diff --git a/.gitignore b/.gitignore
index ceeedd3..106a0e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,14 @@
-config.edn
-config*.edn
+# cljs ignores
 package-lock.json
-/.shadow-cljs
 /node_modules
+/.shadow-cljs
+
+# mastodon-bot ignores
+config*.edn
+
+# lein ignores
 /target
-/mastodon-bot.js
+pom.xml
+
+# ide ignores
+.calva/
diff --git a/project.clj b/project.clj
new file mode 100644
index 0000000..250ed03
--- /dev/null
+++ b/project.clj
@@ -0,0 +1,16 @@
+(defproject dda/mastodon-bot "1.10.5-SNAPSHOT"
+  :description "Bot to publish twitter, tumblr or rss posts to an mastodon account."
+  :url "https://github.com/yogthos/mastodon-bot"
+  :author "Dmitri Sotnikov"
+  :license {:name "MIT"}
+  :dependencies []
+  :source-paths ["src/main/cljc"
+                 "src/main/clj"]
+  :resource-paths ["src/main/resources"]
+  :repositories [["snapshots" :clojars]
+                 ["releases" :clojars]]
+  :deploy-repositories [["snapshots" :clojars]
+                        ["releases" :clojars]]
+  :profiles {:test {:test-paths ["src/test/cljc"]
+                    :resource-paths ["src/test/resources"]
+                    :dependencies []}})
diff --git a/shadow-cljs.edn b/shadow-cljs.edn
index 62e525d..ef8e219 100644
--- a/shadow-cljs.edn
+++ b/shadow-cljs.edn
@@ -1,5 +1,7 @@
-{:source-paths ["src/main"
-                "src/test"]
+{:source-paths ["src/main/cljc"
+                "src/main/cljs"
+                "src/test/cljc"
+                "src/test/cljs"]
  :dependencies [[orchestra "2019.02.06-1"]
                 [expound "0.8.4"]]
  :builds       {:test {:target    :node-test
diff --git a/src/main/cljc/mastodon_bot/core_domain.cljc b/src/main/cljc/mastodon_bot/core_domain.cljc
new file mode 100755
index 0000000..5927870
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/core_domain.cljc
@@ -0,0 +1,22 @@
+(ns mastodon-bot.core-domain
+  (:require
+   [clojure.spec.alpha :as s]
+   [clojure.string :as cs]
+   [mastodon-bot.transform-domain :as trd]
+   [mastodon-bot.mastodon-domain :as md]
+   [mastodon-bot.twitter-domain :as twd]
+   [mastodon-bot.tumblr-domain :as td]))
+
+(s/def ::mastodon md/mastodon-auth?)
+(s/def ::twitter twd/twitter-auth?)
+(s/def ::tumblr td/tumblr-auth?)
+(s/def ::transform trd/transformations?)
+(s/def ::auth (s/keys :opt-un [::mastodon ::twitter ::tumblr]))
+(def config? 
+  (s/keys :req-un [::auth ::transform]))
+
+(s/def ::options (s/* #{"-h"}))
+(s/def ::config-location (s/? (s/and string?
+                                     #(not (cs/starts-with? % "-")))))
+(s/def ::args (s/cat :options ::options 
+                     :config-location ::config-location))
diff --git a/src/main/cljc/mastodon_bot/mastodon_domain.cljc b/src/main/cljc/mastodon_bot/mastodon_domain.cljc
new file mode 100644
index 0000000..7626129
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/mastodon_domain.cljc
@@ -0,0 +1,29 @@
+(ns mastodon-bot.mastodon-domain
+  (:require
+   [clojure.spec.alpha :as s]))
+
+(s/def ::access_token string?)
+(s/def ::api_url string?)
+(s/def ::account-id string?)
+(s/def ::append-screen-name? boolean?)
+(s/def ::signature string?)
+(s/def ::sensitive? boolean?)
+(s/def ::media-only? boolean?)
+(s/def ::visibility #{"direct" "private" "unlisted" "public"})
+(s/def ::max-post-length (fn [n] (and
+                                  (int? n)
+                                  (<= n 500)
+                                  (> n 0))))
+(def mastodon-auth? (s/keys :req-un [::account-id ::access_token ::api_url]))
+(def mastodon-target? (s/keys :opt-un [::max-post-length
+                                       ::signature
+                                       ::visibility
+                                       ::append-screen-name?
+                                       ::sensitive?
+                                       ::media-only?]))
+(s/def ::created-at any?)
+(s/def ::text string?)
+(s/def ::media-links string?)
+
+(def mastodon-output?  (s/keys :req-un [::created-at ::text]
+                               :opt-un [::media-links]))
diff --git a/src/main/cljc/mastodon_bot/rss_domain.cljc b/src/main/cljc/mastodon_bot/rss_domain.cljc
new file mode 100644
index 0000000..024b5e8
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/rss_domain.cljc
@@ -0,0 +1,16 @@
+(ns mastodon-bot.rss-domain
+  (:require
+   [clojure.spec.alpha :as s]))
+
+(s/def ::feed (s/cat :name string? :url string?))
+(s/def ::feeds (s/coll-of ::feed))
+(def rss-source?  (s/keys :req-un [::feeds]))
+
+(s/def ::title string?)
+(s/def ::content string?)
+(s/def ::link string?)
+(s/def ::author string?)
