diff --git a/app/models/github-app-installation.js b/app/models/github-app-installation.js
new file mode 100644
index 000000000..937234934
--- /dev/null
+++ b/app/models/github-app-installation.js
@@ -0,0 +1,16 @@
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+import { belongsTo, hasMany } from 'ember-data/relationships';
+
+export default Model.extend({
+  githubId: attr(),
+  insertedAt: attr(),
+  installed: attr(),
+  state: attr(),
+  updatedAt: attr(),
+
+  githubRepos: hasMany('github-repo', { async: true }),
+  organizationGithubAppInstallations: hasMany('organization-github-app-installation', { async: true }),
+  project: belongsTo('project', { async: true }),
+  user: belongsTo('user', { async: true })
+});
diff --git a/app/models/github-repo.js b/app/models/github-repo.js
new file mode 100644
index 000000000..767079c62
--- /dev/null
+++ b/app/models/github-repo.js
@@ -0,0 +1,16 @@
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+import { belongsTo } from 'ember-data/relationships';
+
+export default Model.extend({
+  githubAccountAvatarUrl: attr(),
+  githubAccountId: attr(),
+  githubAccountLogin: attr(),
+  githubAccountType: attr(),
+  githubId: attr(),
+  insertedAt: attr(),
+  name: attr(),
+  updatedAt: attr(),
+
+  githubAppInstallation: belongsTo('github-app-installation', { async: true })
+});
diff --git a/app/models/organization-github-app-installation.js b/app/models/organization-github-app-installation.js
new file mode 100644
index 000000000..727645a22
--- /dev/null
+++ b/app/models/organization-github-app-installation.js
@@ -0,0 +1,11 @@
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+import { belongsTo } from 'ember-data/relationships';
+
+export default Model.extend({
+  insertedAt: attr(),
+  updatedAt: attr(),
+
+  githubAppInstallation: belongsTo('github-app-installation', { async: true }),
+  organization: belongsTo('organization', { async: true })
+});
diff --git a/app/models/project-github-repo.js b/app/models/project-github-repo.js
new file mode 100644
index 000000000..67866dad9
--- /dev/null
+++ b/app/models/project-github-repo.js
@@ -0,0 +1,11 @@
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+import { belongsTo } from 'ember-data/relationships';
+
+export default Model.extend({
+  insertedAt: attr(),
+  updatedAt: attr(),
+
+  githubRepo: belongsTo('github-repo', { async: true }),
+  project: belongsTo('project', { async: true })
+});
diff --git a/app/models/project.js b/app/models/project.js
index 0579768ff..54768900f 100644
--- a/app/models/project.js
+++ b/app/models/project.js
@@ -29,6 +29,7 @@ export default Model.extend({
   taskLists: hasMany('task-list', { async: true }),
   tasks: hasMany('tasks', { async: true }),
   projectCategories: hasMany('project-category', { async: true }),
+  projectGithubRepos: hasMany('project-github-repo', { async: true }),
   projectSkills: hasMany('project-skill', { async: true }),
   projectUsers: hasMany('project-user', { async: true }),
   stripeConnectPlan: belongsTo('stripe-connect-plan', { async: true }),
diff --git a/mirage/models/github-app-installation.js b/mirage/models/github-app-installation.js
new file mode 100644
index 000000000..d38c274e1
--- /dev/null
+++ b/mirage/models/github-app-installation.js
@@ -0,0 +1,8 @@
+import { Model, belongsTo, hasMany } from 'ember-cli-mirage';
+
+export default Model.extend({
+  githubRepos: hasMany(),
+  organizationGithubAppInstallations: hasMany(),
+  project: belongsTo(),
+  user: belongsTo()
+});
diff --git a/mirage/models/github-repo.js b/mirage/models/github-repo.js
new file mode 100644
index 000000000..abe5ab466
--- /dev/null
+++ b/mirage/models/github-repo.js
@@ -0,0 +1,5 @@
+import { Model, belongsTo } from 'ember-cli-mirage';
+
+export default Model.extend({
+  githubAppInstallation: belongsTo()
+});
diff --git a/mirage/models/organization-github-app-installation.js b/mirage/models/organization-github-app-installation.js
new file mode 100644
index 000000000..639648a2c
--- /dev/null
+++ b/mirage/models/organization-github-app-installation.js
@@ -0,0 +1,6 @@
+import { Model, belongsTo } from 'ember-cli-mirage';
+
+export default Model.extend({
+  githubAppInstallation: belongsTo(),
+  organization: belongsTo()
+});
diff --git a/mirage/models/project-github-repo.js b/mirage/models/project-github-repo.js
new file mode 100644
index 000000000..2a3d93c46
--- /dev/null
+++ b/mirage/models/project-github-repo.js
@@ -0,0 +1,6 @@
+import { Model, belongsTo } from 'ember-cli-mirage';
+
+export default Model.extend({
+  githubRepo: belongsTo(),
+  project: belongsTo()
+});
diff --git a/tests/unit/models/github-app-installation-test.js b/tests/unit/models/github-app-installation-test.js
new file mode 100644
index 000000000..00015b548
--- /dev/null
+++ b/tests/unit/models/github-app-installation-test.js
@@ -0,0 +1,32 @@
+import { moduleForModel, test } from 'ember-qunit';
+import { testForBelongsTo, testForHasMany } from '../../helpers/relationship';
+import { testForAttributes } from 'code-corps-ember/tests/helpers/attributes';
+import '../../helpers/has-attributes';
+
+moduleForModel('github-app-installation', 'Unit | Model | github-app-installation', {
+  // Specify the other units that are required for this test.
