ProfitWell - SaaS Metrics for Stripe. Absolutely Free.
BareMetrics - SaaS Analytics for Stripe
InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.
FunnelYT - Track how many leads each of your YouTube videos generates. If you're using YouTube to grow your business, you need more than just views and likes. This tool shows you exactly which videos are driving real results.
REVvue - Amplify your Bookings data with full revenue visibility through dynamic revenue schedules.
FirstOfficer - SaaS Financial Analytics and Strategic Insights.