+(s/def ::isoDate string?)
+(s/def ::pubDate string?)
+(s/def ::feed-item (s/keys :req-un [::title ::content ::link]
+                           :opt-un [::author ::isoDate ::pubDate]))
diff --git a/src/main/cljc/mastodon_bot/transform_domain.cljc b/src/main/cljc/mastodon_bot/transform_domain.cljc
new file mode 100644
index 0000000..99a9ca9
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/transform_domain.cljc
@@ -0,0 +1,42 @@
+(ns mastodon-bot.transform-domain
+  (:require
+   [clojure.spec.alpha :as s]
+   [mastodon-bot.mastodon-domain :as md]
+   [mastodon-bot.twitter-domain :as twd]
+   [mastodon-bot.rss-domain :as rd]
+   [mastodon-bot.tumblr-domain :as td]))
+
+(s/def ::created-at any?)
+(s/def ::text string?)
+(s/def ::untrimmed-text string?)
+(s/def ::media-links string?)
+(s/def ::screen_name string?)
+(def intermediate?  (s/keys :req-un [::created-at ::text ::screen_name]
+                     :opt-un [::media-links ::untrimmed-text]))
+
+(s/def ::source-type #{:twitter :rss :tumblr})
+(s/def ::resolve-urls? boolean?)
+(s/def ::content-filter string?)
+(s/def ::content-filters (s/* ::content-filter))
+(s/def ::keyword-filter string?)
+(s/def ::keyword-filters (s/* ::keyword-filter))
+(s/def ::replacements any?)
+(defmulti source-type :source-type)
+(defmethod source-type :twitter [_]
+  (s/merge (s/keys :req-un[::source-type]) twd/twitter-source?))
+(defmethod source-type :rss [_]
+  (s/merge (s/keys :req-un [::source-type]) rd/rss-source?))
+(defmethod source-type :tumblr [_]
+  (s/merge (s/keys :req-un [::source-type]) td/tumblr-source?))
+(s/def ::source (s/multi-spec source-type ::source-type))
+
+(s/def ::target-type #{:mastodon})
+(defmulti target-type :target-type)
+(defmethod target-type :mastodon [_]
+  (s/merge (s/keys :req-un [::target-type]) md/mastodon-target?))
+(s/def ::target (s/multi-spec target-type ::target-type))
+
+(s/def ::transformation (s/keys :req-un [::source ::target]
+                                :opt-un [::resolve-urls? ::content-filters ::keyword-filters 
+                                         ::replacements]))
+(def transformations? (s/* ::transformation))
diff --git a/src/main/cljc/mastodon_bot/tumblr_domain.cljc b/src/main/cljc/mastodon_bot/tumblr_domain.cljc
new file mode 100755
index 0000000..881267b
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/tumblr_domain.cljc
@@ -0,0 +1,16 @@
+(ns mastodon-bot.tumblr-domain
+  (:require
+   [clojure.spec.alpha :as s]
+   ))
+
+(s/def ::consumer_key string?)
+(s/def ::consumer_secret string?)
+(s/def ::token string?)
+(s/def ::token_secret string?)
+(def tumblr-auth? (s/keys :req-un [::consumer_key ::consumer_secret ::token
+                                    ::token_secret]))
+
+(s/def ::limit pos?)
+(s/def ::account string?)
+(s/def ::accounts (s/* ::account))
+(def tumblr-source?  (s/keys :req-un [::limit ::accounts]))
diff --git a/src/main/cljc/mastodon_bot/twitter_domain.cljs b/src/main/cljc/mastodon_bot/twitter_domain.cljs
new file mode 100755
index 0000000..0641866
--- /dev/null
+++ b/src/main/cljc/mastodon_bot/twitter_domain.cljs
@@ -0,0 +1,18 @@
+(ns mastodon-bot.twitter-domain
+  (:require
+   [clojure.spec.alpha :as s]))
+
+(s/def ::consumer_key string?)
+(s/def ::consumer_secret string?)
+(s/def ::access_token_key string?)
+(s/def ::access_token_secret string?)
+(def twitter-auth? (s/keys :req-un [::consumer_key ::consumer_secret ::access_token_key 
+                                      ::access_token_secret]))
+
+(s/def ::include-rts? boolean?)
+(s/def ::include-replies? boolean?)
+(s/def ::nitter-urls? boolean?)
+(s/def ::account string?)
+(s/def ::accounts (s/* ::account))
+(def twitter-source?  (s/keys :req-un [::include-rts? ::include-replies? ::accounts]
+                              :opt-un [::nitter-urls?]))
diff --git a/src/main/mastodon_bot/core.cljs b/src/main/cljs/mastodon_bot/core.cljs
similarity index 72%
rename from src/main/mastodon_bot/core.cljs
rename to src/main/cljs/mastodon_bot/core.cljs
index dd2eb53..891f43a 100755
--- a/src/main/mastodon_bot/core.cljs
+++ b/src/main/cljs/mastodon_bot/core.cljs
@@ -2,51 +2,35 @@
   (:require
    [clojure.spec.alpha :as s]
    [clojure.spec.test.alpha :as st]
-   [clojure.string :as cs]
    [orchestra.core :refer-macros [defn-spec]]
    [expound.alpha :as expound]
    [mastodon-bot.infra :as infra]
+   [mastodon-bot.core-domain :as cd]
    [mastodon-bot.transform :as transform]
-   [mastodon-bot.mastodon-api :as masto]
-   [mastodon-bot.twitter-api :as twitter]
-   [mastodon-bot.tumblr-api :as tumblr]))
+   [mastodon-bot.mastodon-api :as ma]))
 
