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Dev tools · alternatives · 2026

24 alternatives to Protector – Ruby ORM security on a field level

Protector is an ORM extension providing DSL for managing security restrictions on a field level. Check out how at README (https://github.com/inossidabile/protector) & why at my blog post – http://staal.io/blog/2013/06/04/the-protector/.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Protector – Ruby ORM security on a field level launched in 2013; newer entries below may have overtaken it.

  1. 1II
  2. 2
    Guard▲373

    An AI that reads privacy policies for you

    2019 · its alternatives →

  3. 3
    Warestack▲444

    Agentic guardrails for safe releases

    2025 · warestack.com · its alternatives →

  4. 4

    Zero-Trust access management with true WireGuard® 2FA/MFA - DefGuard/defguard

    2023 · github.com · its alternatives →

  5. 5

    Hi HN! Fence wraps any command in a sandbox that blocks network by default and restricts filesystem writes. Useful for running semi-trusted code (package installs, build scripts, unfamiliar repos) with controlled side effects, or even just blocking tools that phone home. > fence curl https://example.com # -> blocked > fence -t code -- npm install # -> template with registries allowed > fence -m -- npm install # -> monitor mode: see what gets blocked One use-case is to use it with AI coding agents to reduce the risk of running agents with fewer interactive permission prompts: >…

    Jan 2026 · github.com · its alternatives →

  6. 6
    HOL Guard▲106

    The 1st Firewall for AI Agents

    Jul 2026 · hol.org · its alternatives →

  7. 7

    Open sourced application to detect security vulnerabilities.

    2020 · github.com · its alternatives →

  8. 8

    Secure command line tools without slowing down your team.

    2021 · cased.com · its alternatives →

  9. 9

    I kept seeing every npm/pnpm/yarn/bun/uv supply chain post end with the same advice (set a minimum release age, turn off install scripts), and while I know cooldowns are "controversial", they do work. But even if you convince people that they should set cooldowns, it seems many don't end up following through, not sure why, maybe because it means hand-editing five config files in five formats with five different time units, or perhaps the "it won't happen to me" syndrome (or "I'll do it later, it seems complicated" where it's actually very simple). So I created a tool that…

    Jun 2026 · github.com · its alternatives →

  10. 10
    Fence▲87

    AI powered security helping keep users safe online.

    2022 · its alternatives →

  11. 11

    Make the spammers pay, literally

    2023 · its alternatives →

  12. 12

    Secure your accounts, protect your privacy

    2022 · ironvest.com · its alternatives →

  13. 13OS
  14. 14

    Define safety at runtime for text and images

    Aug 2026 · mistral.ai · its alternatives →

  15. 15

    Shared abuse intelligence for GitHub maintainers

    May 2026 · oss-protector.raedbahri90.workers.dev · its alternatives →

  16. 16

    A zero-radius design system for AI coding agents. Hairline structure, blueprint detailing, a disciplined neutral palette, and a linter that keeps it honest.

    2022 · github.avestura.dev · its alternatives →

  17. 17
    Guard▲13

    AI-powered cloud security, simplified

    2024 · its alternatives →

  18. 18

    Runtime Application Self-Protection - The Complete Guide

    2021 · doverunner.com · its alternatives →

  19. 19
    GitHub▲12

    Modular AI threat detection & GDPR logging for LLMs

    2025 · github.com · its alternatives →

  20. 20

    Download Firewall - Spam Call Blocker by Ad Hoc Labs, Inc on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Firewall - Spam…

    2019 · apps.apple.com · its alternatives →

  21. 21

    A new generation security layer for AI models

    2024 · gen0sec.com · its alternatives →

  22. 22

    Protect your RoR website from an inappropriate content.

    2016 · netguru.com · its alternatives →

  23. 23

    Smart defense for your website against bots and attacks

    Dec 2025 · its alternatives →

  24. 24

    Protect public emails from scraping

    2016 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →