What are the best tools/apps/services for developers?

Dash is epic. Fastest way to get to docs. I use this before using google.

Assertible provides automated QA for your web services. The best part about Assertible is that it integrates with your CI workflow so you can track deployments automatically run your whole suite tests as you push code. I built Assertible with the goal of giving any project, team, or developer, a way to continuously test and monitor an API or website. QA isn't just for large organizations anymore :) https://assertible.com I'd love to hear your feedback!

Great for sharing screenshots of your work quickly. I like being able to annotate, makes giving feedback and asking questions really simple. We use it a lot at PH to help communicate when building things.

Super simple to get started, flexible and powerful enough to ship anything.

Seamlessly deploy code to servers. A complete joy to use.

analytics service based on your needs. do not waste your time develop an internal analytics solution at all. :)