cycle-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.

Privacy-first menstrual health, fertility & wellness tracker built with Flutter. Offline-first, local storage only, no account required.

🌸 A women's health companion for menstrual, hormonal, and reproductive wellness.

Feminine cycle planner for Obsidian

Home Assistant custom integration for Clatch cycle tracker (unofficial, reverse-engineered API)

Privacy-first, local-only menstrual cycle tracker PWA. Your data never leaves your device.

An offline-only Android menstrual cycle tracker — no account, no network permission. Predicts a window rather than inventing a single date, with encrypted backups, biometric lock, and a home-screen widget.

Official support and privacy resources for Cyca, covering period tracker, cycle tracker, and menstrual.