Ovulate is a privacy-focused, offline-first menstrual cycle tracker built with React, Vite, and Tailwind CSS. It computes ovulation dates, fertile windows, active periods, and safe/unsafe sex phases for educational and family planning purposes.
- Added Tauri Support for as Desktop (windows) app, not just PWA.
- Cycle logging and average length tracking.
- Ovulation and fertile window predictions.
- Interactive calendar view with an educational safe and unsafe periods overlay.
- Visual day selection details card explaining the biology of sperm and egg longevity.
- High-performance, fully responsive layout optimized for mobile and desktop screens.
- Progressive Web App support for standalone offline installation.
- 100 percent private: all data is stored locally in the browser via localStorage.
Ensure you have Node.js and pnpm installed.
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Clone the repository:
git clone https://github.com/carlodandan/ovulate.git cd ovulate -
Install dependencies:
pnpm install
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Start the development server:
pnpm run dev (for vite) / pnpm tauri dev (for tauri)
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Build for production:
pnpm run build (for vite) / pnpm tauri build (for tauri)
- Frontend Library: React 19
- Build Tool: Vite 7 / Tauri 2.0
- CSS Framework: Tailwind CSS 4
- Package Manager: pnpm
This project is licensed under the MIT License.

