diff --git a/app/AppLoader.scala b/app/AppLoader.scala
index e0535437b2..3ca49bc5af 100644
--- a/app/AppLoader.scala
+++ b/app/AppLoader.scala
@@ -93,6 +93,7 @@ final class LilaComponents(ctx: ApplicationLoader.Context)
   lazy val lobby: Lobby                   = wire[Lobby]
   lazy val main: Main                     = wire[Main]
   lazy val message: Message               = wire[Message]
+  lazy val msg: Msg                       = wire[Msg]
   lazy val mod: Mod                       = wire[Mod]
   lazy val notifyC: Notify                = wire[Notify]
   lazy val oAuthApp: OAuthApp             = wire[OAuthApp]
diff --git a/app/Env.scala b/app/Env.scala
index 4c8f07ae02..8b06a12c55 100644
--- a/app/Env.scala
+++ b/app/Env.scala
@@ -22,6 +22,7 @@ final class Env(
     val socket: lila.socket.Env,
     val memo: lila.memo.Env,
     val message: lila.message.Env,
+    val msg: lila.msg.Env,
     val i18n: lila.i18n.Env,
     val game: lila.game.Env,
     val bookmark: lila.bookmark.Env,
@@ -179,6 +180,7 @@ final class EnvBoot(
   lazy val hub: lila.hub.Env                 = wire[lila.hub.Env]
   lazy val socket: lila.socket.Env           = wire[lila.socket.Env]
   lazy val message: lila.message.Env         = wire[lila.message.Env]
+  lazy val msg: lila.msg.Env                 = wire[lila.msg.Env]
   lazy val i18n: lila.i18n.Env               = wire[lila.i18n.Env]
   lazy val game: lila.game.Env               = wire[lila.game.Env]
   lazy val bookmark: lila.bookmark.Env       = wire[lila.bookmark.Env]
diff --git a/app/controllers/Msg.scala b/app/controllers/Msg.scala
new file mode 100644
index 0000000000..cfa8b9a883
--- /dev/null
+++ b/app/controllers/Msg.scala
@@ -0,0 +1,24 @@
+package controllers
+
+import play.api.libs.json._
+
+import lila.app._
+import lila.common.LightUser.lightUserWrites
+
+final class Msg(
+    env: Env
+) extends LilaController(env) {
+
+  def home = Auth { implicit ctx => me =>
+    env.msg.api.threads(me) flatMap env.msg.json.threads(me) map { threads =>
+      Ok(
+        views.html.msg.home(
+          Json.obj(
+            "me"      -> me.light,
+            "threads" -> threads
+          )
+        )
+      )
+    }
+  }
+}
diff --git a/app/controllers/Team.scala b/app/controllers/Team.scala
index f009b5090f..672fb07f36 100644
--- a/app/controllers/Team.scala
+++ b/app/controllers/Team.scala
@@ -6,7 +6,6 @@ import play.api.mvc._
 import lila.api.Context
 import lila.app._
 import lila.common.config.MaxPerSecond
-import lila.common.HTTPRequest
 import lila.hub.LightTeam
 import lila.security.Granter
 import lila.team.{ Joined, Motivate, Team => TeamModel }
diff --git a/app/views/msg.scala b/app/views/msg.scala
new file mode 100644
index 0000000000..3ca66d3cb2
--- /dev/null
+++ b/app/views/msg.scala
@@ -0,0 +1,38 @@
+package views.html
+
+import play.api.libs.json._
+
+import lila.api.Context
+import lila.app.templating.Environment._
+import lila.app.ui.ScalatagsTemplate._
+import lila.common.String.html.safeJsonValue
+
+object msg {
+
+  def home(json: JsObject)(implicit ctx: Context) =
+    views.html.base.layout(
+      moreCss = frag(cssTag("msg")),
+      moreJs = frag(
+        jsAt(s"compiled/lichess.msg${isProd ?? (".min")}.js"),
+        embedJsUnsafe(
+          s"""LichessMsg.app(document.querySelector('.msg-app'), ${safeJsonValue(
+            Json.obj(
+              "data" -> json,
+              "i18n" -> jsI18n
+            )
+          )})"""
+        )
+      ),
+      title = "Lichess Inbox"
+    ) {
+      main(cls := "page box msg-app")(
+        "loading"
+      )
+    }
+
+  def jsI18n(implicit ctx: Context) = i18nJsObject(translations)
+
+  private val translations = List(
+    trans.inbox
+  )
+}
diff --git a/bin/mongodb/msg_import.js b/bin/mongodb/msg_import.js
index b6affd84d1..ec760a7600 100644
--- a/bin/mongodb/msg_import.js
+++ b/bin/mongodb/msg_import.js
@@ -1,8 +1,8 @@
 db.msg_msg.remove({});
 db.msg_thread.remove({});
 
