Here's our stack: Open Source Ruby on Rails Mostly VanillaJS with PreactJs for some components Postgres (hosted on Heroku) Infra/Services Heroku Fastly Airbrake Skylight Sendgrid Amazon S3 Google Analytics Stream Algolia Algorithmia Timber Codeship Codeclimate GitHub Pusher Twilio Video DaCast Sometimes it's hard to say where to delineate the line of services that are part of the "stack" vs ones t