Helium

Fast, secure newsletter sending system, set up in minutes

PlatformWebfreeglobal

Helium is a free, open-source newsletter sending system built to be fast, secure, and quick to set up. It's for small businesses and bloggers who want a self-hosted alternative to subscription newsletter platforms. It's a PHP-based system requiring self-hosting to deploy.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of Helium - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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