-print("Create db.m_thread_sorted");
-if (true) {
+if (false) {
+  print("Create db.m_thread_sorted");
   db.m_thread_sorted.drop();
   db.m_thread.find({visibleByUserIds:{$size:2}}).forEach(t => {
     t.visibleByUserIds.sort();
@@ -17,25 +17,35 @@ db.m_thread_sorted.aggregate([
 
   let first = o.threads[0];
 
-  let posts = [];
+  let msgs = [];
 
-  o.posts.forEach(ps => {
-    ps.forEach(p => posts.push);
+  o.threads.forEach(t => {
+    t.posts.forEach(p => {
+      msgs.push({
+        _id: p.id,
+        thread: first._id,
+        text: p.text,
+        user: p.isByCreator ? t.creatorId : t.invitedId,
+        date: p.createdAt
+      });
+    });
   });
 
-  posts.sort((a,b) => new Date(b.createdAt) - new Date(a.createdAt));
+  msgs.sort((a,b) => new Date(b.date) - new Date(a.date));
 
-  let msgs = posts.map(p => ({
-    _id: p.id,
-    text: p.text,
-    date: p.createdAt,
-    read: p.isRead
-  }));
+  let last = msgs[msgs.length - 1];
 
   let thread = {
     _id: first._id,
     users: o._id.sort(),
-    lastMsg: lastMsg
+    lastMsg: {
+      text: last.text.slice(0, 50),
+      user: last.user,
+      date: last.date,
+      read: !o.threads.find(t => t.posts.find(p => p.isRead))
+    }
   }
 
+  db.msg_thread.insert(thread);
+  db.msg_msg.insertMany(msgs, {ordered: false});
 });
diff --git a/conf/routes b/conf/routes
index 5eb8bb0258..34ec42f446 100644
--- a/conf/routes
+++ b/conf/routes
@@ -415,14 +415,17 @@ POST  /forum/post/:id                  controllers.ForumPost.edit(id: String)
 GET   /forum/redirect/post/:id         controllers.ForumPost.redirect(id: String)
 
 # Message
-GET   /inbox                           controllers.Message.inbox(page: Int ?= 1)
-GET   /inbox/new                       controllers.Message.form
-GET   /inbox/unread-count              controllers.Message.unreadCount
-POST  /inbox/new                       controllers.Message.create
-POST  /inbox/batch                     controllers.Message.batch
-GET   /inbox/$id<\w{8}>                controllers.Message.thread(id: String)
-POST  /inbox/$id<\w{8}>                controllers.Message.answer(id: String)
-POST  /inbox/$id<\w{8}>/delete         controllers.Message.delete(id: String)
+GET   /old/inbox                           controllers.Message.inbox(page: Int ?= 1)
+GET   /old/inbox/new                       controllers.Message.form
+GET   /old/inbox/unread-count              controllers.Message.unreadCount
+POST  /old/inbox/new                       controllers.Message.create
+POST  /old/inbox/batch                     controllers.Message.batch
+GET   /old/inbox/$id<\w{8}>                controllers.Message.thread(id: String)
+POST  /old/inbox/$id<\w{8}>                controllers.Message.answer(id: String)
+POST  /old/inbox/$id<\w{8}>/delete         controllers.Message.delete(id: String)
+
+# Message
+GET   /inbox                               controllers.Msg.home
 
 # Coach
 GET   /coach                           controllers.Coach.allDefault(page: Int ?= 1)
diff --git a/modules/msg/src/main/BsonHandlers.scala b/modules/msg/src/main/BsonHandlers.scala
index 6e108e02d0..537c246a29 100644
--- a/modules/msg/src/main/BsonHandlers.scala
+++ b/modules/msg/src/main/BsonHandlers.scala
@@ -1,6 +1,7 @@
 package lila.msg
 
 import lila.db.dsl._
+import lila.db.BSON
 import reactivemongo.api.bson._
 
 private[msg] object BsonHandlers {
@@ -9,7 +10,24 @@ private[msg] object BsonHandlers {
   implicit val msgContentBSONHandler = Macros.handler[Last]
 
