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The open source go links app at the core of Trotto.
Python JavaScript CSS HTML Shell
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itsojon Merge pull request #2 from trotto/oss-announce
Add in-app open-sourcing notification
Latest commit 47cc86f Aug 13, 2019
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.circleci Add CircleCI config Aug 11, 2019
frontend Add in-app open-sourcing notification Aug 13, 2019
server Upgrade more deps and remove unused ones Aug 11, 2019
.gitignore Commit core app Jul 21, 2019
LICENSE Initial commit Jul 19, 2019 Add guide to local development Aug 11, 2019



Try out the latest build at If you'd rather use a fully-managed instance of Trotto, check out

Don't hesitate to reach out to us through, a GitHub issue, or live chat at

Local development

You can bring up a local instance of Trotto within a few minutes.

Install the Google Cloud SDK

Follow the instructions here to install the Cloud SDK for Google Cloud Platform.

Once you've installed the SDK, you should be able to successfully run gcloud info.

Clone this repository

git clone
cd go-links

Start the backend server

From the server/ directory, run:


Start the frontend development server

In a separate terminal, from the frontend/ directory, run:

npm install

Now, you can access the local instance at http://localhost:5007.

Making changes

Most server-side and frontend changes should be picked up automatically, thanks to the App Engine dev server and React Hot Loader.

View the admin console

Access the development admin console at http://localhost:8095. The admin console allows you to view the datastore, use an interactive console, and more.

Deploying your own Trotto instance

Authentication: At the moment, the open-source app solely supports authentication using a Google account, but we plan to add support for additional identity providers as requested. So if you need support for another provider, submit a GitHub issue, and we'll help you out!

You can deploy your own instance to Google App Engine in around 15 minutes. If you have any trouble, contact us through any of the channels mentioned above, and we'll get back to you ASAP.

Sign up for App Engine

If you don't already use Google App Engine, sign up through

Create a new App Engine app

Go here and create a new Google Cloud Platform project, then create a new App Engine application in that project. See this screencast.

Be sure to note your GCP project ID, which is shown when you create a new project and is also visible in the GCP console URL, as the project= query parameter. For example, in the screencast above, the new project's ID is trotto-test-7.

Obtain OAuth client credentials

To support Google authentication, you need to create OAuth client credentials to include with your app. See this screencast.

  • Your authorized domain will have the format (example:
  • Your authorized redirect URI will have the format (example:
  • You'll need to download a credentials file as shown in the screencast and rename it client_secrets.json

Clone this repository

git clone
cd go-links/server

Install the Google Cloud SDK

Install the Google Cloud SDK using the instructions here.

Once you've installed the SDK, authorize the SDK to access your GCP project:

gcloud auth login

Create a virtualenv

Inside the go-links/server directory, create and enter a Python 2 virtualenv:

cd go-links/server
virtualenv --python=/usr/bin/python2.7 .virtualenv/
source .virtualenv/bin/activate

Install Python dependencies

From the same directory, run:

pip install -r requirements.txt

Add your OAuth client credentials

Take the credentials file you generated above (which should be renamed to client_secrets.json) and put it in the server/src/config directory.

Deploy the app

Now, you can deploy the app. From the server/ directory, run:


After a successful deploy, you'll be able to access your Trotto instance at!

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