diff --git a/elm.json b/elm.json
index 098e12a..2d02a75 100644
--- a/elm.json
+++ b/elm.json
@@ -6,6 +6,7 @@
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             "elm/browser": "1.0.2",
             "elm/core": "1.0.5",
             "elm/html": "1.0.0",
diff --git a/package-lock.json b/package-lock.json
index 785f446..2e70379 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
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@@ -424,6 +408,79 @@
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       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
-      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
-      "dev": true
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
     },
     "object-inspect": {
       "version": "1.9.0",
@@ -1754,8 +1789,7 @@
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
-      "dev": true
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "picomatch": {
       "version": "2.2.3",
@@ -1794,8 +1828,7 @@
     "psl": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.8.0.tgz",
-      "integrity": "sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==",
-      "dev": true
+      "integrity": "sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ=="
     },
     "pump": {
       "version": "3.0.0",
@@ -1810,14 +1843,12 @@
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
-      "dev": true
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
     "qs": {
       "version": "6.5.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-      "dev": true
+      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
     },
     "range-parser": {
       "version": "1.2.1",
@@ -1849,7 +1880,6 @@
       "version": "2.88.2",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
       "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
-      "dev": true,
       "requires": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -1942,14 +1972,12 @@
     "safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
-      "dev": true
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
     },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-      "dev": true
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "semver": {
       "version": "5.7.1",
@@ -2094,7 +2122,6 @@
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
       "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
-      "dev": true,
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -2245,7 +2272,6 @@
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
       "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
-      "dev": true,
       "requires": {
         "psl": "^1.1.28",
         "punycode": "^2.1.1"
@@ -2254,14 +2280,12 @@
     "traverse": {
       "version": "0.3.9",
       "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.3.9.tgz",
-      "integrity": "sha1-cXuPIgzAu3tE5AUUwisui7xw2Lk=",
-      "dev": true
+      "integrity": "sha1-cXuPIgzAu3tE5AUUwisui7xw2Lk="
     },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -2269,8 +2293,7 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "unbox-primitive": {
       "version": "1.0.1",
@@ -2300,7 +2323,6 @@
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/unzip-stream/-/unzip-stream-0.3.1.tgz",
       "integrity": "sha512-RzaGXLNt+CW+T41h1zl6pGz3EaeVhYlK+rdAap+7DxW5kqsqePO8kRtWPaCiVqdhZc86EctSPVYNix30YOMzmw==",
-      "dev": true,
       "requires": {
         "binary": "^0.3.0",
         "mkdirp": "^0.5.1"
@@ -2310,7 +2332,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
       "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
@@ -2318,8 +2339,7 @@
     "uuid": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
-      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
-      "dev": true
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
     "validate-npm-package-license": {
       "version": "3.0.4",
@@ -2335,7 +2355,6 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
diff --git a/package.json b/package.json
index 5f476a4..3badbdb 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "abra-apps",
   "version": "1.0.0",
   "description": "Co-op Cloud app catalogue",
-  "repository": "https://git.autonomic.zone/coop-cloud/abra-apps",
+  "repository": "https://git.coopcloud.tech/coop-cloud/abra-apps",
   "scripts": {
     "start": "npm install && npm run build:dev && npm run dev",
     "prod": "npm install && npm run build && npm run serve",
@@ -28,5 +28,8 @@
     "elm-spa": "5.0.4",
     "elm-test": "0.19.1-revision2",
     "npm-run-all": "4.1.5"
+  },
+  "dependencies": {
+    "elm-format": "^0.8.5"
   }
 }
diff --git a/public/style.css b/public/style.css
index c069eb4..ac6d3ec 100644
--- a/public/style.css
+++ b/public/style.css
@@ -11,6 +11,10 @@ body {
     object-fit: cover;
 }
 
