diff --git a/charts.py b/charts.py
new file mode 100644
index 0000000..d8fb73d
--- /dev/null
+++ b/charts.py
@@ -0,0 +1,85 @@
+from GChartWrapper import VerticalBarGroup
+from GChartWrapper import Line
+from GChartWrapper import constants
+
+
+COLORS = ["red", "orange", "yellow", "green", "blue", "indigo", "violet"]
+constants.MARKERS += 'E'  # append E marker to available markers
+
+
+def render_vertical_bar(title, legend, dataset, width=700, height=400, scale_x=None,
+                        scale_y=None):
+    """
+    Renders vertical bar group chart
+
+    :param legend - list of legend values.
+        Example: ['bar1', 'bar2', 'bar3']
+    :param dataset - list of values for each type (value, deviation)
+        Example:
+            [
+                [(10,(9,11)), (11, (3,12)), (10,(9,11))], # bar1 values
+                [(30,(29,33)),(35,(33,36)), (30,(29,33))], # bar2 values
+                [(20,(19,21)),(20,(13, 24)), (20,(19,21))] # bar 3 values
+            ]
+    :param width - width of chart
+    :param height - height of chart
+    :param scale_x - x ace scale
+    :param scale_y - y ace scale
+
+    :returns url to chart
+
+    dataset example:
+    {
+        'relese_1': {
+            'randr': (1, 0.1),
+            'randwr': (2, 0.2)
+        }
+        'release_2': {
+            'randr': (3, 0.3),
+            'randwr': (4, 0.4)
+        }
+    }
+    """
+    bar = VerticalBarGroup([], encoding='text')
+    bar.title(title)
+
+    values = []
+    deviations = []
+
+    for d in dataset:
+        val, dev = zip(*d)
+
+        display_dev = []
+        for i in range(len(val)):
+            display_dev.append((val[i]-dev[i], val[i]+dev[i]))
+        values.append(val)
+        # deviations.extend(zip(*dev))
+        deviations.extend(zip(*display_dev))
+
+    bar.dataset(values + deviations, series=len(values))
+
+    bar.axes.type('xy')
+    if scale_x:
+        bar.axes.label(0, *scale_x)
+    scale_y = scale_y or range(int(max([max(l) for l in values]) + 2))
+    bar.axes.range(1, *scale_y)
+
+    bar.bar('r', '.1', '1')
+    for i in range(len(legend)):
+        bar.marker('E', '000000', '%s:%s' % ((len(values) + i*2), i),
+                   '', '1:10')
+    bar.legend(*legend)
+    bar.color(*COLORS[:len(values)])
+    bar.size(width, height)
+
+    return str(bar)
+
+
+def render_lines():
+    line = Line([])
+    line.dataset([[1,2,3], [3,2,1], [5,6,7]])
+    scale_y = range(int(max([max(l) for l in
+                             [[1,2,3], [3,2,1], [5,6,7]]]) + 2))
+    line.axes.range(1, *scale_y)
+    # G.legend('Animals','Vegetables','Minerals')
+    # G.axes('y')