 (set! s/*explain-out* expound/printer)
 
-(s/def ::mastodon masto/mastodon-auth?)
-(s/def ::twitter twitter/twitter-auth?)
-(s/def ::tumblr tumblr/tumblr-auth?)
-(s/def ::transform transform/transformations?)
-(s/def ::auth (s/keys :opt-un [::mastodon ::twitter ::tumblr]))
-(def config? 
-  (s/keys :req-un [::auth ::transform]))
-
-(s/def ::options (s/* #{"-h"}))
-(s/def ::config-location (s/? (s/and string?
-                                     #(not (cs/starts-with? % "-")))))
-(s/def ::args (s/cat :options ::options 
-                     :config-location ::config-location))
-
-(defn-spec mastodon-auth ::mastodon
-  [config config?]
+(defn-spec mastodon-auth ::cd/mastodon
+  [config cd/config?]
   (get-in config [:auth :mastodon]))
 
-(defn-spec twitter-auth ::twitter
-  [config config?]
+(defn-spec twitter-auth ::cd/twitter
+  [config cd/config?]
   (get-in config [:auth :twitter]))
 
-(defn-spec tumblr-auth ::tumblr
-  [config config?]
+(defn-spec tumblr-auth ::cd/tumblr
+  [config cd/config?]
   (get-in config [:auth :tumblr]))
 
-(defn-spec transform ::transform
-  [config config?]
+(defn-spec transform ::cd/transform
+  [config cd/config?]
   (:transform config))
 
 (defn-spec transform! any?
-  [config config?]
+  [config cd/config?]
   (let [mastodon-auth (mastodon-auth config)]  
-    (masto/get-mastodon-timeline
+    (ma/get-mastodon-timeline
      mastodon-auth
      (fn [timeline]
        (let [last-post-time (-> timeline first :created_at (js/Date.))]
@@ -92,9 +76,9 @@
   ")
 
 (defn main [& args]
-  (let [parsed-args (s/conform ::args args)]
+  (let [parsed-args (s/conform ::cd/args args)]
     (if (= ::s/invalid parsed-args)
-      (do (s/explain ::args args)
+      (do (s/explain ::cd/args args)
           (infra/exit-with-error (str "Bad commandline arguments\n" usage)))
       (let [{:keys [options config-location]} parsed-args]
         (cond
diff --git a/src/main/mastodon_bot/infra.cljs b/src/main/cljs/mastodon_bot/infra.cljs
similarity index 100%
rename from src/main/mastodon_bot/infra.cljs
rename to src/main/cljs/mastodon_bot/infra.cljs
diff --git a/src/main/mastodon_bot/mastodon_api.cljs b/src/main/cljs/mastodon_bot/mastodon_api.cljs
similarity index 75%
rename from src/main/mastodon_bot/mastodon_api.cljs
rename to src/main/cljs/mastodon_bot/mastodon_api.cljs
index b14ff55..5c40ff1 100755
--- a/src/main/mastodon_bot/mastodon_api.cljs
+++ b/src/main/cljs/mastodon_bot/mastodon_api.cljs
@@ -1,46 +1,18 @@
 (ns mastodon-bot.mastodon-api
   (:require
-   [clojure.spec.alpha :as s]
-   [clojure.spec.test.alpha :as st]
    [orchestra.core :refer-macros [defn-spec]]
    [clojure.string :as string]
+   [mastodon-bot.mastodon-domain :as m]
    [mastodon-bot.infra :as infra]
    ["request" :as request]
    ["mastodon-api" :as mastodon]))
 
-(s/def ::access_token string?)
-(s/def ::api_url string?)
-(s/def ::account-id string?)
-(s/def ::append-screen-name? boolean?)
-(s/def ::signature string?)
-(s/def ::sensitive? boolean?)
-(s/def ::media-only? boolean?)
-(s/def ::visibility #{"direct" "private" "unlisted" "public"})
-(s/def ::max-post-length (fn [n] (and
-                                 (int? n)
-                                 (<= n 500)
-                                 (> n 0))))
-(def mastodon-auth? (s/keys :req-un [::account-id ::access_token ::api_url]))
-(def mastodon-target? (s/keys :opt-un [::max-post-length 
-                                       ::signature 
-                                       ::visibility
-                                       ::append-screen-name? 
-                                       ::sensitive?
-                                       ::media-only?]))
-
 (def mastodon-target-defaults {:append-screen-name? false
                                :visibility "public"
                                :sensitive? true
                                :media-only? false
                                :max-post-length 300})
 
