Open Health IndexPart of the Health Flare family

Health tools you can trust with your data

Free and open-source apps for tracking symptoms, mood and medications, and for keeping your own records. Every listing tells you where your data lives, whether you need an account, and how hard it is to set up.

Symptoms, flares & patterns

Log how you feel and spot what makes it better or worse.

Dashboard for a sample profile, with prompts to log a flare or check in, an upcoming appointment and recent sleep and journal entries

Health Flare

A private health journal for chronic illness. Log symptoms, vitals, medications, meals and sleep, for yourself or someone you care for.

  • Android
  • iPhone
  • Setup: Easy
  • Stays on your device

Made by the people who run this index.

Informed Patient

An AI skill that interviews you about a health question, searches medical research, and writes an evidence summary with questions for your care team.

  • Web
  • Desktop
  • Setup: Easy
  • Stays on your device

Mood & mental health

Track mood, journal, and work through hard days.

Habit list with ticks and crosses for the last five days, showing habits like Wake up early, Meditate, Run in miles and Read books in pages

Loop Habit Tracker

Build and keep up daily habits, like stretching or taking a walk, with simple charts of your streaks.

  • Android
  • Setup: Easy
  • Stays on your device

Streak

Track habits like stretching, drinking water or avoiding sugar with one tap, and see your streaks, counts and history fill in.

  • Android
  • Desktop
  • Setup: Medium
  • Stays on your device

Medications

Reminders, dose logs, and refill tracking.

Overview for a day in August 2025, a timeline of supplement doses such as B12 and Omega 3 marked taken, skipped or due, with a button to log an extra dose

MedTimer

Medication reminders with a dose log you can export as CSV to show your doctor. Handles breaks, intervals and as-needed doses.

  • Android
  • Setup: Easy
  • Stays on your device

Cycle & reproductive health

Period, fertility, and contraception tracking that stays private.

Home screen showing today's cycle day and phase, when the next period is likely to start, and a button to add today's data

drip.

Track your cycle, bleeding, pain and mood. Designed to be gender-inclusive, and everything stays on your phone.

  • Android
  • iPhone
  • Setup: Easy
  • Stays on your device
Home screen with a button to log today, plus shortcuts to the calendar and cycle insights

Inner Flare

A private period and cycle tracker. Data is encrypted on your phone and locked behind your fingerprint, face or passcode.

  • Android
  • iPhone
  • Setup: Easy
  • Stays on your device

Made by the people who run this index.

Calendar for September 2026 marking period days 1 to 6 and a fertile window, above the day's log of flow, moods, symptoms, pill and a note

Mooneva Cycle

Period and cycle tracker that never connects to the internet, with no account and encrypted local storage.

  • Android
  • iPhone
  • Setup: Easy
  • Stays on your device

Diabetes

Glucose monitoring and community-built insulin tools.

Home screen with a glucose reading of 100 trending down, insulin and carbs on board, a six-hour glucose and insulin graph, and Insulin, Carbs and Calculator buttons

AndroidAPS

Community-built automated insulin delivery for Android. You build and configure it yourself, ideally with your care team.

  • Android
  • Setup: Hard
  • Device, with optional sync
Main view with the current glucose of 157 mg/dl and a rising arrow, a 3-hour chart with predicted readings, and a 48-hour overview below

Nightscout

Share live glucose readings from your CGM with family or caregivers through a site you host yourself.

  • Self-hosted
  • Web
  • Setup: Hard
  • On a server you run
Main screen with glucose at 97 in a ring, insulin and carbs on board, basal rate, a 6-hour glucose graph with forecast and the bottom tab bar

Trio

Community-built automated insulin delivery for iPhone, backed by the Nightscout Foundation. You build it from source.

  • iPhone
  • Setup: Hard
  • Device, with optional sync
Main screen showing a glucose reading of 107 mg/dl with a steady arrow, daily stats, and a graph of the last few hours with logged insulin and carbs

xDrip+

Read your CGM on your phone with customizable alerts for highs and lows.

  • Android
  • Setup: Medium
  • Device, with optional sync

Your medical records

Keep your own copy of your health history.

Fasten

Gather your medical records from different providers into one private record for you or your family, on a server you control.

  • Self-hosted
  • Setup: Hard
  • On a server you run

Health Record MCP

Download your full medical record from a US health system that uses Epic, straight to your computer. Optional tools let an AI assistant search it.

  • Web
  • Desktop
  • Setup: Easy
  • Stays on your device

Body, sleep & food

Wearables, sleep, activity, and what you eat.

Dashboard for one day with a 24-hour clock ring of activity and sleep, and totals for steps, distance, active time and sleep

Gadgetbridge

Use your fitness band or smartwatch without sending your heart rate, sleep and activity data to the manufacturer.

  • Android
  • Setup: Medium
  • Stays on your device

Fitness & training

Log workouts, sets and progress, at the gym or at home.

Train screen, step 1 of 2, Choose your focus, with front and back body diagrams where chest and triceps are selected

GymMane

A gym log: tap the muscles you want to train on a body map, log sets with a rest timer, and track lifts, body measurements and food.

  • Android
  • Setup: Medium
  • Stays on your device