diff --git a/versioncontrol_project_git/versioncontrol_project_git.info b/versioncontrol_project_git/versioncontrol_project_git.info
new file mode 100644
index 0000000..7b4f7f5
--- /dev/null
+++ b/versioncontrol_project_git/versioncontrol_project_git.info
@@ -0,0 +1,6 @@
+name = "Version Control Git / Project"
+description = "Provides additional Git-specific integration between the Version Control API suite and the Project suite."
+core = 6.x
+package = Version Control
+dependencies[] = versioncontrol_git
+dependencies[] = versioncontrol_project
diff --git a/versioncontrol_project_git/versioncontrol_project_git.module b/versioncontrol_project_git/versioncontrol_project_git.module
new file mode 100644
index 0000000..e3000ad
--- /dev/null
+++ b/versioncontrol_project_git/versioncontrol_project_git.module
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @file
+ * Provides additional Git-specific integration between the Version Control API
+ * suite and the Project suite.
+ */
+
+/**
+ * Implements hook_menu().
+ */
+function versioncontrol_project_git_menu() {
+  $items['node/%project_node/edit/default-branch'] = array(
+    'title' => 'Default branch',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('versioncontrol_project_git_default_branch_form', 1),
+    'access callback' => 'versioncontrol_project_git_default_branch_access',
+    'access arguments' =>  array(1),
+    'type' => MENU_LOCAL_TASK,
+    'weight' => 3,
+    'file' => 'versioncontrol_project_git.pages.inc',
+  );
+
+  return $items;
+}
+
+/**
+ * Access callback: Checks for a user's access to a valid Git repository.
+ *
+ * Path: node/%project_node/edit/default-branch
+ *
+ * @param $project
+ *   The project object that should have an attached repository.
+ *
+ * @return
+ *   TRUE if the project has an attached Git repository with at least one
+ *   branch that the user has write access to, FALSE otherwise.
+ *
+ * @see versioncontrol_project_git_menu()
+ */
+function versioncontrol_project_git_default_branch_access($project) {
+  // Display only on nodes that have a repository attached.
+  if (empty($project->versioncontrol_project)) {
+    return FALSE;
+  }
+
+  // Ensure it is a Git repository.
+  $repo = $project->versioncontrol_project['repo'];
+  if (!$repo instanceof VersioncontrolGitRepository) {
+    return FALSE;
+  }
+
+  // Ensure at least one branch exists.
+  if (!count($repo->loadBranches())) {
+    return FALSE;
+  }
+
+  // Check the permissions.
+  return project_user_access($project, 'write to vcs');
+}
diff --git a/versioncontrol_project_git/versioncontrol_project_git.pages.inc b/versioncontrol_project_git/versioncontrol_project_git.pages.inc
new file mode 100644
index 0000000..3163738
--- /dev/null
+++ b/versioncontrol_project_git/versioncontrol_project_git.pages.inc
@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * @file
+ * Page callback and submit handler for the default branch form.
+ */
+
+/**
+ * Form constructor for the default branch form.
+ */
+function versioncontrol_project_git_default_branch_form($form_state, $project) {
+  $repo = $project->versioncontrol_project['repo'];
+  $form['#repo'] = $repo;
+  $form['#nid'] = $project->nid;
+
+  // Add the radios widget for default branch selection.
+  $form['default_branch'] = array(
+    '#title' => t('The default repository branch'),
+    '#description' => t('This branch will be checked out by default when someone clones the project.'),
+    '#type' => 'radios',
+    '#options' => array(),
+  );
+
+  // Make all branches available as options.
+  $branches = $repo->loadBranches();
+  foreach ($branches as $id => $branch) {
+    $form['default_branch']['#options'][$id] = check_plain($branch->name);
+  }
+  uasort($form['default_branch']['#options'], '_versioncontrol_project_git_inverse_version_compare');
+
+  // Make the current default branch the default selection.
+  if ($repo->getDefaultBranch()) {
+    $default_branch = $repo->loadBranches(NULL, array('name' => $repo->getDefaultBranch()));
+    foreach ($default_branch as $id => $branch) {
+      $form['default_branch']['#default_value'] = $id;
+    }
+  }
+
+  // Add a submit button.
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Save'),
+  );
+
+  return $form;
+}
+
+/**
+ * Form submission handler for versioncontrol_project_git_default_branch_form().
+ */
+function versioncontrol_project_git_default_branch_form_submit($form, &$form_state) {
+  $repo = $form['#repo'];
+  $default_branch = reset($repo->loadBranches(array($form_state['values']['default_branch'])));
+
+  if ($default_branch) {
+    try {
+      $repo->setDefaultBranch($default_branch->name);
+      $form_state['redirect'] = 'node/' . $form['#nid'];
+      drupal_set_message(t('The default branch has been changed to %branch.', array('%branch' => $default_branch->name)));
+    }
+    catch (Exception $e) {
+      drupal_set_message(filter_xss($e->getMessage()), 'error');
+    }
+  }
+}
+
+/**
+ * Compares two branch names.
+ *
+ * Callback for uasort() within versioncontrol_project_git_default_branch_form().
+ *
+ * @param $a
+ *   The first branch name.
+ * @param $b
+ *   The secound branch name.
+ *
+ * @return
+ *   The inverse of version_compare().
+ */
+function _versioncontrol_project_git_inverse_version_compare($a, $b) {
+  return version_compare($b, $a);
+}