-(s/def ::created-at any?)
-(s/def ::text string?)
-(s/def ::media-links string?)
-
-(def mastodon-output?  (s/keys :req-un [::created-at ::text]
-                               :opt-un [::media-links]))
-
 (defn trim-text [text max-post-length]
   (cond
 
@@ -58,19 +30,19 @@
 
     :else text))
 
-(defn-spec max-post-length ::max-post-length
-  [target mastodon-target?]
+(defn-spec max-post-length ::m/max-post-length
+  [target m/mastodon-target?]
   (:max-post-length target))
 
 (defn-spec mastodon-client any?
-  [mastodon-auth mastodon-auth?]
+  [mastodon-auth m/mastodon-auth?]
   (or (some-> mastodon-auth 
        clj->js 
        mastodon.)
       (infra/exit-with-error "missing Mastodon auth configuration!")))
 
 (defn-spec delete-status any?
-  [mastodon-auth mastodon-auth?
+  [mastodon-auth m/mastodon-auth?
    status-id string?]
   (.delete (mastodon-client mastodon-auth) (str "statuses/" status-id) #js {}))
 
@@ -89,8 +61,8 @@
          (.then #(-> % callback))))))
 
 (defn-spec post-image any?
-  [mastodon-auth mastodon-auth?
-   target mastodon-target?
+  [mastodon-auth m/mastodon-auth?
+   target m/mastodon-target?
    image-stream any?
    description string?
    callback fn?]
@@ -119,8 +91,8 @@
      (post-status mastodon-auth target status-text (not-empty ids) callback))))
 
 (defn-spec post-items any?
-  [mastodon-auth mastodon-auth?
-   target mastodon-target?
+  [mastodon-auth m/mastodon-auth?
+   target m/mastodon-target?
    items any?]
   (doseq [{:keys [text media-links]} items]
     (if media-links
@@ -129,7 +101,7 @@
         (post-status mastodon-auth target text)))))
 
 (defn-spec get-mastodon-timeline any?
-  [mastodon-auth mastodon-auth?
+  [mastodon-auth m/mastodon-auth?
    callback fn?]
   (.then (.get (mastodon-client mastodon-auth)
                (str "accounts/" (:account-id mastodon-auth) "/statuses") #js {})
@@ -138,8 +110,8 @@
               (infra/exit-with-error error)
               (callback response)))))
 
-(defn-spec intermediate-to-mastodon mastodon-output?
-  [target mastodon-target?
+(defn-spec intermediate-to-mastodon m/mastodon-output?
+  [target m/mastodon-target?
    input any?]
   (let [target-with-defaults (merge mastodon-target-defaults
                                     target)
diff --git a/src/main/cljs/mastodon_bot/rss_api.cljs b/src/main/cljs/mastodon_bot/rss_api.cljs
new file mode 100755
index 0000000..17efb56
--- /dev/null
+++ b/src/main/cljs/mastodon_bot/rss_api.cljs
@@ -0,0 +1,24 @@
+(ns mastodon-bot.rss-api
+  (:require
+   [orchestra.core :refer-macros [defn-spec]]
+   [mastodon-bot.rss-domain :as rd]
+   ["rss-parser" :as rss]))
+
+(defn-spec rss-client any?
+  []
+  (rss.))
+
+(defn-spec parse-feed any?
+  [item ::rd/feed-item]  
+  (let [{:keys [title isoDate pubDate content link]} item]
+      {:created-at (js/Date. (or isoDate pubDate))
+       :text (str title
+                  "\n\n"
+                  link)}))
+
+(defn-spec get-feed map?
+  [url string?
+   callback fn?]
+  (print url)
+  (-> (.parseURL (rss-client) url)
+      (.then callback)))
diff --git a/src/main/mastodon_bot/transform.cljs b/src/main/cljs/mastodon_bot/transform.cljs
similarity index 54%
rename from src/main/mastodon_bot/transform.cljs
rename to src/main/cljs/mastodon_bot/transform.cljs
index db42f93..635f8b1 100644
--- a/src/main/mastodon_bot/transform.cljs
+++ b/src/main/cljs/mastodon_bot/transform.cljs
@@ -1,52 +1,19 @@
 (ns mastodon-bot.transform
   (:require
-   [clojure.spec.alpha :as s]
-   [clojure.spec.test.alpha :as st]
    [orchestra.core :refer-macros [defn-spec]]
    [clojure.string :as string]
    [mastodon-bot.infra :as infra]
-   [mastodon-bot.mastodon-api :as masto]
-   [mastodon-bot.twitter-api :as twitter]
-   [mastodon-bot.rss-api :as rss]
-   [mastodon-bot.tumblr-api :as tumblr]
+   [mastodon-bot.mastodon-domain :as md]
+   [mastodon-bot.mastodon-api :as ma]
+   [mastodon-bot.twitter-domain :as twd]
+   [mastodon-bot.twitter-api :as twa]
+   [mastodon-bot.rss-api :as ra]
+   [mastodon-bot.tumblr-domain :as td]
+   [mastodon-bot.tumblr-api :as ta]
+   [mastodon-bot.transform-domain :as trd]
    ["deasync" :as deasync]
    ["request" :as request]))
 
