We just use because we love it :)... but is not required.
All services, directives and controllers from angular are tested using Karma.
We use Waffle to manager Github Issues.
Code quality checker.
Serve our web version.
Feedbacks from Retrospective Meetings are save here.
For list called Backlog, each card will generate a new issues (by IFTTT recipe)
Heroku runs over Node.js
CI and Deploy (Ionic Viewer and Heroku)
master -> Deploy
develop -> CI
We use Google Forms to add feedbacks to Trello.
This integration is made by Google Script (GAS)
Our server db
Communication with the team.
Each card add to Backlog list in Trello, create a new Issue in Github