How well do you know dev tools?

Ruby? Simple and expressive. DigitalOcean? Great value. New Relic? Easy setup.

Can you identify which tool people use for the following reasons?

Easy setup
Replacement tokens/templated emails
Works with sendgrid/mandrill/mailgun
Html template editor
Great analytics
Free tier
Very responsive and friendly support team
Easy A/B testing
Excellent api documentation
Live database integration

Open source password manager for teams
This is it!
A modern, open source text editor that understands web design
This is it!
A fast and robust web server and application server for Ruby, Python and Node.js
This is it!
Email automation for developers + testing and analytics for marketers.
This is it!