We run a SaaS off a Raspberry Pi. Here's how that's going.

Bloodweb is built and hosted on home hardware sitting in a house in Australia, the web server, the database, the nightly backups, the TLS certs, all of it. This list is the running account of that: what shipped, what broke at 3am, and what it actually costs to run.

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What you'll actually get

Post-mortems on real breakage, with the logs and the fix
What running production on a home connection costs, in money and in sleep
New tools and features as they ship, all free to use without an account
The numbers: traffic, signups, revenue, and the things that aren't working

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In the meantime

Everything on the site is free and needs no account: the tools (PDF merge/split, image compression, converters, all running in your browser, nothing uploaded), forms from a template, and MyLink for a link-in-bio page. The blog has the longer write-ups.