Subscription software with recurring revenue and, usually, the cleanest numbers on the site.
A one-person SaaS that unsubscribes people from newsletters they never read. Flat MRR for eight months, but…
Gym management dashboard sold to independent studios. Growing 6% a month for the last year.
Asynchronous standup bot used by 210 teams. Runs on a single small server and needs almost no attention.
Software-as-a-service businesses sell access rather than a one-off product, so the figure that matters most is MRR and how steadily it grows. Look for churn, the concentration of the customer base, and how much of the roadmap depends on the founder.