-(s/def ::created-at any?)
-(s/def ::text string?)
-(s/def ::untrimmed-text string?)
-(s/def ::media-links string?)
-(s/def ::screen_name string?)
-(def intermediate?  (s/keys :req-un [::created-at ::text ::screen_name]
-                     :opt-un [::media-links ::untrimmed-text]))
-
-(s/def ::source-type #{:twitter :rss :tumblr})
-(s/def ::resolve-urls? boolean?)
-(s/def ::content-filter string?)
-(s/def ::content-filters (s/* ::content-filter))
-(s/def ::keyword-filter string?)
-(s/def ::keyword-filters (s/* ::keyword-filter))
-(s/def ::replacements any?)
-(defmulti source-type :source-type)
-(defmethod source-type :twitter [_]
-  (s/merge (s/keys :req-un[::source-type]) twitter/twitter-source?))
-(defmethod source-type :rss [_]
-  (s/merge (s/keys :req-un [::source-type]) rss/rss-source?))
-(defmethod source-type :tumblr [_]
-  (s/merge (s/keys :req-un [::source-type]) tumblr/tumblr-source?))
-(s/def ::source (s/multi-spec source-type ::source-type))
-
-(s/def ::target-type #{:mastodon})
-(defmulti target-type :target-type)
-(defmethod target-type :mastodon [_]
-  (s/merge (s/keys :req-un [::target-type]) masto/mastodon-target?))
-(s/def ::target (s/multi-spec target-type ::target-type))
-
-(s/def ::transformation (s/keys :req-un [::source ::target]
-                                :opt-un [::resolve-urls? ::content-filters ::keyword-filters 
-                                         ::replacements]))
-(def transformations? (s/* ::transformation))
-
 (defn resolve-url [[uri]]
   (try
     (or
@@ -62,60 +29,60 @@
 
 (def shortened-url-pattern #"(https?://)?(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?")
 
-(defn-spec intermediate-resolve-urls intermediate?
-  [resolve-urls? ::resolve-urls?
-   input intermediate?]
+(defn-spec intermediate-resolve-urls trd/intermediate?
+  [resolve-urls? ::trd/resolve-urls?
+   input trd/intermediate?]
   (if resolve-urls?
     (update input :text #(string/replace % shortened-url-pattern resolve-url))
     input))
 
-(defn-spec content-filter-regexes ::content-filters
-  [transformation ::transformation]
+(defn-spec content-filter-regexes ::trd/content-filters
+  [transformation ::trd/transformation]
   (mapv re-pattern (:content-filters transformation)))
 
-(defn-spec keyword-filter-regexes ::keyword-filters
-  [transformation ::transformation]
+(defn-spec keyword-filter-regexes ::trd/keyword-filters
+  [transformation ::trd/transformation]
   (mapv re-pattern (:keyword-filters transformation)))
 
 (defn-spec blocked-content? boolean?
-  [transformation ::transformation
+  [transformation ::trd/transformation
    text string?]
   (boolean
    (or (some #(re-find % text) (content-filter-regexes transformation))
        (when (not-empty (keyword-filter-regexes transformation))
          (empty? (some #(re-find % text) (keyword-filter-regexes transformation)))))))
 
-(defn-spec perform-replacements intermediate?
-  [transformation ::transformation
-   input intermediate?]
+(defn-spec perform-replacements trd/intermediate?
+  [transformation ::trd/transformation
+   input trd/intermediate?]
   (update input :text #(reduce-kv string/replace % (:replacements transformation))))
 
 (defn-spec post-tweets-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [source target resolve-urls?]} transformation]
     (fn [error tweets response]
       (if error
         (infra/exit-with-error error)
         (->> (infra/js->edn tweets)
-             (map twitter/parse-tweet)
+             (map twa/parse-tweet)
              (filter #(> (:created-at %) last-post-time))
              (remove #(blocked-content? transformation (:text %)))
              (map #(intermediate-resolve-urls resolve-urls? %))
-             (map #(twitter/nitter-url source %))
+             (map #(twa/nitter-url source %))
              (map #(perform-replacements transformation %))
-             (map #(masto/intermediate-to-mastodon target %))
-             (masto/post-items mastodon-auth target))))))
+             (map #(ma/intermediate-to-mastodon target %))
+             (ma/post-items mastodon-auth target))))))
 
