๐ŸŒป Bloom

A calm home for the hardest fight.

When your child is seriously ill, the information becomes its own crisis โ€” scattered across inboxes, patient portals, and notebooks at 3 a.m. Bloom pulls it all into one clear, private place, so you can spend your energy on your child instead of the chaos.

Free ยท open source ยท private by design ยท nothing to sign up for
Why it exists

Bloom was built by a father, in the middle of the fight โ€” coordinating his young son's relapsed Ewing sarcoma care across three continents, dozens of clinical trials, and a mountain of scans and reports.

No tool existed for that. So he built one โ€” and he's giving it to every family who comes next, for free.

What Bloom holds

Everything, in one place โ€” finally.

The pieces you're juggling by hand, organized the way a caregiver actually thinks.

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Care Team

Every doctor, center, and contact โ€” with who said what, and what's next.

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Clinical Trials

Track options, eligibility, sites and status. Print a clean, current list for your oncologist in one tap.

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Timeline & Scans

The whole treatment history โ€” chemo, surgery, radiation, imaging โ€” in order, at a glance.

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Documents

Pathology, reports, and imaging, all linked and findable when a new center asks.

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Questions

Capture every question the moment it hits you, so nothing is forgotten at the next appointment.

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Outreach

Who you've contacted, what they replied, and what still needs a follow-up.

Private by design

Your family's data stays yours.

Bloom runs in your browser and keeps your information on your own device. No accounts. No servers collecting your child's diagnosis. No tracking. Because it's open source under the MIT license, anyone can inspect exactly what it does โ€” and adapt it.

  • Local-first โ€” data lives on your device
  • No sign-up โ€” open it and start
  • No tracking โ€” no analytics, no ads
  • Open source (MIT) โ€” free to copy, adapt, share
  • Works offline โ€” a single file that just works
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Ewing first. Any disease next.

Bloom is really just a structure for the fight. Swap in any diagnosis and it adapts.

For every family

Built for Ewing sarcoma โ€” made to help anyone.

It started with one rare pediatric cancer, but the chaos is the same for every serious diagnosis. Bloom is designed so any family โ€” any disease โ€” can pick it up and make it their own.

Bring your own AI

Turn any AI into your family's war‑room.

Bloom ships with a ready-made Copilot prompt โ€” paste it into Claude or ChatGPT together with your Bloom data, and the AI becomes a rigorous research-and-coordination partner: finding and vetting clinical trials, summarizing doctor replies, and prepping your questions for the next visit. The same "war room" a parent built during his own child's fight โ€” packaged for you.

Also: a tiny command-line tool
$ bloom trials "Ewing sarcoma" $ bloom copilot # print the AI prompt $ bloom open # launch the app

Pure Python 3 โ€” no install, no dependencies. Searches ClinicalTrials.gov right from your terminal.

Get Bloom

Free. Take all of it.

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The App

A single file โ€” open app.html in any browser. Private, offline, nothing to install.

Download

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The CLI

The bloom command โ€” search trials, launch the app, print the AI prompt. Python 3, zero dependencies.

Get the CLI

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The AI Copilot

A ready-made prompt that turns Claude or ChatGPT into your research & coordination partner.

Get the prompt

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Take it. It's yours.

Free, open source, and made for the people walking the hardest road. If it helps your family the way it helped ours, that's the whole point.

View on GitHub