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Alternatives

Products that do what ONYRI Sanitize does

Get the most out of AI without handing them your data.

  1. 1
    Astra116

    Make AI agents that never see your data

    Apr 2026

  2. 2SA

    Alright so if you run a self-hosted blog, you've probably noticed AI companies scraping it for training data. And not just a little (RIP to your server bill). There isn't much you can do about it without cloudflare. These companies ignore robots.txt, and you're competing with teams with more resources than you. It's you vs the MJs of programming, you're not going to win. But there is a solution. Now I'm not going to say it's a great solution...but a solution is a solution. If your website contains content that will trigger their scraper's safeguards, it will get dropped from their data…

    Dec 2025 · github.com

  3. 3OV

    We built OneCLI because AI agents are being given raw API keys. And it's going about as well as you'd expect. We figured the answer isn't "don't give agents access," it's "give them access without giving them secrets." OneCLI is an open-source gateway that sits between your AI agents and the services they call. You store your real credentials once in OneCLI's encrypted vault, and give your agents placeholder keys. When an agent makes an HTTP call through the proxy, OneCLI matches the request by host/path, verifies the agent should have access, swaps the placeholder for the real…

    Mar 2026 · github.com

  4. 4
    Kept104

    Your AI chats, saved as Markdown locally with no cloud

    May 2026 · kept.work

  5. 5

    Pentest and patch every deploy with AI

    Jun 2026 · bestdefense.io

  6. 6

    Redact your docs on-device before sharing to AI

    Apr 2026 · blankout-offline.com

  7. 7

    AI detects & stops sensitive-data leaks in APIs & apps.

    2024

  8. 8

    Paste freely. Leak nothing.

    17d ago · secretsanitizer.com

  9. 9AL

    Hi HN, I’m one of the maintainers of Bridge Anonymization. We built this because the existing solutions for translating sensitive user content are insufficient for many of our privacy-concious clients (Governments, Banks, Healthcare, etc.). We couldn't send PII to third-party APIs, but standard redaction destroyed the translation quality. If you scrub "John" to "[PERSON]", the translation engine loses gender context (often defaulting to masculine), which breaks grammatical agreement in languages like French or German. So we built a reversible, local-first pipeline for Node.js/Bun. Here…

    Dec 2025 · medium.com

  10. 10

    Secure your logs for AI. Local-first sanitization.

    Feb 2026

  11. 11CP

    Hi HN, I built CountermarkAI, a lightweight anti-scraping & bot-detection tool for content creators and website owners. It’s designed to help protect your work from unauthorized scraping and AI training, that repurposed your work without permission. How It Works: Use Hashtag – Creators add a unique hashtag to their content as a declaration of ownership. Protect Website – For those running your own sites, simply add a small snippet to your . The protect.js script works asynchronously by sending metadata from every page load back to our servers, logging requests, and flagging known AI-training…

    2025 · countermarkai.com

  12. 12PS

    What PII-Shield does: It's a K8s sidecar (or CLI tool) that pipes application logs, detects secrets using Shannon entropy (catching unknown keys like "sk-live-..." without predefined patterns), and redacts them deterministically using HMAC. Why deterministic? So that "pass123" always hashes to the same "[HIDDEN:a1b2c]", allowing QA/Devs to correlate errors without seeing the raw data. Key features: 1. JSON Integrity: It parses JSON, sanitizes values, and rebuilds it. It guarantees valid JSON output for your SIEM (ELK/Datadog). 2. Entropy Detection: Uses context-aware entropy…

    Feb 2026 · github.com

  13. 13

    Anonymize client docs before you paste them into AI

    Jul 2026 · promptshield.ca

  14. 14LP

    I built the desktop app that detects and redacts personal data (or PII) locally without sending any text to server. It supports rule-based filtering and AI model-based redaction (eg openai privacy filter). It's open source and free. Please check out the repo and https://pii-gui.vercel.app/

    Jun 2026 · github.com

  15. 15

    100% Local Privacy Shield for 10+ AI Platforms

    Feb 2026

  16. 16

    Stop leaking sensitive data to AI chatbots

    Feb 2026

  17. 17

    Context-aware PII sanitization for autonomous AI agents

    May 2026 · huggingface.co

  18. 18
    Cloak5

    Use ChatGPT without leaking your private data.

    Jan 2026

  19. 19

    Stop leaking company secrets to AI. 100% offline PII scrub

    Mar 2026

  20. 20HA

    Hi HN, I'm one of the creators of HoundDog.ai (https://github.com/hounddogai/hounddog). We currently handle privacy scanning for Replit's 45M+ creators. We built HoundDog because privacy compliance is usually a choice between manual spreadsheets or reactive runtime scanning. While runtime tools are useful for monitoring, they only catch leaks after the code is live and the data has already moved. They can also miss code paths that aren't actively triggered in production. HoundDog traces sensitive data in code during development and helps catch risky flows (e.g., PII…

    Feb 2026 · github.com

  21. 21

    AI JSON & CSV data sanitization with zero hallucinations

    19d ago · cleandata-ai.com

  22. 22

    The stealth browser engine for scrapers and AI agents

    Jul 2026 · github.com

  23. 23
    Naosuu3

    Redact sensitive identifiers from AI prompts locally

    Jun 2026 · naosuu.com

  24. 24

    Find & vault sensitive data hiding in your camera roll

    Apr 2026 · apps.apple.com

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