ProfitWell provides subscription and SaaS metrics that are 100% accurate and absolutely free. Sign up takes 1-click, giving you access to your monthly recurring revenue, churn, lifetime value, and all of your other necessary subscription financial metrics. Integrates with Stripe, Braintree, Zuora, Chargebee, Chargify, Recurly, and others with the ProfitWell API.

UPD' 2019: RealtimeBoard is now called Miro. Use Mind Map to visualize your thoughts. Brainstorm, plan projects, or take on more complex tasks like building story maps, roadmaps, or journey maps on the endless canvas with all the information in front of you.