- Ruby 2.1
- Ruby on Rails 4.1
- CoffeeScript
- Sass - We prefer to use Scss syntax
- Bower - JavaScript dependency management
- Heroku - Hosting
- Heroku Postgres
- Algolia - Search as a service
- Mandrill (as Heroku Add-on) - SMTP as a service
- MailChimp - Newsletter
- MemCachier (as Heroku Add-on) - Caching
- Redis To Go (as Heroku Add-on) - Job queue
- Fastly - Distribute application assets
- Cloudinary - Distribute some images
- Google Analytics
- GoSquared - Realtime site monitoring
- Adept Scale (as Heroku Add-on) - Auto scaling
- New Relic (as Heroku Add-on) - Performance monitoring
- Pingdom - Availability monitoring
- Sentry - Error tracking
- StatusPage (as Heroku Add-on) - Status page
- CrazyEgg - Heatmap
- GitHub - Source code repository
- HuBoard - Kanban for GitHub Issues
- Slack - ChatOps
- Qiita:Team - Wiki
- Front - Shared inbox