walden: Private Mood Tracker & Journal - Your mind, your data

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Walden is an open source, private mood tracker and journal that lives entirely on your device. No accounts. No cloud. No data collection. Just you and your thoughts. Track your mood daily, write freely in your journal, and reflect on patterns over time — all without signing up for anything or trusting a server with your most personal data. Free forever. Open source on GitHub. Export your data anytime — it's yours, not ours. Your Mind. Your Data. 🧠🌿

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Hey Product Hunt 👋 I built Walden because every mood tracking app I tried wanted an account, a subscription, or access to my most personal thoughts on their servers. So I built the opposite — a mood tracker and journal that never leaves your device. No signup. No cloud. No judgment. It's free, open source, and always will be. Would love to hear what you think.