Prism – Self-Hosted Notification Gateway

A privacy-first notification hub for users who want to receive push notifications without relying on Google or corporate services. Works with self-hosted apps and services that don't natively support UnifiedPush.

Self-hosted infrastructure is having a sustained moment — Coolify, Umbrel, and the broader homelab ecosystem have created a real, paying audience of privacy-conscious developers who actively avoid Google dependencies, and UnifiedPush adoption is growing incrementally through Mastodon clients and FOSS Android apps. The closest substitute is Ntfy, which is open-source, well-maintained, and already handles a significant slice of this use case for free, which is the core problem: the target users skew strongly toward not paying for software. The $500–2k/mo revenue band is theoretically reachable through a managed hosting tier or an enterprise self-hosted license, but converting a privacy-first audience into paying customers requires a clear moat over Ntfy that isn't obvious here. The most likely failure mode is building a polished product that free alternatives absorb through a single feature release, leaving no defensible reason to pay.