BASEDIR%" -m "org.praxislive.bin/org.praxislive.bin.Main" %CMD_LINE_ARGS%
+if %ERRORLEVEL% NEQ 0 goto error
+goto end
+
+:error
+if "%OS%"=="Windows_NT" @endlocal
+set ERROR_CODE=%ERRORLEVEL%
+
+:end
+@REM set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" goto endNT
+
+@REM For old DOS remove the set variables from ENV - we assume they were not set
+@REM before we started - at least we don't leave any baggage around
+set CMD_LINE_ARGS=
+goto postExec
+
+:endNT
+@REM If error code is set to 1 then the endlocal was done already in :error.
+if %ERROR_CODE% EQU 0 @endlocal
+
+
+:postExec
+
+if "%FORCE_EXIT_ON_ERROR%" == "on" (
+  if %ERROR_CODE% NEQ 0 exit %ERROR_CODE%
+)
+
+exit /B %ERROR_CODE%
diff --git a/praxiscore-bin/src/assembly/dir.xml b/praxiscore-bin/src/assembly/dir.xml
new file mode 100644
index 00000000..07139aca
--- /dev/null
+++ b/praxiscore-bin/src/assembly/dir.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you 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.
+-->
+<assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.1"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.1 https://maven.apache.org/xsd/assembly-2.1.1.xsd">
+  <id>dir</id>
+  <formats>
+    <format>dir</format>
+  </formats>
+  <includeBaseDirectory>false</includeBaseDirectory>
+  <componentDescriptors>
+    <componentDescriptor>src/assembly/_dist.xml</componentDescriptor>
+  </componentDescriptors>
+</assembly>
+