   implicit val threadIdBSONHandler = stringAnyValHandler[MsgThread.Id](_.value, MsgThread.Id.apply)
-  implicit val threadBSONHandler   = Macros.handler[MsgThread]
+
+  implicit val threadBSONHandler = new BSON[MsgThread] {
+    def reads(r: BSON.Reader) = r.strsD("users") match {
+      case List(u1, u2) =>
+        MsgThread(
+          id = r.get[MsgThread.Id]("_id"),
+          user1 = u1,
+          user2 = u2,
+          lastMsg = r.get[Last]("lastMsg")
+        )
+      case x => sys error s"Invalid MsgThread users: $x"
+    }
+    def writes(w: BSON.Writer, t: MsgThread) = $doc(
+      "_id"     -> t.id,
+      "users"   -> t.users.sorted,
+      "lastMsg" -> t.lastMsg
+    )
+  }
 
   implicit val msgIdBSONHandler = stringAnyValHandler[Msg.Id](_.value, Msg.Id.apply)
   implicit val msgBSONHandler   = Macros.handler[Msg]
diff --git a/modules/msg/src/main/Env.scala b/modules/msg/src/main/Env.scala
index a007f4de8a..0299f6f7f8 100644
--- a/modules/msg/src/main/Env.scala
+++ b/modules/msg/src/main/Env.scala
@@ -7,12 +7,16 @@ import lila.common.config._
 @Module
 final class Env(
     db: lila.db.Db,
-    userRepo: lila.user.UserRepo
+    userRepo: lila.user.UserRepo,
+    lightUserApi: lila.user.LightUserApi,
+    isOnline: lila.socket.IsOnline
 )(implicit ec: scala.concurrent.ExecutionContext) {
 
   private val colls = wire[MsgColls]
 
   lazy val api: MsgApi = wire[MsgApi]
+
+  lazy val json = wire[MsgJson]
 }
 
 private class MsgColls(db: lila.db.Db) {
diff --git a/modules/msg/src/main/MsgApi.scala b/modules/msg/src/main/MsgApi.scala
index 9d8b079d25..b8f1587dfd 100644
--- a/modules/msg/src/main/MsgApi.scala
+++ b/modules/msg/src/main/MsgApi.scala
@@ -14,7 +14,7 @@ final class MsgApi(
 
   import BsonHandlers._
 
-  def inbox(me: User): Fu[List[MsgThread]] =
+  def threads(me: User): Fu[List[MsgThread]] =
     colls.thread.ext
       .find(
         $doc(
diff --git a/modules/msg/src/main/MsgJson.scala b/modules/msg/src/main/MsgJson.scala
new file mode 100644
index 0000000000..98a20d4a06
--- /dev/null
+++ b/modules/msg/src/main/MsgJson.scala
@@ -0,0 +1,32 @@
+package lila.msg
+
+import play.api.libs.json._
+
+import lila.user.User
+import lila.common.Json._
+import lila.common.LightUser
+
+final class MsgJson(
+    lightUserApi: lila.user.LightUserApi,
+    isOnline: lila.socket.IsOnline
+) {
+
+  implicit val threadIdWrites: Writes[MsgThread.Id] = Writes.of[String].contramap[MsgThread.Id](_.value)
+  implicit val lastMsgWrites: OWrites[Msg.Last]     = Json.writes[Msg.Last]
+
+  def threads(me: User)(threads: List[MsgThread]): Fu[JsArray] =
+    lightUserApi.preloadMany(threads.map(_ other me)) inject Json.arr(
+      threads.map { t =>
+        Json.obj(
+          "id"      -> t.id,
+          "contact" -> contact(t other me),
+          "lastMsg" -> t.lastMsg
+        )
+      }
+    )
+
+  private def contact(userId: User.ID): JsObject =
+    LightUser.lightUserWrites
+      .writes(lightUserApi.sync(userId) | LightUser.fallback(userId))
+      .add("online" -> isOnline(userId))
+}
diff --git a/modules/msg/src/main/MsgThread.scala b/modules/msg/src/main/MsgThread.scala
index dce0ed276b..590d36ca40 100644
--- a/modules/msg/src/main/MsgThread.scala
+++ b/modules/msg/src/main/MsgThread.scala
@@ -5,10 +5,16 @@ import org.joda.time.DateTime
 import lila.user.User
 
 case class MsgThread(
-    _id: MsgThread.Id,    // random
-    users: List[User.ID], // unique
+    id: MsgThread.Id, // random
+    user1: User.ID,
+    user2: User.ID,
     lastMsg: Msg.Last
-)
+) {
+
+  def users = List(user1, user2)
+
+  def other(user: User) = if (user1 == user.id) user2 else user1
+}
 
