fertility-tracker

Period tracking app - Free, offline, private, and open source. Android and IOS- no account, no cloud, no ads. GPL-3.0, on-device encryption, zero internet permission. symptom & mood tracking, PIN lock, discrete mode.

Self-hosted, open-source period & fertility tracker. Private by design — no ads, no tracking.

A privacy-first, subscription-free iOS period and cycle tracker. No cloud, no accounts—just your data on your device, exactly where it belongs.

AuraCare: Smart Flutter-based menstrual cycle, fertility window, and reproductive wellness tracking application.

Privacy-first symptothermal fertility tracker that keeps the Ovy OT35 Bluetooth BBT thermometer usable after its app dropped older Android versions.

Full-stack menstrual cycle tracking app with period prediction, symptom logging, and cycle history analytics.

A full-stack menstrual cycle tracking web application built with Laravel, React, Inertia.js, and MySQL.

Self-calibrating Bayesian fertility & ovulation prediction engine (BBT + cervical mucus + cycle history, on-device). Production algorithm behind the Feve app.

Ovulate - Menstrual Cycle Tracker

A lightweight JavaScript Ovulation & Fertile Window Calculator widget with source code and live demo.

Architecture and privacy showcase for Chart35: encrypted fertility charting, Couple Sharing, web/PWA, Capacitor phones, Tauri desktop, and native watch clients.