diff --git a/app/api/formulas.py b/app/api/formulas.py
index b4cfe9ae..d7d7de7b 100644
--- a/app/api/formulas.py
+++ b/app/api/formulas.py
@@ -11,6 +11,14 @@ algos = {
         'expr': '(N - R) / (N + R)',
         'help': _('Normalized Difference Vegetation Index shows the amount of green vegetation.')
     },
+    'NDRE': {
+        'expr': '(N - Re) / (N + Re)',
+        'help': _('Normalized Difference Red Edge Index shows the amount of green vegetation of permanent or later stage crops.')
+    },
+    'NDWI': {
+        'expr': '(G - N) / (G + N)',
+        'help': _('Normalized Difference Water Index shows the amount of water content in water bodies.')
+    },
     'NDVI (Blue)': {
         'expr': '(N - B) / (N + B)',
         'help': _('Normalized Difference Vegetation Index shows the amount of green vegetation.')
@@ -22,7 +30,7 @@ algos = {
     'vNDVI':{
         'expr': '0.5268*((R ** -0.1294) * (G ** 0.3389) * (B ** -0.3118))',
         'help': _('Visible NDVI is an un-normalized index for RGB sensors using constants derived from citrus, grape, and sugarcane crop data.')
-    },
+    },    
     'VARI': {
         'expr': '(G - R) / (G + R - B)',
         'help': _('Visual Atmospheric Resistance Index shows the areas of vegetation.'),
@@ -87,6 +95,14 @@ algos = {
         'help': _('Enhanced Vegetation Index is useful in areas where NDVI might saturate, by using blue wavelengths to correct soil signals.'),
         'range': (-1, 1)
     },
+    'Thermal C': {
+        'expr': 'Lwir',
+        'help': _('Thermal temperature in Celsius degrees.')
+    },
+    'Thermal K': {
+        'expr': 'Lwir / 100 - 273.15',
+        'help': _('Thermal temperature in Centikelvin degrees.')
+    },
 
     # more?
 
@@ -115,6 +131,9 @@ camera_filters = [
     'RGBNRe',
     'RGBReN',
 
+    'BGRNReLwir',
+    'BGRReNLwir',
+
     # more?
     # TODO: certain cameras have only two bands? eg. MAPIR NDVI BLUE+NIR
 ]
@@ -145,7 +164,23 @@ def lookup_formula(algo, band_order = 'RGB'):
 
 @lru_cache(maxsize=2)
 def get_algorithm_list(max_bands=3):
-    return [{'id': k, 'filters': get_camera_filters_for(algos[k], max_bands), **algos[k]} for k in algos if not k.startswith("_")]
+    res = []
+    for k in algos:
+        if k.startswith("_"):
+            continue
+        
+        cam_filters = get_camera_filters_for(algos[k], max_bands)
+        
+        if len(cam_filters) == 0:
+            continue
+
+        res.append({
+            'id': k,
+            'filters': cam_filters,
+            **algos[k]
+        })
+
+    return res
 
 def get_camera_filters_for(algo, max_bands=3):
     result = []
diff --git a/app/api/tiler.py b/app/api/tiler.py
index 9b689d9a..3b083d9d 100644
--- a/app/api/tiler.py
+++ b/app/api/tiler.py
@@ -199,6 +199,7 @@ class Metadata(TaskNestedView):
         cmap_labels = {
             "viridis": "Viridis",
             "jet": "Jet",
+            "jet_r": "Jet (Reverse)",
             "terrain": "Terrain",
             "gist_earth": "Earth",
             "rdylgn": "RdYlGn",
@@ -209,6 +210,10 @@ class Metadata(TaskNestedView):
             "better_discrete_ndvi": "Custom NDVI Index",
             "rplumbo": "Rplumbo (Better NDVI)",
             "pastel1": "Pastel",
+            "plasma": "Plasma",
+            "inferno": "Inferno",
+            "magma": "Magma",
+            "cividis": "Cividis"
         }
 
         colormaps = []
@@ -217,7 +222,8 @@ class Metadata(TaskNestedView):
             colormaps = ['viridis', 'jet', 'terrain', 'gist_earth', 'pastel1']
         elif formula and bands:
             colormaps = ['rdylgn', 'spectral', 'rdylgn_r', 'spectral_r', 'rplumbo', 'discrete_ndvi',
-                         'better_discrete_ndvi']
+                         'better_discrete_ndvi',
+                         'viridis', 'plasma', 'inferno', 'magma', 'cividis', 'jet', 'jet_r']
             algorithms = *get_algorithm_list(band_count),
 
         info['color_maps'] = []
diff --git a/app/tests/test_api_task.py b/app/tests/test_api_task.py
index d9da2118..57d7dc2b 100644
--- a/app/tests/test_api_task.py
+++ b/app/tests/test_api_task.py
@@ -531,7 +531,7 @@ class TestApiTask(BootTransactionTestCase):
 
             # Colormap is for algorithms
             self.assertEqual(len([x for x in metadata['color_maps'] if x['key'] == 'rdylgn']), 1)
-            self.assertEqual(len([x for x in metadata['color_maps'] if x['key'] == 'jet']), 0)
+            self.assertEqual(len([x for x in metadata['color_maps'] if x['key'] == 'pastel1']), 0)
 
             # Formula parameters are copied to tile URL
             self.assertTrue(metadata['tiles'][0].endswith('?formula=NDVI&bands=RGN'))
@@ -668,7 +668,6 @@ class TestApiTask(BootTransactionTestCase):
             for k in algos:
                 a = algos[k]
                 filters = get_camera_filters_for(a)
-                self.assertTrue(len(filters) > 0, "%s has filters" % k)
 
                 for f in filters:
                     params.append(("orthophoto", "formula={}&bands={}&color_map=rdylgn".format(k, f), status.HTTP_200_OK))
diff --git a/start.sh b/start.sh
index 6028f578..24dd5655 100755
--- a/start.sh
+++ b/start.sh
@@ -148,7 +148,7 @@ else
     congrats
 
     nginx -c $(pwd)/nginx/$conf
-    gunicorn webodm.wsgi --bind unix:/tmp/gunicorn.sock --timeout 300000 --max-requests 250 --workers $((2*$(grep -c '^processor' /proc/cpuinfo)+1)) --preload 
+    gunicorn webodm.wsgi --bind unix:/tmp/gunicorn.sock --timeout 300000 --max-requests 500 --workers $((1*$(grep -c '^processor' /proc/cpuinfo)+1)) --preload
 fi
 
 # If this is executed, it means the previous command failed, don't display the congratulations message