diff --git a/.gitignore b/.gitignore
index ae3fdc2..f95080a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,6 @@
 /.bundle/
-/.yardoc
 /Gemfile.lock
-/_yardoc/
-/coverage/
-/doc/
-/pkg/
-/spec/reports/
 /tmp/
 *.bundle
-*.so
-*.o
-*.a
-mkmf.log
+*.map
+.sass-cache
diff --git a/lib/librarix.rb b/lib/librarix.rb
index 7e056be..528deb5 100644
--- a/lib/librarix.rb
+++ b/lib/librarix.rb
@@ -1,5 +1,15 @@
-require "librarix/version"
+require 'librarix/version'
+require 'librarix/redis'
+require 'librarix/redis/movie'
+
+require 'librarix/application'
 
 module Librarix
-  # Your code goes here...
+  def self.redis
+    @redis ||= Librarix::Redis.new(::Redis.new)
+  end
+
+  def self.redis=(connection, namespace: 'librarix')
+    @redis = Librarix::Redis.new(connection, namespace: namespace)
+  end
 end
diff --git a/lib/librarix/application.rb b/lib/librarix/application.rb
new file mode 100644
index 0000000..06ab228
--- /dev/null
+++ b/lib/librarix/application.rb
@@ -0,0 +1,42 @@
+require 'librarix/the_movie_db'
+
+require 'sinatra/base'
+require 'sinatra/content_for'
+require 'sinatra/json'
+
+require 'yaml'
+require 'slim'
+require 'themoviedb'
+
+module Librarix
+  class Application < Sinatra::Application
+    helpers Librarix::TheMovieDB
+
+    get '/' do
+      slim :index, locals: {movies: Librarix::Redis::Movie.all.sort_by(&:release_date).reverse}
+    end
+
+    get '/search' do
+      movies = params.key?('search') ? Tmdb::Movie.find(params['search']) : Tmdb::Movie.popular.map { |m| Tmdb::Movie.new(m) }
+      slim :search, locals: {movies: movies, conf: Tmdb::Configuration.new}
+    end
+
+    post '/add' do
+      id = params[:id].to_i
+      movie = Tmdb::Movie.detail(id)
+
+      if movie['status_code'] == 34
+      elsif Librarix::Redis::Movie.new(id).added?
+      else
+        Librarix::Redis::Movie.new(id).add
+      end
+      redirect to('/')
+    end
+
+    post '/remove' do
+      Librarix::Redis::Movie.new(params[:id]).remove
+
+      redirect to('/')
+    end
+  end
+end
diff --git a/lib/librarix/assets/application.scss b/lib/librarix/assets/application.scss
new file mode 100644
index 0000000..9fdbbea
--- /dev/null
+++ b/lib/librarix/assets/application.scss
@@ -0,0 +1,35 @@
+body {
+  margin: 0;
+}
+
+h2 {
+  margin-top: 0;
+}
+
+ul {
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  li {
+    padding: 10px;
+
+    display: flex;
+    flex-flow: row wrap;
+    align-items: center;
+    justify-content: center;
+
+    .poster {
+      margin-right: 10px;
+    }
+
+    .informations {
+      align-self: flex-start;
+      flex: 1 1 300px;
+    }
+  }
+
+  li:nth-child(even) {
+    background-color: #f4f4f4;
+  }
+}
diff --git a/lib/librarix/public/application.css b/lib/librarix/public/application.css
new file mode 100644
index 0000000..06fab10
--- /dev/null
+++ b/lib/librarix/public/application.css
@@ -0,0 +1 @@
+body{margin:0}h2{margin-top:0}ul{list-style-type:none;margin:0;padding:0}ul li{padding:10px;display:flex;flex-flow:row wrap;align-items:center;justify-content:center}ul li .poster{margin-right:10px}ul li .informations{align-self:flex-start;flex:1 1 300px}ul li:nth-child(even){background-color:#f4f4f4}
diff --git a/lib/librarix/public/application.js b/lib/librarix/public/application.js
new file mode 100644
index 0000000..5ddd9e1
--- /dev/null
+++ b/lib/librarix/public/application.js
@@ -0,0 +1,2 @@
+document.addEventListener('DOMContentLoaded', function(event) {
+});
diff --git a/lib/librarix/redis.rb b/lib/librarix/redis.rb
new file mode 100644
index 0000000..98510bf
--- /dev/null
+++ b/lib/librarix/redis.rb
@@ -0,0 +1,49 @@
+require 'redis'
+
+module Librarix
+  class Redis
+    TTL = 10800
+
+    attr_reader :connection, :namespace
+
+    def initialize(connection, namespace:)
+      @connection = connection
+      @namespace = namespace
+    end
+
+    def exist?(key)
+      exists key
+    end
+
+    def keys(pattern)
+      @connection.keys("#{prefix}#{pattern}").map { |key| key.sub(prefix, '') }
+    end
+
+    def fetch(key, options = {})
+      if options[:force] || (!exist?(key) && block_given?)
+        value = yield
+        set key, value
+        expire key, TTL if options.key?(:ttl) && options[:ttl]
+
+        value
+      else
+        get key
+      end
+    end
+
+    def respond_to?(name, include_all = false)
+      super || @connection.respond_to?(name, include_all)
+    end
+
+    def method_missing(name, *args, &block)
+      return super unless @connection.respond_to?(name)
+      @connection.send(name, "#{prefix}#{args.shift}", *args)
+    end
+
+    private
+
+    def prefix
+      "#{namespace}:"
+    end
+  end
+end
diff --git a/lib/librarix/redis/movie.rb b/lib/librarix/redis/movie.rb
new file mode 100644
index 0000000..42305b7
--- /dev/null
+++ b/lib/librarix/redis/movie.rb
@@ -0,0 +1,44 @@
+module Librarix
+  class Redis
+    class Movie
+      attr_reader :id
+
+      def self.all
+        Array(Librarix.redis.smembers('movies_id')).map { |id| new(id).fetch }
+      end
+
+      def initialize(id)
+        @id = id.to_i
+      end
+
+      def add
+        Librarix.redis.sadd('movies_id', id)
+        fetch
+      end
+
+      def added?
