diff --git a/butterfly/__init__.py b/butterfly/__init__.py
index 60c7704..3c5fa3d 100644
--- a/butterfly/__init__.py
+++ b/butterfly/__init__.py
@@ -14,7 +14,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-__version__ = '2.0.0-beta5'
+__version__ = '2.0.0-beta6'
 
 
 import os
diff --git a/butterfly/bin/calendar.py b/butterfly/bin/calendar.py
deleted file mode 100644
index 9a3a017..0000000
--- a/butterfly/bin/calendar.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python
-
-from calendar import LocaleHTMLCalendar
-from datetime import datetime
-import locale
-now = datetime.now()
-calendar = LocaleHTMLCalendar(locale=locale.getlocale())
-calendar_table = calendar.formatmonth(now.year, now.month)
-calendar_table = calendar_table.replace('border="0"', 'border="1"')
-
-print('\x1bP;HTML|')
-print(calendar_table)
-print('\x1bP')
diff --git a/butterfly/bin/help.py b/butterfly/bin/help.py
index a82c74d..c3559ef 100644
--- a/butterfly/bin/help.py
+++ b/butterfly/bin/help.py
@@ -30,13 +30,14 @@ Butterfly is a xterm compliant terminal built with python and javascript.
 
 
 {title}Butterfly programs:{reset}
-  {strong}b          : {reset}Alias for {strong}butterfly{reset} executable. Takes a comand in parameter or launch a butterfly server for one shot use (if outside butterfly).
-  {strong}b cat      : {reset}A wrapper around cat allowing to display images as <img> instead of binary.
-  {strong}b open     : {reset}Open a new terminal at specified location.
-  {strong}b session  : {reset}Open or rattach a butterfly session. Multiplexing is supported.
-  {strong}b colors   : {reset}Test the terminal colors (16, 256 and 16777216 colors)
-  {strong}b hr       : {reset}Put a html hr. This is a test for html output.
-  {strong}b calendar : {reset}Display current month using html. This is also a test for html output.
+  {strong}b         : {reset}Alias for {strong}butterfly{reset} executable. Takes a comand in parameter or launch a butterfly server for one shot use (if outside butterfly).
+  {strong}b cat     : {reset}A wrapper around cat allowing to display images as <img> instead of binary.
+  {strong}b open    : {reset}Open a new terminal at specified location.
+  {strong}b session : {reset}Open or rattach a butterfly session. Multiplexing is supported.
+  {strong}b colors  : {reset}Test the terminal colors (16, 256 and 16777216 colors)
+  {strong}b html    : {reset}Output in html standard input.
+
+  For more butterfly programs check out: https://github.com/paradoxxxzero/butterfly-demos
 
 
 {title}Styling butterfly:{reset}
diff --git a/butterfly/bin/hr.py b/butterfly/bin/hr.py
deleted file mode 100644
index 8bf5a05..0000000
--- a/butterfly/bin/hr.py
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env python
-import sys
-sys.stdout.write('\x1bP;HTML|<hr />\x1bP')
-sys.stdout.flush()
diff --git a/butterfly/bin/html.py b/butterfly/bin/html.py
index 45cb098..c033bab 100644
--- a/butterfly/bin/html.py
+++ b/butterfly/bin/html.py
@@ -1,8 +1,18 @@
 #!/usr/bin/env python
 from butterfly.escapes import html
+import argparse
 import fileinput
 import sys
 
+parser = argparse.ArgumentParser(
+    description="Butterfly html converter.\n\n"
+    "Output in html standard input.\n"
+    "Example: $ echo \"<b>Bold</b>\" | b html",
+    formatter_class=argparse.RawTextHelpFormatter)
+
+parser.parse_known_args()
+
+
 with html():
     for line in fileinput.input():
         sys.stdout.write(line)
diff --git a/butterfly/bin/test.py b/butterfly/bin/test.py
deleted file mode 100644
index e2b3811..0000000
--- a/butterfly/bin/test.py
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/env python
-import sys
-w = sys.stdout.write
-print('Image injection test')
-injection = 'R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" onload="alert(\'pwnd\')" /><img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=='
-w('\x1bP;IMAGE|image/gif;%s' % injection)
-w('\x1bP')
-
-
-print('HTML script execution test')
-w('\x1bP;HTML|<img src="https://imgs.xkcd.com/comics/hack.png" onload="alert(\'pwnd\')" />')
-w('\x1bP')