 (defn-spec tweets-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   twitter-auth twitter/twitter-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   twitter-auth twd/twitter-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [source target resolve-urls?]} transformation]
     (doseq [account (:accounts source)]
-      (twitter/user-timeline
+      (twa/user-timeline
        twitter-auth
        source
        account
@@ -125,8 +92,8 @@
         last-post-time)))))
 
 (defn-spec post-tumblr-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [source target resolve-urls?]} transformation]
     (fn [error tweets response]
@@ -134,21 +101,21 @@
         (infra/exit-with-error error)
         (->> (infra/js->edn tweets)
              :posts
-             (mapv tumblr/parse-tumblr-post)
+             (mapv ta/parse-tumblr-post)
              (filter #(> (:created-at %) last-post-time))             
              (remove #(blocked-content? transformation (:text %)))
              (map #(perform-replacements transformation %))
-             (map #(masto/intermediate-to-mastodon target %))
-             (masto/post-items mastodon-auth target))))))
+             (map #(ma/intermediate-to-mastodon target %))
+             (ma/post-items mastodon-auth target))))))
 
 (defn-spec tumblr-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   tumblr-auth tumblr/tumblr-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   tumblr-auth td/tumblr-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [accounts limit]} transformation]
     (doseq [account accounts]
-      (let [client (tumblr/tumblr-client tumblr-auth account)]
+      (let [client (ta/tumblr-client tumblr-auth account)]
         (.posts client 
                 #js {:limit (or limit 5)}
                 (post-tumblr-to-mastodon
@@ -158,29 +125,29 @@
                 )))))
 
 (defn-spec post-rss-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [source target resolve-urls?]} transformation]
     (fn [payload]
       (->> (infra/js->edn payload)
            (:items)
-           (map rss/parse-feed)
+           (map ra/parse-feed)
            (filter #(> (:created-at %) last-post-time))
            (remove #(blocked-content? transformation (:text %)))
            (map #(intermediate-resolve-urls resolve-urls? %))
            (map #(perform-replacements transformation %))
-           (map #(masto/intermediate-to-mastodon target %))
-           (masto/post-items mastodon-auth target)))))
+           (map #(ma/intermediate-to-mastodon target %))
+           (ma/post-items mastodon-auth target)))))
 
 
 (defn-spec rss-to-mastodon any?
-  [mastodon-auth masto/mastodon-auth?
-   transformation ::transformation
+  [mastodon-auth md/mastodon-auth?
+   transformation ::trd/transformation
    last-post-time any?]
   (let [{:keys [source target]} transformation]
     (doseq [[name url] (:feeds source)]
-      (rss/get-feed
+      (ra/get-feed
        url
        (post-rss-to-mastodon
         mastodon-auth
diff --git a/src/main/mastodon_bot/tumblr_api.cljs b/src/main/cljs/mastodon_bot/tumblr_api.cljs
similarity index 62%
rename from src/main/mastodon_bot/tumblr_api.cljs
rename to src/main/cljs/mastodon_bot/tumblr_api.cljs
index 6af87e6..bb79784 100755
--- a/src/main/mastodon_bot/tumblr_api.cljs
+++ b/src/main/cljs/mastodon_bot/tumblr_api.cljs
@@ -1,27 +1,14 @@
 (ns mastodon-bot.tumblr-api
   (:require
-   [clojure.spec.alpha :as s]
-   [clojure.spec.test.alpha :as st]
    [orchestra.core :refer-macros [defn-spec]]
    [clojure.string :as string]
+   [mastodon-bot.tumblr-domain :as td]
    [mastodon-bot.infra :as infra]
    ["tumblr" :as tumblr]
    ))
 
-(s/def ::consumer_key string?)
-(s/def ::consumer_secret string?)
-(s/def ::token string?)
-(s/def ::token_secret string?)
-(def tumblr-auth? (s/keys :req-un [::consumer_key ::consumer_secret ::token
-                                    ::token_secret]))
-
-(s/def ::limit pos?)
-(s/def ::account string?)
-(s/def ::accounts (s/* ::account))
-(def tumblr-source?  (s/keys :req-un [::limit ::accounts]))
-
 (defn-spec tumblr-client any?
-  [access-keys tumblr-auth?
+  [access-keys td/tumblr-auth?
    account string?]
   (try
     (tumblr/Blog. account (clj->js access-keys))
diff --git a/src/main/mastodon_bot/twitter_api.cljs b/src/main/cljs/mastodon_bot/twitter_api.cljs
similarity index 70%
rename from src/main/mastodon_bot/twitter_api.cljs
rename to src/main/cljs/mastodon_bot/twitter_api.cljs
index c6d8564..2d66dd2 100755
--- a/src/main/mastodon_bot/twitter_api.cljs
+++ b/src/main/cljs/mastodon_bot/twitter_api.cljs
@@ -1,30 +1,15 @@
 (ns mastodon-bot.twitter-api
   (:require
    [clojure.spec.alpha :as s]
-   [clojure.spec.test.alpha :as st]
    [orchestra.core :refer-macros [defn-spec]]
    [clojure.string :as string]
    ["twitter" :as twitter]
    [mastodon-bot.infra :as infra]
+   [mastodon-bot.twitter-domain :as td]
    ))
 
