I'm thinking of mostly online things that come to mind that seem to be used by a lot of devs but don't have huge marketing budgets OR are not flashy in the typical sense:- Google analytics alternatives, like Fathom, Plausible, Simple Analytics, Umami.- Uptime monitoring services- Logging, server-side logging, but these seem to be larger companies now like NewRelic, DataDog, Pagerduty- Niche-specific file hosting, like UploadThing for Next.js, essentially a super simple way to host/upload assets ...