+  needs: [
+    'model:github-repo',
+    'model:organization-github-app-installation',
+    'model:project',
+    'model:user'
+  ]
+});
+
+test('it exists', function(assert) {
+  let model = this.subject();
+  assert.ok(!!model);
+});
+
+testForAttributes('github-app-installation', [
+  'githubId',
+  'insertedAt',
+  'installed',
+  'state',
+  'updatedAt'
+]);
+
+testForHasMany('github-app-installation', 'organizationGithubAppInstallations');
+testForBelongsTo('github-app-installation', 'project');
+testForBelongsTo('github-app-installation', 'user');
+testForHasMany('github-app-installation', 'githubRepos');
diff --git a/tests/unit/models/github-repo-test.js b/tests/unit/models/github-repo-test.js
new file mode 100644
index 000000000..3b33703a7
--- /dev/null
+++ b/tests/unit/models/github-repo-test.js
@@ -0,0 +1,29 @@
+import { moduleForModel, test } from 'ember-qunit';
+import { testForBelongsTo } from '../../helpers/relationship';
+import { testForAttributes } from 'code-corps-ember/tests/helpers/attributes';
+import '../../helpers/has-attributes';
+
+moduleForModel('github-repo', 'Unit | Model | github-repo', {
+  // Specify the other units that are required for this test.
+  needs: [
+    'model:github-app-installation'
+  ]
+});
+
+test('it exists', function(assert) {
+  let model = this.subject();
+  assert.ok(!!model);
+});
+
+testForAttributes('github-repo', [
+  'githubAccountAvatarUrl',
+  'githubAccountId',
+  'githubAccountLogin',
+  'githubAccountType',
+  'githubId',
+  'insertedAt',
+  'name',
+  'updatedAt'
+]);
+
+testForBelongsTo('github-repo', 'githubAppInstallation');
diff --git a/tests/unit/models/organization-github-app-installation-test.js b/tests/unit/models/organization-github-app-installation-test.js
new file mode 100644
index 000000000..f2bbb616b
--- /dev/null
+++ b/tests/unit/models/organization-github-app-installation-test.js
@@ -0,0 +1,25 @@
+import { moduleForModel, test } from 'ember-qunit';
+import { testForBelongsTo } from '../../helpers/relationship';
+import { testForAttributes } from 'code-corps-ember/tests/helpers/attributes';
+import '../../helpers/has-attributes';
+
+moduleForModel('organization-github-app-installation', 'Unit | Model | organization-github-app-installation', {
+  // Specify the other units that are required for this test.
+  needs: [
+    'model:github-app-installation',
+    'model:organization'
+  ]
+});
+
+test('it exists', function(assert) {
+  let model = this.subject();
+  assert.ok(!!model);
+});
+
+testForAttributes('organization-github-app-installation', [
+  'insertedAt',
+  'updatedAt'
+]);
+
+testForBelongsTo('organization-github-app-installation', 'githubAppInstallation');
+testForBelongsTo('organization-github-app-installation', 'organization');
diff --git a/tests/unit/models/project-github-repo-test.js b/tests/unit/models/project-github-repo-test.js
new file mode 100644
index 000000000..483700e66
--- /dev/null
+++ b/tests/unit/models/project-github-repo-test.js
@@ -0,0 +1,25 @@
+import { moduleForModel, test } from 'ember-qunit';
+import { testForBelongsTo } from '../../helpers/relationship';
+import { testForAttributes } from 'code-corps-ember/tests/helpers/attributes';
+import '../../helpers/has-attributes';
+
+moduleForModel('project-github-repo', 'Unit | Model | project-github-repo', {
+  // Specify the other units that are required for this test.
+  needs: [
+    'model:github-repo',
+    'model:project'
+  ]
+});
+
+test('it exists', function(assert) {
+  let model = this.subject();
+  assert.ok(!!model);
+});
+
+testForAttributes('project-github-repo', [
+  'insertedAt',
+  'updatedAt'
+]);
+
+testForBelongsTo('project-github-repo', 'githubRepo');
+testForBelongsTo('project-github-repo', 'project');
diff --git a/tests/unit/models/project-test.js b/tests/unit/models/project-test.js
index 61cc20a1c..db7e4cc74 100644
--- a/tests/unit/models/project-test.js
+++ b/tests/unit/models/project-test.js
@@ -13,6 +13,7 @@ moduleForModel('project', 'Unit | Model | project', {
     'model:donation-goal',
     'model:organization',
     'model:project-category',
+    'model:project-github-repo',
     'model:project-skill',
     'model:project-user',
     'model:stripe-connect-account',
@@ -39,6 +40,7 @@ testForBelongsTo('project', 'stripeConnectPlan');
 
 testForHasMany('project', 'donationGoals');
 testForHasMany('project', 'projectCategories');
+testForHasMany('project', 'projectGithubRepos');
 testForHasMany('project', 'projectSkills');
 testForHasMany('project', 'projectUsers');
 testForHasMany('project', 'taskLists');