diff --git a/lib/migrations/20150504155329-create-users.js b/lib/migrations/20150504155329-create-users.js
new file mode 100644
index 000000000..51e6b29c9
--- /dev/null
+++ b/lib/migrations/20150504155329-create-users.js
@@ -0,0 +1,24 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.createTable('Users', {
+      id: {
+        type: Sequelize.UUID,
+        primaryKey: true,
+        defaultValue: Sequelize.UUIDV4
+      },
+      profileid: {
+        type: Sequelize.STRING,
+        unique: true
+      },
+      profile: Sequelize.TEXT,
+      history: Sequelize.TEXT,
+      createdAt: Sequelize.DATE,
+      updatedAt: Sequelize.DATE
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.dropTable('Users')
+  }
+}
diff --git a/lib/migrations/20150508114741-create-notes.js b/lib/migrations/20150508114741-create-notes.js
new file mode 100644
index 000000000..660d40a6c
--- /dev/null
+++ b/lib/migrations/20150508114741-create-notes.js
@@ -0,0 +1,21 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.createTable('Notes', {
+      id: {
+        type: Sequelize.UUID,
+        primaryKey: true,
+        defaultValue: Sequelize.UUIDV4
+      },
+      ownerId: Sequelize.UUID,
+      content: Sequelize.TEXT,
+      title: Sequelize.STRING,
+      createdAt: Sequelize.DATE,
+      updatedAt: Sequelize.DATE
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.dropTable('Notes')
+  }
+}
diff --git a/lib/migrations/20150515125813-create-temp.js b/lib/migrations/20150515125813-create-temp.js
new file mode 100644
index 000000000..ee7b9789e
--- /dev/null
+++ b/lib/migrations/20150515125813-create-temp.js
@@ -0,0 +1,18 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.createTable('Temp', {
+      id: {
+        type: Sequelize.STRING,
+        primaryKey: true
+      },
+      date: Sequelize.TEXT,
+      createdAt: Sequelize.DATE,
+      updatedAt: Sequelize.DATE
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.dropTable('Temp')
+  }
+}
diff --git a/lib/migrations/20150702001020-update-to-0_3_1.js b/lib/migrations/20150702001020-update-to-0_3_1.js
new file mode 100644
index 000000000..40d9c97ad
--- /dev/null
+++ b/lib/migrations/20150702001020-update-to-0_3_1.js
@@ -0,0 +1,38 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.addColumn('Notes', 'shortid', {
+      type: Sequelize.STRING,
+      defaultValue: '0000000000',
+      allowNull: false
+    }).then(function () {
+      return queryInterface.addIndex('Notes', ['shortid'], {
+        indicesType: 'UNIQUE'
+      })
+    }).then(function () {
+      return queryInterface.addColumn('Notes', 'permission', {
+        type: Sequelize.STRING,
+        defaultValue: 'private',
+        allowNull: false
+      })
+    }).then(function () {
+      return queryInterface.addColumn('Notes', 'viewcount', {
+        type: Sequelize.INTEGER,
+        defaultValue: 0
+      })
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.removeColumn('Notes', 'viewcount')
+      .then(function () {
+        return queryInterface.removeColumn('Notes', 'permission')
+      })
+      .then(function () {
+        return queryInterface.removeIndex('Notes', ['shortid'])
+      })
+      .then(function () {
+        return queryInterface.removeColumn('Notes', 'shortid')
+      })
+  }
+}
diff --git a/lib/migrations/20150915153700-change-notes-title-to-text.js b/lib/migrations/20150915153700-change-notes-title-to-text.js
new file mode 100644
index 000000000..9d00f15fd
--- /dev/null
+++ b/lib/migrations/20150915153700-change-notes-title-to-text.js
@@ -0,0 +1,25 @@
+'use strict'
+const isSQLite = require('../utils').isSQLite
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.changeColumn('Notes', 'title', {
+      type: Sequelize.TEXT
+    }).then(function () {
+      if (isSQLite(queryInterface.sequelize)) {
+        // manual added index will be removed in sqlite
+        return queryInterface.addIndex('Notes', ['shortid'])
+      }
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.changeColumn('Notes', 'title', {
+      type: Sequelize.STRING
+    }).then(function () {
+      if (isSQLite(queryInterface.sequelize)) {
+        // manual added index will be removed in sqlite
+        return queryInterface.addIndex('Notes', ['shortid'])
+      }
+    })
+  }
+}
diff --git a/lib/migrations/20160112220142-note-add-lastchange.js b/lib/migrations/20160112220142-note-add-lastchange.js
new file mode 100644
index 000000000..b4e111b37
--- /dev/null
+++ b/lib/migrations/20160112220142-note-add-lastchange.js
@@ -0,0 +1,19 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.addColumn('Notes', 'lastchangeuserId', {
+      type: Sequelize.UUID
+    }).then(function () {
+      return queryInterface.addColumn('Notes', 'lastchangeAt', {
+        type: Sequelize.DATE
+      })
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.removeColumn('Notes', 'lastchangeAt')
+    .then(function () {
+      return queryInterface.removeColumn('Notes', 'lastchangeuserId')
+    })
+  }
+}
diff --git a/lib/migrations/20160420180355-note-add-alias.js b/lib/migrations/20160420180355-note-add-alias.js
new file mode 100644
index 000000000..a043cd5cc
--- /dev/null
+++ b/lib/migrations/20160420180355-note-add-alias.js
@@ -0,0 +1,18 @@
+'use strict'
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    return queryInterface.addColumn('Notes', 'alias', {
+      type: Sequelize.STRING
+    }).then(function () {
+      return queryInterface.addIndex('Notes', ['alias'], {
+        indicesType: 'UNIQUE'
+      })
+    })
+  },
+
+  down: function (queryInterface, Sequelize) {
+    return queryInterface.removeColumn('Notes', 'alias').then(function () {
+      return queryInterface.removeIndex('Notes', ['alias'])
+    })
+  }
+}
diff --git a/lib/utils.js b/lib/utils.js
new file mode 100644
index 000000000..6c36549bd
--- /dev/null
+++ b/lib/utils.js
@@ -0,0 +1,5 @@
+'use strict'
+
+exports.isSQLite = function isSQLite (sequelize) {
+  return sequelize.options.dialect === 'sqlite'
+}