diff --git a/src/applications/diffusion/controller/DiffusionBrowseController.php b/src/applications/diffusion/controller/DiffusionBrowseController.php
--- a/src/applications/diffusion/controller/DiffusionBrowseController.php
+++ b/src/applications/diffusion/controller/DiffusionBrowseController.php
@@ -1676,6 +1676,29 @@
         'action' => 'history',
       ));
 
+    $drequest = $this->getDiffusionRequest();
+    $repository = $drequest->getRepository();
+
+    if ($drequest->getSymbolicType() == 'tag') {
+      $download = $drequest->getSymbolicCommit();
+    } elseif ($drequest->getSymbolicType() == 'commit') {
+      $download = $drequest->getStableCommit();
+    } else {
+      $download = $drequest->getBranch();
+    }
+
+    $curtain->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('Download zip'))
+        ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$download.'.zip')
+        ->setIcon('fa-download'));
+
+    $curtain->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('Download gz'))
+        ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$download.'.tar.gz')
+        ->setIcon('fa-download'));
+
     $curtain->addAction(
       id(new PhabricatorActionView())
         ->setName(pht('View History'))
diff --git a/src/applications/diffusion/controller/DiffusionCommitController.php b/src/applications/diffusion/controller/DiffusionCommitController.php
--- a/src/applications/diffusion/controller/DiffusionCommitController.php
+++ b/src/applications/diffusion/controller/DiffusionCommitController.php
@@ -958,6 +958,18 @@
       ->setWorkflow(!$can_edit);
     $curtain->addAction($action);
 
+    $action = id(new PhabricatorActionView())
+      ->setName(pht('Download zip'))
+      ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$identifier.'.zip')
+      ->setIcon('fa-download');
+    $curtain->addAction($action);
+
+    $action = id(new PhabricatorActionView())
+      ->setName(pht('Download gz'))
+      ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$identifier.'.tar.gz')
+      ->setIcon('fa-download');
+    $curtain->addAction($action);
+
     require_celerity_resource('phabricator-object-selector-css');
     require_celerity_resource('javelin-behavior-phabricator-object-selector');
 
diff --git a/src/applications/diffusion/controller/DiffusionRepositoryController.php b/src/applications/diffusion/controller/DiffusionRepositoryController.php
--- a/src/applications/diffusion/controller/DiffusionRepositoryController.php
+++ b/src/applications/diffusion/controller/DiffusionRepositoryController.php
@@ -264,6 +264,18 @@
         ->setWorkflow(!$can_edit)
         ->setDisabled(!$can_edit));
 
+    $curtain->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('Download zip'))
+        ->setIcon('fa-download')
+        ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$repository->getDefaultBranch().'.zip'));
+
+    $curtain->addAction(
+      id(new PhabricatorActionView())
+        ->setName(pht('Download gz'))
+        ->setIcon('fa-download')
+        ->setHref('https://github.com/wikimedia/'.$repository->getName().'/archive/'.$repository->getDefaultBranch().'.tar.gz'));
+
     if ($repository->isHosted()) {
       $push_uri = $this->getApplicationURI(
         'pushlog/?repositories='.$repository->getMonogram());