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An open-source encrypted note-taking PWA that encrypts notes client-side before sync, for people who want their notes unreadable to the server even in the cloud.
Works offlineData stays with youOpen source
What to know▼
How it works
Notes encrypted in-browser with Argon2id + AES-256-GCM before leaving the device; only ciphertext reaches the server.
What's different
Works offline across devices while staying private.
We check every product on this page once a day and record whether it still answers.
A free, open-source Windows tool that runs apps like Discord, ChatGPT and Meta products inside isolated local sandboxes to block client-side scanning and OS-level telemetry. For privacy-conscious users worried about surveillance, not a ChatGPT alternative.
FreeOpen source
What to know▼
How it works
Runs locally on Windows, enforcing hyper-isolated memory partitions to encapsulate apps like Discord, ChatGPT and Meta webgrids, blinding host OS scanning daemons while keeping the apps fully functional.
What's different
Works entirely on-device with no remote servers, positioned as active defense against Client-Side Scanning and EU Chat Control rather than a cloud service.
Pricing
Free and open-source.
Best for
Privacy-conscious Windows users worried about client-side scanning or telemetry from apps like Discord, ChatGPT and Meta products.
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An open-source Android app that watches for apps quietly using your camera, microphone or location and alerts you in real time — for privacy-conscious phone owners, not just developers.
Data stays with youOpen sourceNo ads
What to know▼
How it works
An open-source Android app that monitors app permissions in real time and alerts you when apps access your camera, microphone or location, even when you're not using them.
What's different
Open-source, with no ads and no tracking of its own.
Best for
Privacy-conscious Android users who want to know when apps quietly access sensitive sensors.
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A local-first AI platform bundling chat, a coding agent, a terminal and uncensored open models, with no cloud or accounts. For technical users, not really a mobile app despite the Android companion.
Watch out · Ships uncensored models with zero filters — outputs are not moderated.
No sign-upWorks offlineOpen source
What to know▼
How it works
A local-first AI platform bundling end-to-end encrypted P2P chat, a bare-metal terminal with real PTY shell access, autonomous coding agents, hybrid RAG, and bundled uncensored Qwen/Gemma models, with a native Android companion app for LAN discovery.
What's different
Runs fully offline with no cloud, accounts, or subscriptions, and ships uncensored model variants with no filters.
Pricing
Open-source (AGPL-3.0).
Best for
Technical users on Linux or Windows who want a self-hosted AI toolkit with no cloud dependency.
Watch out
Ships uncensored models with zero filters — outputs are not moderated.
We check every product on this page once a day and record whether it still answers.
A desktop app that scans your screenshots and blacks out sensitive data like API keys, card numbers and IDs before you share them, processed entirely on your machine. Useful for anyone who screenshots for support tickets or docs.
Works offlineOpen source
What to know▼
How it works
An on-device tool that scans screenshots and detects and redacts sensitive data — API keys, IBANs, payment cards, national IDs and emails — before you share them.
What's different
Processing happens entirely on your machine, built with TypeScript, Tauri and Tesseract OCR; nothing is uploaded.
Best for
Developers and anyone who shares screenshots for support tickets or documentation and wants to avoid accidentally exposing secrets or personal data.
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A password manager built on the open, KeePass-compatible KDBX format, storing logins, passkeys, cards and TOTP codes in one encrypted vault with Face ID autofill.
Data stays with youOpen sourceNo ads
What to know▼
How it works
Stores logins, passkeys, credit cards, secure notes and TOTP codes in an encrypted vault, built on the open KDBX format compatible with KeePass and KeePassXC, with one-tap AutoFill and Face ID across iPhone, iPad, Mac, Windows and Linux.
What's different
Uses the open KDBX format instead of a proprietary vault, so you're not locked into one vendor, with zero-knowledge on-device encryption before sync.
Best for
People wanting a KeePass-compatible password vault across Apple, Windows and Linux devices without vendor lock-in.
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A VPN with only US-based, RAM-only servers, open-source code you can audit, and anonymous sign-up by number, payable in cash or Monero. A general consumer privacy product, not a developer tool.
Open sourceNo tracking
What to know▼
How it works
A VPN running only on US-based, RAM-only servers (making log retention technically impossible), with open-source code you can audit and account signup by a 16-digit number instead of email.
What's different
Anonymous accounts and payment by mail-in cash, prepaid vouchers, or Monero, plus open-source code for independent auditing.
Best for
US-based users who want their VPN traffic and account to stay off American-soil data requirements without disclosing identity.