 object MsgThread {
 
@@ -16,11 +22,12 @@ object MsgThread {
 
   def make(
       msg: Msg.Last,
-      orig: User.ID,
-      dest: User.ID
+      user1: User.ID,
+      user2: User.ID
   ): MsgThread = MsgThread(
-    _id = Id(ornicar.scalalib.Random nextString 8),
-    users = List(orig, dest).sorted,
+    id = Id(ornicar.scalalib.Random nextString 8),
+    user1 = user1,
+    user2 = user2,
     lastMsg = msg
   )
 }
diff --git a/package.json b/package.json
index d718efe156..5466271f2f 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "ui/tournamentSchedule",
     "ui/tournamentCalendar",
     "ui/tree",
+    "ui/msg",
     "ui/@build/cssProject",
     "ui/@build/jsProject",
     "ui/@build/tsProject",
diff --git a/ui/build b/ui/build
index 34df6ef716..53ce5989c2 100755
--- a/ui/build
+++ b/ui/build
@@ -15,7 +15,7 @@ mkdir -p public/compiled
 
 ts_apps1="common chess"
 ts_apps2="ceval game tree chat nvui"
-apps="site chat cli challenge notify learn insight editor puzzle round analyse lobby tournament tournamentSchedule tournamentCalendar simul dasher speech palantir serviceWorker"
+apps="site msg chat cli challenge notify learn insight editor puzzle round analyse lobby tournament tournamentSchedule tournamentCalendar simul dasher speech palantir serviceWorker"
 