+        Librarix.redis.sismember('movies_id', id)
+      end
+
+      def fetch(force = false)
+        data = JSON.parse(Librarix.redis.fetch("movie:#{id}", force: force) do
+          Tmdb::Movie.detail(id).to_json
+        end)
+
+        Tmdb::Movie.new(data)
+      end
+
+      def update
+        fetch(true)
+      end
+
+      def remove
+        Librarix.redis.del("movie:#{id}")
+        Librarix.redis.srem('movies_id', id)
+      end
+
+      def view
+      end
+    end
+  end
+end
diff --git a/lib/librarix/the_movie_db.rb b/lib/librarix/the_movie_db.rb
new file mode 100644
index 0000000..8928cc1
--- /dev/null
+++ b/lib/librarix/the_movie_db.rb
@@ -0,0 +1,33 @@
+require 'themoviedb'
+
+module Librarix
+  module TheMovieDB
+    def poster_url(path, size = 'w92')
+      base_url = Librarix.redis.fetch('base_url', ttl: true) do
+        Tmdb::Configuration.new.base_url
+      end
+
+      "#{base_url}#{size}#{path}"
+    end
+
+    def movie(id)
+      Librarix::Redis::Movie.new(id).fetch
+    end
+
+    module Movie
+      def release_date
+        @_release_date ||= Date.parse(super) unless super.nil?
+      end
+
+      def release_year
+        release_date.year unless release_date.nil?
+      end
+
+      def added?
+        Librarix::Redis::Movie.new(id).added?
+      end
+    end
+  end
+end
+
+Tmdb::Movie.prepend Librarix::TheMovieDB::Movie
diff --git a/lib/librarix/views/application.js b/lib/librarix/views/application.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/librarix/views/index.slim b/lib/librarix/views/index.slim
new file mode 100644
index 0000000..2584fa6
--- /dev/null
+++ b/lib/librarix/views/index.slim
@@ -0,0 +1,6 @@
+- content_for(:title) { 'Index' }
+
+ul
+  - movies.each do |movie|
+    li
+      == slim :movie, locals: {movie: movie}
diff --git a/lib/librarix/views/layout.slim b/lib/librarix/views/layout.slim
new file mode 100644
index 0000000..b51492e
--- /dev/null
+++ b/lib/librarix/views/layout.slim
@@ -0,0 +1,11 @@
+doctype html
+html
+  head
+    title = yield_content :title
+    meta charset="utf-8"
+    meta name="viewport" content="initial-scale=1.0, user-scalable=yes"
+    link rel="stylesheet" media="all" href="/application.css"
+    script type="text/javascript" src="/application.js"
+  body
+    div#main
+      == yield
diff --git a/lib/librarix/views/movie.slim b/lib/librarix/views/movie.slim
new file mode 100644
index 0000000..af8e1d3
--- /dev/null
+++ b/lib/librarix/views/movie.slim
@@ -0,0 +1,16 @@
+.poster
+  - if movie.poster_path
+    img src="#{poster_url(movie.poster_path, 'w154')}"
+.informations
+  h2
+    a href="https://www.themoviedb.org/movie/#{movie.id}" #{movie.original_title} (#{movie.release_year})
+  p = movie.overview
+.actions
+  - if movie.added?
+    form method="post" action="/remove"
+      input type="hidden" name="id" value="#{movie.id}"
+      button type="submit" Remove
+  - else
+    form method="post" action="/add"
+      input type="hidden" name="id" value="#{movie.id}"
+      button type="submit" Add
diff --git a/lib/librarix/views/search.slim b/lib/librarix/views/search.slim
new file mode 100644
index 0000000..33360a8
--- /dev/null
+++ b/lib/librarix/views/search.slim
@@ -0,0 +1,10 @@
+- content_for(:title) { 'Search' }
+
+form method="get" action="/search"
+  input type="text" name="search" value="#{params['search']}"
+  input type="submit"
+
+ul
+  - movies.each do |movie|
+    li
+      == slim :movie, locals: {movie: movie}
diff --git a/librarix.gemspec b/librarix.gemspec
index ed30211..1d30f04 100644
--- a/librarix.gemspec
+++ b/librarix.gemspec
@@ -8,8 +8,8 @@ Gem::Specification.new do |spec|
   spec.version       = Librarix::VERSION
   spec.authors       = ["Guillaume Dott"]
   spec.email         = ["guillaume+github@dott.fr"]
-  spec.summary       = %q{TODO: Write a short summary. Required.}
-  spec.description   = %q{TODO: Write a longer description. Optional.}
+  spec.summary       = %q{A simple webapp to manage your collections}
+  spec.description   = %q{Manage all your collections in your browser and automatically fetch infos from TheMovieDB}
   spec.homepage      = ""
   spec.license       = "MIT"
 
@@ -18,6 +18,12 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  spec.add_dependency "sinatra", '~> 1.4'
+  spec.add_dependency "sinatra-contrib", '~> 1.4'
+  spec.add_dependency "slim", '~> 3.0'
+  spec.add_dependency "redis", '~> 3.2'
+  spec.add_dependency "themoviedb", '~> 0.1'
+
   spec.add_development_dependency "bundler", "~> 1.7"
   spec.add_development_dependency "rake", "~> 10.0"
 end