Baremetrics Benchmarks - Benchmark your SaaS metrics with other startups
WiseStamp - WiseStamp allows you to easily create and implement slick and unique email signatures for your business.
ChartMogul API - SaaS metrics and analytics for any billing platform
NEWOLDSTAMP - Email signature generator
SaaS Metrics Refresher from ChartMogul - A 10-week crash course in SaaS metrics 📊
Sigstr - Email signature marketing