 if [ $mode == "upgrade" ]; then
   yarn upgrade --non-interactive
diff --git a/ui/msg/css/_msg.scss b/ui/msg/css/_msg.scss
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/ui/msg/css/build/_msg.scss b/ui/msg/css/build/_msg.scss
new file mode 100644
index 0000000000..9d063961cd
--- /dev/null
+++ b/ui/msg/css/build/_msg.scss
@@ -0,0 +1,2 @@
+@import '../../../common/css/plugin';
+@import '../msg';
diff --git a/ui/msg/css/build/msg.dark.scss b/ui/msg/css/build/msg.dark.scss
new file mode 100644
index 0000000000..8c1ae11e96
--- /dev/null
+++ b/ui/msg/css/build/msg.dark.scss
@@ -0,0 +1,2 @@
+@import '../../../common/css/theme/dark';
+@import 'msg';
diff --git a/ui/msg/css/build/msg.light.scss b/ui/msg/css/build/msg.light.scss
new file mode 100644
index 0000000000..6cf930b37f
--- /dev/null
+++ b/ui/msg/css/build/msg.light.scss
@@ -0,0 +1,2 @@
+@import '../../../common/css/theme/light';
+@import 'msg';
diff --git a/ui/msg/css/build/msg.transp.scss b/ui/msg/css/build/msg.transp.scss
new file mode 100644
index 0000000000..255c25d0e7
--- /dev/null
+++ b/ui/msg/css/build/msg.transp.scss
@@ -0,0 +1,2 @@
+@import '../../../common/css/theme/transp';
+@import 'msg';
diff --git a/ui/msg/gulpfile.js b/ui/msg/gulpfile.js
new file mode 100644
index 0000000000..1b2a0c73ff
--- /dev/null
+++ b/ui/msg/gulpfile.js
@@ -0,0 +1,2 @@
+require('@build/tsProject')('LichessMsg', 'lichess.msg', __dirname);
+require('@build/cssProject')(__dirname);
diff --git a/ui/msg/package.json b/ui/msg/package.json
new file mode 100644
index 0000000000..560ae34de8
--- /dev/null
+++ b/ui/msg/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "msg",
+  "version": "2.0.0",
+  "private": true,
+  "description": "lichess.org msg",
+  "author": "Thibault Duplessis",
+  "license": "AGPL-3.0",
+  "devDependencies": {
+    "@build/tsProject": "2.0.0",
+    "@types/jquery": "^2.0",
+    "@types/lichess": "2.0.0"
+  },
+  "dependencies": {
+    "snabbdom": "ornicar/snabbdom#0.7.1-lichess"
+  }
+}
diff --git a/ui/msg/src/ctrl.ts b/ui/msg/src/ctrl.ts
new file mode 100644
index 0000000000..e41326be58
--- /dev/null
+++ b/ui/msg/src/ctrl.ts
@@ -0,0 +1,12 @@
+import { MsgData, MsgOpts } from './interfaces';
+
+export default class MsgCtrl {
+
+  data: MsgData;
+  trans: Trans;
+
+  constructor(opts: MsgOpts, readonly redraw: () => void) {
+    this.data = opts.data;
+    this.trans = window.lichess.trans(opts.i18n);
+  };
+}
diff --git a/ui/msg/src/interfaces.ts b/ui/msg/src/interfaces.ts
new file mode 100644
index 0000000000..bca22669b2
--- /dev/null
+++ b/ui/msg/src/interfaces.ts
@@ -0,0 +1,29 @@
+export interface MsgOpts {
+  data: MsgData;
+  i18n: any;
+}
+export interface MsgData {
+  me: User;
+  threads: Thread[];
+  thread?: Thread;
+}
+export interface Thread {
+  id: string;
+  contact: User;
+  lastMsg: LastMsg;
+}
+export interface User {
+  id: string;
+  name: string;
+  title?: string;
+  patron: boolean;
+  online: boolean;
+}
+export interface LastMsg extends BaseMsg {
+  read: boolean;
+}
+export interface BaseMsg {
+  user: string;
+  text: string;
+  date: number;
+}
diff --git a/ui/msg/src/main.ts b/ui/msg/src/main.ts
new file mode 100644
index 0000000000..b0e670f123
--- /dev/null
+++ b/ui/msg/src/main.ts
@@ -0,0 +1,28 @@
+import view from './view';
+
+import { init } from 'snabbdom';
+import { VNode } from 'snabbdom/vnode'
+import klass from 'snabbdom/modules/class';
+import attributes from 'snabbdom/modules/attributes';
+
+import { MsgOpts } from './interfaces'
+import MsgCtrl from './ctrl';
+
+const patch = init([klass, attributes]);
+
+export function app(element: HTMLElement, opts: MsgOpts) {
+
+  let vnode: VNode, ctrl: MsgCtrl;
+
+  function redraw() {
+    vnode = patch(vnode, view(ctrl));
+  }
+
+  ctrl = new MsgCtrl(opts, redraw);
+
+  const blueprint = view(ctrl);
+  element.innerHTML = '';
+  vnode = patch(element, blueprint);
+
+  redraw();
+};
diff --git a/ui/msg/src/view.ts b/ui/msg/src/view.ts
new file mode 100644
index 0000000000..6d8a56bdee
--- /dev/null
+++ b/ui/msg/src/view.ts
@@ -0,0 +1,65 @@
+import { h } from 'snabbdom'
+import { VNode } from 'snabbdom/vnode'
+import { Thread, BaseMsg, User } from './interfaces'
+import MsgCtrl from './ctrl';
+
+function userIcon(user: User): VNode {
+  return h('i.line' + (user.patron ? '.patron' : ''));
+}
+
+function userName(user: User): Array<string | VNode> {
+  return user.title ? [
+    h(
+      'span.title',
+      user.title == 'BOT' ? { attrs: {'data-bot': true } } : {},
+      user.title
+    ), ' ', user.name
+  ] : [user.name];
+}
+
+function renderDate(msg: BaseMsg) {
+  var date = new Date(msg.date);
+  return h('time.timeago', {
+    attrs: {
+      title: date.toLocaleString(),
+      datetime: msg.date
+    }
+  }, window.lichess.timeago.format(date));
+}
+
+function sideThread(thread: Thread) {
+  return h('div.msg-app__threads__thread', [
+    h('a.msg-app__threads__thread__icon.user-link.ulpt', {
+      class: {
+        online: thread.contact.online,
+        offline: !thread.contact.online
+      },
+      attrs: {
+        href: '/@/' + thread.contact.name
+      }
+    }, [userIcon(thread.contact)]),
+    h('div.msg-app__threads__thread__contact', [
+      h('div.msg-app__threads__thread__head', [
+        h('a.msg-app__threads__thread__name', userName(thread.contact)),
+        h('a.msg-app__threads__thread__date', renderDate(thread.lastMsg))
+      ]),
+      h('a.msg-app__threads__thread__msg', thread.lastMsg.text)
+    ])
+  ]);
+}
+
+export default function(ctrl: MsgCtrl) {
+  return h('div.msg-app', [
+    h('div.msg-app__side', [
+      h('div.msg-app__side__search', [
+        h('input')
+      ]),
+      h('div.msg-app__threads', [
+        ctrl.data.threads.map(sideThread)
+      ])
+    ]),
+    h('div.msg-app__main', [
+      'main'
+    ])
+  ]);
+}
diff --git a/ui/msg/tsconfig.json b/ui/msg/tsconfig.json
new file mode 100644
index 0000000000..631a9c851a
--- /dev/null
+++ b/ui/msg/tsconfig.json
@@ -0,0 +1,5 @@
+{
+  "extends": "../tsconfig.base.json",
+  "compilerOptions": {
+  }
+}