-(s/def ::consumer_key string?)
-(s/def ::consumer_secret string?)
-(s/def ::access_token_key string?)
-(s/def ::access_token_secret string?)
-(def twitter-auth? (s/keys :req-un [::consumer_key ::consumer_secret ::access_token_key 
-                                      ::access_token_secret]))
-
-(s/def ::include-rts? boolean?)
-(s/def ::include-replies? boolean?)
-(s/def ::nitter-urls? boolean?)
-(s/def ::account string?)
-(s/def ::accounts (s/* ::account))
-(def twitter-source?  (s/keys :req-un [::include-rts? ::include-replies? ::accounts]
-                              :opt-un [::nitter-urls?]))
-
 (defn-spec twitter-client any?
-  [twitter-auth twitter-auth?]
+  [twitter-auth td/twitter-auth?]
   (try
     (twitter. (clj->js twitter-auth))
     (catch js/Error e
@@ -52,16 +37,16 @@
    :media-links (keep #(when (= (:type %) "photo") (:media_url_https %)) media)})
 
 (defn-spec nitter-url map?
-  [source twitter-source?
+  [source td/twitter-source?
    parsed-tweet map?]
   (if (:nitter-urls? source)
     (update parsed-tweet :text #(string/replace % #"https://twitter.com" "https://nitter.net"))
     parsed-tweet))
 
 (defn-spec user-timeline any?
-  [twitter-auth twitter-auth?
-   source twitter-source?
-   account ::account
+  [twitter-auth td/twitter-auth?
+   source td/twitter-source?
+   account ::td/account
    callback fn?]
   (let [{:keys [include-rts? include-replies?]} source]
     (.get (twitter-client twitter-auth)
diff --git a/src/main/mastodon_bot/rss_api.cljs b/src/main/mastodon_bot/rss_api.cljs
deleted file mode 100755
index 466b80d..0000000
--- a/src/main/mastodon_bot/rss_api.cljs
+++ /dev/null
@@ -1,40 +0,0 @@
-(ns mastodon-bot.rss-api
-  (:require
-   [clojure.spec.alpha :as s]
-   [clojure.spec.test.alpha :as st]
-   [orchestra.core :refer-macros [defn-spec]]   
-   ["rss-parser" :as rss]
-   [mastodon-bot.infra :as infra]
-   ))
-
-(s/def ::feed (s/cat :name string? :url string?))
-(s/def ::feeds (s/coll-of ::feed))
-(def rss-source?  (s/keys :req-un [::feeds]))
-
-(s/def ::title string?)
-(s/def ::content string?)
-(s/def ::link string?)
-(s/def ::author string?)
-(s/def ::isoDate string?)
-(s/def ::pubDate string?)
-(s/def ::feed-item (s/keys :req-un [::title ::content ::link]
-                           :opt-un [::author ::isoDate ::pubDate]))
-
-(defn-spec rss-client any?
-  []
-  (rss.))
-
-(defn-spec parse-feed any?
-  [item ::feed-item]  
-  (let [{:keys [title isoDate pubDate content link]} item]
-      {:created-at (js/Date. (or isoDate pubDate))
-       :text (str title
-                  "\n\n"
-                  link)}))
-
-(defn-spec get-feed map?
-  [url string?
-   callback fn?]
-  (print url)
-  (-> (.parseURL (rss-client) url)
-      (.then callback)))
diff --git a/src/test/cljc/mastodon_bot/rss_domain_test.cljc b/src/test/cljc/mastodon_bot/rss_domain_test.cljc
new file mode 100755
index 0000000..e20744a
--- /dev/null
+++ b/src/test/cljc/mastodon_bot/rss_domain_test.cljc
@@ -0,0 +1,11 @@
+(ns mastodon-bot.rss-domain-test
+  (:require
+   [cljs.test :refer-macros [deftest is testing run-tests]]
+   [clojure.spec.alpha :as s]
+   [mastodon-bot.rss-domain :as sut]
+   ))
+
+(deftest test-spec
+  (is (s/valid? sut/rss-source?
+                {:feeds [["correctiv-blog" "https://news.correctiv.org/news/rss.php"]]}
+                )))
diff --git a/src/test/mastodon_bot/transform_test.cljs b/src/test/cljc/mastodon_bot/transform_domain_test.cljs
similarity index 56%
rename from src/test/mastodon_bot/transform_test.cljs
rename to src/test/cljc/mastodon_bot/transform_domain_test.cljs
index dcb4df8..5958869 100755
--- a/src/test/mastodon_bot/transform_test.cljs
+++ b/src/test/cljc/mastodon_bot/transform_domain_test.cljs
@@ -1,12 +1,8 @@
-(ns mastodon-bot.transform-test
+(ns mastodon-bot.transform-domain-test
   (:require
    [cljs.test :refer-macros [deftest is testing run-tests]]
    [clojure.spec.alpha :as s]
-   [cljs.reader :as edn]
-   ["fs" :as fs]
-   [mastodon-bot.core :as core]
-   [mastodon-bot.twitter-api :as twitter]
-   [mastodon-bot.transform :as sut]
+   [mastodon-bot.transform-domain :as sut]
    ))
 
