diff --git a/README.md b/README.md
index fee8867..418f533 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,6 @@ To build the example run:
 
     cd example
     mkdir target
-    ciclostile
+    ciclostile_render
 
 A `test.html` file will appear inside the `target` folder.
diff --git a/setup.py b/setup.py
index 5c9d71d..22fb118 100644
--- a/setup.py
+++ b/setup.py
@@ -14,9 +14,9 @@ setup(
     author='Unit',
     author_email='unit at paranoici dot org',
 
-    # package_dir={'': 'src'},
-    # packages=['ciclostile'],
-    scripts=['src/ciclostile_render'],
+    package_dir={'': 'src'},
+    packages=['ciclostile'],
+    scripts=['src/ciclostile_render', 'src/ciclostile_web'],
 
     install_requires=['markdown', 'jinja2']
     )
diff --git a/src/ciclostile/__init__.py b/src/ciclostile/__init__.py
new file mode 100644
index 0000000..f428529
--- /dev/null
+++ b/src/ciclostile/__init__.py
@@ -0,0 +1,47 @@
+import os
+import markdown
+import jinja2
+
+
+def read_markdown(page_name, markdown_path):
+    md_file = os.path.join(markdown_path, page_name + '.md')
+
+    with open(md_file) as f:
+        md_text = f.read()
+
+    return md_text
+
+
+def render_from_text(md_text, template_path):
+    md = markdown.Markdown(extensions=['meta'], output_format='html5')
+    html = md.convert(md_text)
+
+    # get markdown metadata
+    data = {key: md.Meta[key][0] for key in md.Meta.keys()}
+
+    data.update({
+        'content': html,
+        # 'page_name': page_name,  # Needed?
+    })
+
+    template_name = data.get('template', 'default')
+    template_file = os.path.join(template_path, template_name + '.html')
+
+    with open(template_file) as f:
+        template = f.read()
+
+    page = jinja2.Template(template).render(**data)
+    return page
+
+
+def render(page_name, markdown_path, template_path):
+    md_text = read_markdown(page_name, markdown_path)
+    page = render_from_text(md_text, template_path)
+    return page
+
+
+def save(md_text, page_name, markdown_path):
+    md_file = os.path.join(markdown_path, page_name + '.md')
+
+    with open(md_file, 'w') as f:
+        f.write(md_text)
diff --git a/src/ciclostile_render b/src/ciclostile_render
index 16bd01e..fe9482c 100755
--- a/src/ciclostile_render
+++ b/src/ciclostile_render
@@ -1,67 +1,30 @@
 #!/usr/bin/env python3
 import os
-import markdown
-import jinja2
-
-template_path = 'templates'
-md_path = './markdown'
-html_path = './target'
+import ciclostile
 
 
-def write_page(page, out_name):
-    out_path = os.path.join(html_path, out_name)
-    with open(out_path, 'w') as f:
-        f.write(page)
+working_dir = os.getcwd()
 
-
-def render_page(data):
-    template_name = data.get('template', 'default')
-    template_file = os.path.join(template_path, template_name + '.html')
-
-    with open(template_file) as f:
-        template = f.read()
-
-    page = jinja2.Template(template).render(**data)
-    write_page(page, data['file_name'])
-
-
-def read_md(md_file):
-    full_name = os.path.join(md_path, md_file)
-    with open(full_name) as f:
-        md_text = f.read()
-    return md_text
-
-
-def make_page(md_file):
-    md_text = read_md(md_file)
-
-    md = markdown.Markdown(extensions=['meta'], output_format='html5')
-    html = md.convert(md_text)
-
-    # get markdown metadata
-    data = {key: md.Meta[key][0]
-            for key in md.Meta.keys()}
-
-    out_name = os.path.splitext(md_file)[0] + '.html'
-
-    data.update({
-        'content': html,
-        'file_name': out_name,
-    })
-
-    return data
+target_path, template_path, markdown_path = [
+    os.path.join(working_dir, folder_name)
+    for folder_name in ['target', 'templates', 'markdown']
+]
 
 
 def valid_md(md_file):
-    full_name = os.path.join(md_path, md_file)
+    full_name = os.path.join(markdown_path, md_file)
     return os.path.isfile(full_name) and full_name.endswith('.md')
 
 
 def main():
-    for md_file in os.listdir(md_path):
+    for md_file in os.listdir(markdown_path):
         if valid_md(md_file):
-            page = make_page(md_file)
-            render_page(page)
+            page_name = os.path.splitext(md_file)[0]
+            page = ciclostile.render(page_name, markdown_path, template_path)
+
+            out_path = os.path.join(target_path, page_name + '.html')
+            with open(out_path, 'w') as f:
+                f.write(page)
 
 
 if __name__ == '__main__':
diff --git a/src/ciclostile_web b/src/ciclostile_web
new file mode 100755
index 0000000..710a458
--- /dev/null
+++ b/src/ciclostile_web
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+import os
+from flask import Flask, send_from_directory, render_template, request,\
+                  redirect
+import ciclostile
+
+working_dir = os.getcwd()
+
+target_path, template_path, markdown_path = [
+    os.path.join(working_dir, folder_name)
+    for folder_name in ['target', 'templates', 'markdown']
+]
+
+app = Flask(__name__)
+
+
+@app.route('/assets/<path:path>')
+def assets(path):
+    assets_path = os.path.join(target_path, 'assets')
+    return send_from_directory(assets_path, path)
+
+
+@app.route('/<string:page_name>')
+@app.route('/<string:page_name>.html')
+def page(page_name):
+    return ciclostile.render(page_name, markdown_path, template_path)
+
+
+@app.route('/<string:page_name>/edit')
+def edit(page_name):
+    md_text = ciclostile.read_markdown(page_name, markdown_path)
+    return render_template('edit.html', **locals())
+
+
+@app.route('/edit', methods=['POST'])
+def edit_actions():
+    page_name = request.form['page_name']
+    md_text = request.form['md_text']
+
+    if request.form['action'] == 'preview':
+        return ciclostile.render_from_text(md_text, template_path)
+
+    if request.form['action'] == 'save':
+        ciclostile.save(md_text, page_name, markdown_path)
+        return page(page_name)
+
+
+if __name__ == '__main__':
+    app.run()
diff --git a/src/templates/edit.html b/src/templates/edit.html
new file mode 100644
index 0000000..64bdb06
--- /dev/null
+++ b/src/templates/edit.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>{{ page_name }}: edit</title>
+  </head>
+
+  <body>
+    <h1>{{ page_name }}: edit</h1>
+    <textarea name="md_text" form="mdform">{{ md_text }}</textarea> 
+
+    <form action="/edit" id="mdform" method="POST" target="preview_iframe">
+      <input type="hidden" name="page_name" value="{{ page_name }}">
+      <input type="submit" name="action" value="preview">
+      <input type="submit" name="action" value="save">
+    </form>
+
+    <iframe name="preview_iframe" src="/{{ page_name }}"></iframe>
+  </body>
+</html>