diff --git a/README.md b/README.md
index cc0b15d4..a7e1f675 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 [![Build Status](https://github.com/jupyter-server/jupyverse/workflows/CI/badge.svg)](https://github.com/jupyter-server/jupyverse/actions)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter-server/jupyverse/HEAD?urlpath=jupyverse
 
 # jupyverse
 
@@ -9,6 +8,10 @@
 
 A set of [FPS](https://github.com/jupyter-server/fps) plugins implementing a Jupyter server.
 
+Try it online:
+- JupyterLab frontend: [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter-server/jupyverse/HEAD?urlpath=jupyverse-jlab)
+- RetroLab frontend: [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter-server/jupyverse/HEAD?urlpath=jupyverse-rlab)
+
 
 ## Motivation for Experimental Server
 
diff --git a/binder/jupyter_notebook_config.py b/binder/jupyter_notebook_config.py
index 2a80d2e2..8777d60b 100644
--- a/binder/jupyter_notebook_config.py
+++ b/binder/jupyter_notebook_config.py
@@ -1,24 +1,43 @@
-jupyverse_command = ' '.join([
+jupyverse_jlab_command = ' '.join([
     'jupyverse',
     '--no-open-browser',
     '--authenticator.mode=noauth',
+    '--RetroLab.enabled=false',
     '--JupyterLab.collaborative',
-    '--JupyterLab.base_url={base_url}jupyverse/',
+    '--JupyterLab.base_url={base_url}jupyverse-jlab/',
     '--port={port}',
-] + ['>jupyverse.log 2>&1'])
+] + ['>jupyverse_jlab.log 2>&1'])
+
+
+jupyverse_rlab_command = ' '.join([
+    'jupyverse',
+    '--no-open-browser',
+    '--authenticator.mode=noauth',
+    '--JupyterLab.enabled=false',
+    '--RetroLab.collaborative',
+    '--RetroLab.base_url={base_url}jupyverse-rlab/',
+    '--port={port}',
+] + ['>jupyverse_rlab.log 2>&1'])
 
 
 c.ServerProxy.servers = {
-    'jupyverse': {
+    'jupyverse-jlab': {
+        'command': [
+            '/bin/bash', '-c', jupyverse_jlab_command
+        ],
+        'timeout': 60,
+        'absolute_url': False
+    },
+    'jupyverse-rlab': {
         'command': [
-            '/bin/bash', '-c', jupyverse_command
+            '/bin/bash', '-c', jupyverse_rlab_command
         ],
         'timeout': 60,
         'absolute_url': False
     },
 }
 
-c.NotebookApp.default_url = '/jupyverse'
+c.NotebookApp.default_url = '/jupyverse-jlab'
 
 import logging
 c.NotebookApp.log_level = logging.DEBUG
diff --git a/binder/postBuild b/binder/postBuild
index 71a13929..df49f7ed 100644
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -11,6 +11,7 @@ mkdir fps \
 
 python -m pip install .[jupyterlab] --no-deps
 python -m pip install plugins/jupyterlab
+python -m pip install plugins/retrolab
 python -m pip install plugins/contents
 python -m pip install plugins/kernels
 python -m pip install plugins/terminals