Crowdability provides data, research and education on the equity crowdfunding market.
Keen IO is great for collecting metrics, revenue, subscription data and user activity
We love Recurly for ecommerce and subscription management.
It's efficient, inexpensive, and easy to set up.
We've had some challenges with multi-state setup; when a new state needs to be approved, it can slow down payment to other employees.
We’ve been using Trello for several months now to keep track of to-dos across functional areas and employees.