diff --git a/app/blueprints/todo/__init__.py b/app/blueprints/todo/__init__.py
index be97259..382b01c 100644
--- a/app/blueprints/todo/__init__.py
+++ b/app/blueprints/todo/__init__.py
@@ -21,7 +21,7 @@ from sqlalchemy import or_
 
 from app.models import *
 from app.querybuilder import QueryBuilder
-from app.utils import get_int_or_abort, addNotification, addAuditLog
+from app.utils import get_int_or_abort, addNotification, addAuditLog, isYes
 from app.tasks.importtasks import makeVCSRelease
 
 bp = Blueprint("todo", __name__)
@@ -226,11 +226,16 @@ def apply_all_updates(username):
 @bp.route("/todo/outdated/")
 @login_required
 def outdated():
+	is_mtm_only = isYes(request.args.get("mtm"))
+
 	query = db.session.query(Package).select_from(PackageUpdateConfig) \
 			.filter(PackageUpdateConfig.outdated_at.isnot(None)) \
 			.join(PackageUpdateConfig.package) \
 			.filter(Package.state == PackageState.APPROVED)
 
+	if is_mtm_only:
+		query = query.filter(Package.repo.ilike("%github.com/minetest-mods/%"))
+
 	sort_by = request.args.get("sort")
 	if sort_by == "date":
 		query = query.order_by(db.desc(PackageUpdateConfig.outdated_at))
@@ -239,4 +244,4 @@ def outdated():
 		query = query.order_by(db.desc(Package.score))
 
 	return render_template("todo/outdated.html", current_tab="outdated",
-			outdated_packages=query.all(), sort_by=sort_by)
+			outdated_packages=query.all(), sort_by=sort_by, is_mtm_only=is_mtm_only)
diff --git a/app/templates/todo/outdated.html b/app/templates/todo/outdated.html
index 0986ab2..870d0ce 100644
--- a/app/templates/todo/outdated.html
+++ b/app/templates/todo/outdated.html
@@ -5,15 +5,29 @@
 {% endblock %}
 
 {% block content %}
-	<div class="btn-group btn-group-sm float-right">
-		<a class="btn btn-secondary {% if sort_by == 'date' %}active{% endif %}"
-				href="{{ url_set_query(sort='date') }}">
-			Sort by date
-		</a>
-		<a class="btn btn-secondary {% if sort_by == 'score' %}active{% endif %}"
-				href="{{ url_set_query(sort='score') }}">
-			Sort by score
-		</a>
+	<div class="btn-toolbar float-right">
+		<div class="btn-group btn-group-sm mr-2">
+			{% if is_mtm_only %}
+				<a class="btn btn-sm btn-primary active" href="{{ url_set_query(mtm=0) }}">
+					Minetest Mods only
+				</a>
+			{% else %}
+				<a class="btn btn-sm btn-secondary" href="{{ url_set_query(mtm=1) }}">
+					Minetest Mods only
+				</a>
+			{% endif %}
+		</div>
+
+		<div class="btn-group btn-group-sm">
+			<a class="btn {% if sort_by == 'date' %}btn-primary active{% else %}btn-secondary{% endif %}"
+					href="{{ url_set_query(sort='date') }}">
+				Sort by date
+			</a>
+			<a class="btn {% if sort_by == 'score' %}btn-primary active{% else %}btn-secondary{% endif %}"
+					href="{{ url_set_query(sort='score') }}">
+				Sort by score
+			</a>
+		</div>
 	</div>
 	<div class="clearfix"></div>