+.card.filter {
+    margin-bottom: 0.8rem;
+}
+
 i.fas, i.fab {
     display: inline-block;
     margin-right: 0.3rem;
diff --git a/src/Pages/About.elm b/src/Pages/About.elm
index 6bd3058..0d694bd 100644
--- a/src/Pages/About.elm
+++ b/src/Pages/About.elm
@@ -36,7 +36,7 @@ view { params } =
     let 
         elm_link = a [ href "https://elm-lang.org/" ] [ text "Elm" ]
         coopcloud_link = a [ href "https://coopcloud.tech/" ] [ text "Co-op Cloud" ]
-        source_link = a [ href "https://git.autonomic.zone/coop-cloud/abra-apps" ] [ text "source" ]
+        source_link = a [ href "https://git.coopcloud.tech/coop-cloud/abra-apps" ] [ text "source" ]
     in
         { title = "about – abra apps"
         , body = 
diff --git a/src/Pages/App_String.elm b/src/Pages/App_String.elm
index bdf52f1..256dc3e 100644
--- a/src/Pages/App_String.elm
+++ b/src/Pages/App_String.elm
@@ -283,7 +283,7 @@ viewApp app readme =
 loadApp : Cmd Msg
 loadApp =
     Http.get
-        { url = "https://cors-container.herokuapp.com/https://apps.coopcloud.tech/"
+        { url = "https://apps.coopcloud.tech/"
         , expect = Http.expectJson GotApps appListDecoder
         }
 
@@ -304,7 +304,7 @@ loadREADME app =
     in
     Http.get
         -- FIXME use live Gitea link
-        { url = "https://cors-container.herokuapp.com/https://git.autonomic.zone/coop-cloud/" ++ app.slug ++ "/raw/branch/" ++ app.default_branch ++ "/README.md"
+        { url = "https://git.coopcloud.tech/coop-cloud/" ++ app.slug ++ "/raw/branch/" ++ app.default_branch ++ "/README.md"
         , expect = Http.expectString GotText
         }
 
diff --git a/src/Pages/Top.elm b/src/Pages/Top.elm
index 4fbf6b1..4559273 100644
--- a/src/Pages/Top.elm
+++ b/src/Pages/Top.elm
@@ -1,8 +1,9 @@
 module Pages.Top exposing (Model, Msg, Params, page)
 
-import Html exposing (Html, a, button, div, h2, h5, i, img, li, p, span, text, ul)
-import Html.Attributes exposing (alt, class, href, src, style)
-import Html.Events exposing (onClick)
+import Enum exposing (Enum)
+import Html exposing (Html, a, button, div, h2, h5, i, img, li, p, span, text, ul, form, label, select, option)
+import Html.Attributes exposing (alt, class, href, src, style, id, for, value)
+import Html.Events exposing (onClick, onInput)
 import Http
 import Json.Decode as Decode
 import Json.Decode.Extra as Decode exposing (andMap)
@@ -25,7 +26,6 @@ page =
         }
 
 
-
 -- INIT
 
 
@@ -47,15 +47,41 @@ type alias App =
     }
 
 
-type Model
+type alias Model =
+    { filter_score : Maybe Int
+    , filter_category : Maybe Category
+    , status : Status
+    , apps : (List App)
+    , results : (List App)
+    }
+
+
+type Status
     = Failure
     | Loading
-    | Success (List App)
+    | Success
+
+
+type Category
+    = Apps
+    | Utilities
+    | Development
+    | Graveyard
+
+
+categories : Enum Category
+categories =
+    Enum.create
+        [ ( "Apps", Apps )
+        , ( "Utilities", Utilities )
+        , ( "Development", Development )
+        ]
+
 
 
 init : Url Params -> ( Model, Cmd Msg )
 init { params } =
-    ( Loading, loadApps )
+    ( default_model, loadApps )
 
 
 default_image : String
@@ -63,28 +89,80 @@ default_image =
     "/logo.png"
 
 
+default_model : Model
+default_model =
+    { filter_score = Nothing, filter_category = Nothing, status = Loading, apps = [], results = [] }
+
 
 -- UPDATE
 
 
 type Msg
     = MorePlease
+    | FilterScore String
+    | FilterCategory String
     | GotApps (Result Http.Error (List App))
 
