diff --git a/app/__init__.py b/app/__init__.py
index 752409a..548bae0 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -71,9 +71,11 @@ def create_app():
     from app.routes.app import bp as app_bp
     from app.routes.topics import bp as topics_bp
     from app.routes.users import bp as users_bp
+    from app.routes.mod import bp as mod_bp
     app.register_blueprint(app_bp)
     app.register_blueprint(topics_bp)
     app.register_blueprint(users_bp)
+    app.register_blueprint(mod_bp)
 
     app.config['SESSION_COOKIE_SECURE'] = True
 
diff --git a/app/db.py b/app/db.py
index 2ab8762..030692a 100644
--- a/app/db.py
+++ b/app/db.py
@@ -4,13 +4,12 @@ from flask import current_app
 
 class DB:
     def __init__(self):
-        self._transaction_depth = 0
         self._connection = None
 
 
     @contextmanager
     def _get_connection(self):
-        if self._connection and self._transaction_depth > 0:
+        if self._connection:
             yield self._connection
             return
 
@@ -21,48 +20,24 @@ class DB:
         try:
             yield conn
         finally:
-            if self._transaction_depth == 0:
-                conn.close()
+            conn.close()
 
 
     @contextmanager
     def transaction(self):
         """Transaction context."""
-        self.begin()
+        tr_connection = sqlite3.connect(current_app.config["DB_PATH"])
+        tr_connection.row_factory = sqlite3.Row
+        tr_connection.execute("PRAGMA FOREIGN_KEYS = 1")
+        tr_connection.execute("BEGIN")
         try:
             yield
-            self.commit()
+            tr_connection.execute("COMMIT")
         except Exception:
-            self.rollback()
+            tr_connection.execute("ROLLBACK")
             raise
 
 
-    def begin(self):
-        """Begins a new transaction."""
-        if self._transaction_depth == 0:
-            if not self._connection:
-                self._connection = sqlite3.connect(current_app.config["DB_PATH"])
-                self._connection.row_factory = sqlite3.Row
-                self._connection.execute("PRAGMA FOREIGN_KEYS = 1")
-            self._connection.execute("BEGIN")
-        self._transaction_depth += 1
-
-
-    def commit(self):
-        """Commits the current transaction."""
-        if self._transaction_depth > 0:
-            self._transaction_depth -= 1
-            if self._transaction_depth == 0:
-                self._connection.commit()
-
-
-    def rollback(self):
-        """Rolls back the current transaction."""
-        if self._transaction_depth > 0:
-            self._transaction_depth = 0
-            self._connection.rollback()
-
-
     def query(self, sql, *args):
         """Executes a query and returns a list of dictionaries."""
         with self._get_connection() as conn:
@@ -209,6 +184,13 @@ class Model:
         return result["c"] if result else 0
 
 
+    @classmethod
+    def select(cls, sel = "*"):
+        qb = db.QueryBuilder(cls.table).select(sel)
+        result = qb.all()
+        return result if result else []
+
+
     def update(self, data):
         qb = db.QueryBuilder(self.table)\
             .where({"id": self._data["id"]})
diff --git a/app/routes/mod.py b/app/routes/mod.py
new file mode 100644
index 0000000..7dcb80c
--- /dev/null
+++ b/app/routes/mod.py
@@ -0,0 +1,33 @@
+from flask import (
+    Blueprint, render_template, request, redirect, url_for
+    )
+from .users import login_required, mod_only
+from ..models import Users
+from ..db import db, DB
+bp = Blueprint("mod", __name__, url_prefix = "/mod/")
+
+@bp.get("/sort-topics")
+@login_required
+@mod_only("topics.all_topics")
+def sort_topics():
+    topics = db.query("SELECT * FROM topics ORDER BY sort_order ASC")
+    return render_template("mod/sort-topics.html", topics = topics)
+
+
+@bp.post("/sort-topics")
+@login_required
+@mod_only("topics.all_topics")
+def sort_topics_post():
+    with db.transaction():
+        for topic_id, new_order in request.form.items():
+            db.execute("UPDATE topics SET sort_order = ? WHERE id = ?", new_order, topic_id)
+
+    return redirect(url_for(".sort_topics"))
+
+
+@bp.get("/user-list")
+@login_required
+@mod_only("users.page", username = lambda: get_active_user().username)
+def user_list():
+    users = Users.select()
+    return render_template("mod/user-list.html", users = users)
diff --git a/app/routes/users.py b/app/routes/users.py
index 3464681..30e9479 100644
--- a/app/routes/users.py
+++ b/app/routes/users.py
@@ -186,13 +186,6 @@ def inbox(username):
     return "stub"
 
 
-@bp.get("/list")
-@login_required
-@mod_only(".page", username = lambda: get_active_user().username)
-def user_list():
-    return "stub"
-
-
 @bp.post("/log_out")
 def log_out():
     pass
diff --git a/app/templates/common/topnav.html b/app/templates/common/topnav.html
index 35c66b5..126f44f 100644
--- a/app/templates/common/topnav.html
+++ b/app/templates/common/topnav.html
@@ -14,7 +14,7 @@
       <a href="{{ url_for("users.inbox", username = user.username) }}">Inbox</a>
       {% if user.is_mod() %}
         &bullet;
-        <a href="{{ url_for("users.user_list") }}">User list</a>
+        <a href="{{ url_for("mod.user_list") }}">User list</a>
       {% endif %}
     {% endwith %}
   {% endif %}
diff --git a/app/templates/mod/sort-topics.html b/app/templates/mod/sort-topics.html
new file mode 100644
index 0000000..7e03b33
--- /dev/null
+++ b/app/templates/mod/sort-topics.html
@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+{% block content %}
+<div class="darkbg settings-container">
+  <h1>Change topics order</h1>
+  <p>Drag topic titles to reoder them. Press submit when done. The topics will appear to users in the order set here.</p>
+  <form method="post" id=topics-container>
+      {% for topic in topics %}
+        <div draggable="true" class="draggable-topic" ondragover="dragOver(event)" ondragstart="dragStart(event)" ondragend="dragEnd()">
+          <div class="thread-title">{{ topic['name'] }}</div>
+          <div>{{ topic.description }}</div>
+          <input type="hidden" name="{{ topic['id'] }}" value="{{ topic['sort-order'] }}" class="topic-input">
+        </div>
+      {% endfor %}
+      <input type=submit value="Save order">
+    </form>
+</div>
+<script src="/static/js/sort-topics.js"></script>
+{% endblock %}
diff --git a/app/templates/mod/user-list.html b/app/templates/mod/user-list.html
new file mode 100644
index 0000000..e8e7f07
--- /dev/null
+++ b/app/templates/mod/user-list.html
@@ -0,0 +1,10 @@
+{% extends "base.html" %}
+{% block content %}
+<div class="darkbg settings-container">
+  <ul>
+    {% for user in users %}
+      <li><a href="{{url_for("users.page", username=user['username'])}}">{{user['username']}}</a>
+    {% endfor %}
+  </ul>
+</div>
+{% endblock %}
diff --git a/app/templates/topics/topics.html b/app/templates/topics/topics.html
index 58473cd..dd60874 100644
--- a/app/templates/topics/topics.html
+++ b/app/templates/topics/topics.html
@@ -5,6 +5,7 @@
   <h1 class="thread-title">All topics</h1>
   {% if active_user and active_user.is_mod() %}
     <a class="linkbutton" href={{ url_for("topics.create") }}>Create new topic</a>
+    <a class="linkbutton" href={{ url_for("mod.sort_topics") }}>Sort topics</a>
   {% endif %}
 </nav>
 {% if topic_list | length == 0 %}