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Outerbridge - Automate Web3 and Web2 applications

Outerbridge is a low code/no code workflow automation application, focusing on integrating both on-chain and off-chain applications. The project is licensed under Apache License Version 2.0, source available and free to self-host.


Outerbridge Screenshot

Why another workflow automation tool?

There are many awesome automation tools out there, however there isn't one that has the built-in logic of interacting/consuming information from blockchains. Hence, Outerbridge is created to allow people building workflows involving on-chain and off-chain applications, with simple drag and drop interface.


Here is the demo version of Outerbridge hosted using AWS t2-micro.

Detail documentation on how to setup using AWS t2-micro with your custom domain name.

Watch Outerbridge Quickstart Demo on Youtube (4mins)


  1. Install MongoDB from here.
  2. npm install -g outerbridge
  3. npx outerbridge start
  4. Open http://localhost:3000


  1. Go to docker folder at the root of the project
  2. docker-compose up -d
  3. This will automatically spins up mongodb and outerbridge containers
  4. Open http://localhost:3000
  5. You can bring the containers down by docker-compose stop



Lerna, MongoDB and Yarn have to be installed before setting up the project.


Outerbridge has 3 different modules in a single mono repository.

  • server: Node backend to serve API logics
  • ui: React frontend
  • components: Nodes and Credentials of applications

Lerna is used to link these modules together.

npm install -g lerna


Outerbridge uses MongoDB as database. Download and install one here.


npm install -g yarn


  1. Clone the repository

    git clone

    For MacOS and Linux, you may need to gain full access to the folder

    chmod -R 777 Outerbridge
  2. Go into repository folder

    cd Outerbridge
  3. Install all dependencies of all modules and link them together:

    yarn bootstrap
  4. Build all the code:

    yarn build
  5. Start the app:

    yarn start

    You can now access the app on http://localhost:3000

  6. For development build:

    yarn run dev

    Any code changes will reload the app automatically on http://localhost:8080


Official Outerbridge docs can be found under:


Feel free to ask any questions, raise problems, and request new features in discussion


See contributing guide. Reach out to us at Discord if you have any questions or issues.


Source code in this repository is made available under the Apache License Version 2.0.