We use GrooveHQ to handle all inbound customer support requests. Works great!

Frame provides our application streaming platform.

MailChimp provides our core customer list and email notifications.

Our virtual desktops and rendering are hosted on EC2 instances.

We use Google Maps for our contact info on the landing page.

We use bootstrap for responsive landing pages.

We use Apache to serve our blog and landing pages.

We use Google Apps for email, calendar and internal docs.

We use Groove as our customer support/CRM tool, and it has been the core of our business.

NFS provides opinionated, affordable pay-as-you-go hosting with no hand-holding and smart defaults.