 
+filterAppsScore : List App -> Maybe Int -> List App
+filterAppsScore apps score =
+    case score of
+        Just s ->
+            List.filter (\app -> 
+                    app.status <= s
+                ) apps
+        Nothing ->
+            apps
+
+filterAppsCategory : List App -> Maybe Category -> List App
+filterAppsCategory apps category =
+    case category of
+        Just c ->
+            List.filter (\app -> 
+                app.category == categories.toString c
+            ) apps
+        Nothing ->
+            apps
+
 update : Msg -> Model -> ( Model, Cmd Msg )
 update msg model =
     case msg of
         MorePlease ->
-            ( Loading, loadApps )
+            ( default_model, loadApps )
+
+        FilterScore filter ->
+            let
+                filter_score = String.toInt filter
+            in
+                ( { model
+                    | filter_score = filter_score
+                    , results = filterAppsScore (
+                        filterAppsCategory model.apps model.filter_category
+                    ) (String.toInt filter)
+                }, Cmd.none )
+
+        FilterCategory filter ->
+            let
+                category = categories.fromString filter
+            in
+            ( { model
+                | filter_category = category
+                , results = filterAppsCategory (
+                    filterAppsScore model.apps model.filter_score
+                ) category
+            }, Cmd.none )
 
         GotApps result ->
             case result of
                 Ok apps ->
-                    ( Success apps, Cmd.none )
+                    ( { default_model
+                    | status = Success
+                    , apps = apps
+                    , results = apps }, Cmd.none )
 
                 Err _ ->
-                    ( Failure, Cmd.none )
+                    ( { default_model
+                    | status = Failure}, Cmd.none )
 
 
 subscriptions : Model -> Sub Msg
@@ -200,9 +278,18 @@ viewApp app =
         ]
 
 
+
+viewCategoryOption : (String, Category) -> Html Msg
+viewCategoryOption category =
+  option
+    [ value (categories.toString (Tuple.second category) ) ]
+    [ text (categories.toString (Tuple.second category) ) ]
+
+
+
 viewApps : Model -> Html Msg
 viewApps model =
-    case model of
+    case model.status of
         Failure ->
             div []
                 [ div [ class "alert alert-danger" ]
@@ -218,11 +305,35 @@ viewApps model =
                     ]
                 ]
 
-        Success apps ->
+        Success ->
             div []
                 [ div [ class "row" ]
+                    [ div [ class "col-sm-12" ] [
+                        div [ class "filter card bg-white" ] [ 
+                                form [ class "card-body form-inline" ] [
+                                    label [ for "level" ] [ text "Max. level" ]
+                                    , select [ class "ml-2 mr-4 form-control", id "level", onInput FilterScore ] [
+                                        option [ ] [ text "any" ]
+                                        , option [ value "1" ] [ text "1 (production)" ]
+                                        , option [ value "2" ] [ text "2 (beta)" ]
+                                        , option [ value "3" ] [ text "3 (alpha)" ]
+                                        , option [ value "4" ] [ text "4 (pre-alpha)" ]
+                                    ]
+                                    , label [ for "category" ] [ text "Category" ]
+                                    , select [ class "ml-2 form-control", id "category", onInput FilterCategory ] (
+                                        option [ ] [ text "any" ]
+                                        :: (List.map viewCategoryOption categories.list)
+                                    )
+                                    , div [ class "ml-auto badge badge-secondary" ] [ 
+                                        text (String.fromInt (List.length model.results) ++ " recipes")
+                                    ]
+                                ]
+                            ]
+                        ]
+                    ]
+                , div [ class "row" ]
                     (List.map viewApp
-                        (apps
+                        (model.results
                             |> List.sortWith
                                 (by .status ASC
                                     |> andThen (String.toLower << .name) ASC
@@ -239,7 +350,7 @@ viewApps model =
 loadApps : Cmd Msg
 loadApps =
     Http.get
-        { url = "https://cors-container.herokuapp.com/https://apps.coopcloud.tech/"
+        { url = "https://apps.coopcloud.tech/"
         , expect = Http.expectJson GotApps appListDecoder
         }