 (deftest test-spec
@@ -28,14 +24,3 @@
                   :resolve-urls? true
                   :content-filters [".*bannedsite.*"]
                   :keyword-filters [".*"]}])))
-
-(defn readfile [filename]
-  (-> filename (fs/readFileSync #js {:encoding "UTF-8"}) edn/read-string))
-
-(def testconfig (readfile "test.edn"))
-
-(deftest test-replacements
-  (is (=
-    "💠 Check out what has been going on during March in the world of @ReproBuilds! 💠 https://t.co/k6NsSO115z @opensuse@fosstodon.org @conservancy@mastodon.technology @PrototypeFund@mastodon.social @debian@fosstodon.org "
-    (:text (sut/perform-replacements (first (:transform testconfig)) (twitter/parse-tweet (readfile "testdata/twitter/tweet-mentions.edn"))))
-    )))
\ No newline at end of file
diff --git a/src/test/mastodon_bot/mastodon_api_test.cljs b/src/test/cljs/mastodon_bot/mastodon_api_test.cljs
similarity index 98%
rename from src/test/mastodon_bot/mastodon_api_test.cljs
rename to src/test/cljs/mastodon_bot/mastodon_api_test.cljs
index 859736e..c3f8df4 100755
--- a/src/test/mastodon_bot/mastodon_api_test.cljs
+++ b/src/test/cljs/mastodon_bot/mastodon_api_test.cljs
@@ -1,7 +1,6 @@
 (ns mastodon-bot.mastodon-api-test
   (:require
    [cljs.test :refer-macros [deftest is testing run-tests]]
-   [clojure.spec.alpha :as s]
    [mastodon-bot.mastodon-api :as sut]
    ))
 
diff --git a/src/test/mastodon_bot/rss_api_test.cljs b/src/test/cljs/mastodon_bot/rss_api_test.cljs
similarity index 93%
rename from src/test/mastodon_bot/rss_api_test.cljs
rename to src/test/cljs/mastodon_bot/rss_api_test.cljs
index 18e996e..2cfe874 100755
--- a/src/test/mastodon_bot/rss_api_test.cljs
+++ b/src/test/cljs/mastodon_bot/rss_api_test.cljs
@@ -1,15 +1,9 @@
 (ns mastodon-bot.rss-api-test
   (:require
    [cljs.test :refer-macros [deftest is testing run-tests]]
-   [clojure.spec.alpha :as s]
    [mastodon-bot.rss-api :as sut]
    ))
 
-(deftest test-spec
-  (is (s/valid? sut/rss-source?
-                {:feeds [["correctiv-blog" "https://news.correctiv.org/news/rss.php"]]}
-                )))
-
 (def reddit-feed-item {:title "Datahike release 0.3.1"
                        :link
                        "https://www.reddit.com/r/Clojure/comments/hfxotu/datahike_release_031/"
diff --git a/src/test/mastodon_bot/transform_rss_test.cljs b/src/test/cljs/mastodon_bot/transform_rss_test.cljs
similarity index 100%
rename from src/test/mastodon_bot/transform_rss_test.cljs
rename to src/test/cljs/mastodon_bot/transform_rss_test.cljs
diff --git a/src/test/cljs/mastodon_bot/transform_test.cljs b/src/test/cljs/mastodon_bot/transform_test.cljs
new file mode 100755
index 0000000..95cb03b
--- /dev/null
+++ b/src/test/cljs/mastodon_bot/transform_test.cljs
@@ -0,0 +1,19 @@
+(ns mastodon-bot.transform-test
+  (:require
+   [cljs.test :refer-macros [deftest is testing run-tests]]
+   [cljs.reader :as edn]
+   ["fs" :as fs]
+   [mastodon-bot.twitter-api :as twitter]
+   [mastodon-bot.transform :as sut]
+   ))
+
+(defn readfile [filename]
+  (-> filename (fs/readFileSync #js {:encoding "UTF-8"}) edn/read-string))
+
+(def testconfig (readfile "test.edn"))
+
+(deftest test-replacements
+  (is (=
+    "💠 Check out what has been going on during March in the world of @ReproBuilds! 💠 https://t.co/k6NsSO115z @opensuse@fosstodon.org @conservancy@mastodon.technology @PrototypeFund@mastodon.social @debian@fosstodon.org "
+    (:text (sut/perform-replacements (first (:transform testconfig)) (twitter/parse-tweet (readfile "testdata/twitter/tweet-mentions.edn"))))
+    )))
\ No newline at end of file
diff --git a/src/test/mastodon_bot/twitter_api_test.cljs b/src/test/cljs/mastodon_bot/twitter_api_test.cljs
similarity index 100%
rename from src/test/mastodon_bot/twitter_api_test.cljs
rename to src/test/cljs/mastodon_bot/twitter_api_test.cljs