nowfound

Commerce · alternatives · 2026

24 alternatives to Defender

Defender - the noise masking machine

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Defender launched in 2023; newer entries below may have overtaken it.

  1. 1

    Hi HN, MCP Defender is an open source desktop app that automatically proxies your MCP traffic in AI apps like Cursor, Claude, Windsurf and VSCode. It then scans all requests and responses between the apps and the MCP tools they call. If it detects anything malicious, it alerts you and lets you allow or block the tool call. While the threat landscape of MCP is still being actively researched, there are dangerous things that MCP Defender can block today. For example, a developer asks Cursor to fix a Github issue with an attached crash log. However, the Github issue was created by an attacker…

    2025 · mcpdefender.com · its alternatives →

  2. 2

    Smart personal protection

    2017 · getthedefender.com · its alternatives →

  3. 3

    A protective barrier between your device and hackers

    2014 · crowdsupply.com · its alternatives →

  4. 4

    Hi HN, I spent the past year building this in my spare time because I got tired of enterprise security tools that cost $50K/year and don't understand Linux. TheProtector is a comprehensive security monitoring tool that actually runs on the systems we use (Linux) instead of being a Windows-first afterthought. Built it entirely on a $500 laptop because I believe good security shouldn't require unlimited budgets. Features: - Real-time process, network, and file monitoring - YARA malware detection with custom rules - eBPF kernel monitoring (when available) - Behavioral baseline…

    2025 · github.com · its alternatives →

  5. 5

    Ultimate iOS system-wide ad blocking and privacy protection

    2018 · adguard.com · its alternatives →

  6. 6

    Access blocked sites and apps from anywhere in the world.

    2014 · its alternatives →

  7. 7

    Define safety at runtime for text and images

    Aug 2026 · mistral.ai · its alternatives →

  8. 8

    Tips, tools, and how-tos for safer online communications

    2022 · ssd.eff.org · its alternatives →

  9. 9

    Machine Learning to Secure WiFi Network & Connected Devices

    2019 · indiegogo.com · its alternatives →

  10. 10

    Time to announce Noisy Sockets Shell, the first in a series of WireGuard powered applications I'm working on. Noisy Sockets Shell is an SSH replacement that uses WireGuard for authentication and encryption, and WebSockets for communication. CLI and browser client available.

    2024 · github.com · its alternatives →

  11. 11
    Mask▲116

    A paywall built for the modern web

    2016 · trymask.com · its alternatives →

  12. 12

    Protect your loved ones, employees or customers from scams

    2023 · its alternatives →

  13. 13

    EyeSpy Shield LLC. Your Silent Guard Against Digital Threats

    Jan 2026 · eyespyshield.com · its alternatives →

  14. 14

    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 →

  15. 15

    Physically avoid anyone you'd rather not run into.

    2014 · its alternatives →

  16. 16

    Real-time form protection against bad emails

    2024 · usebouncer.com · its alternatives →

  17. 17

    Protect your privacy with honeypots and get notified

    2023 · its alternatives →

  18. 18

    Firewall for crypto wallets

    2022 · gatekeep.xyz · its alternatives →

  19. 19

    Automated security assistant for developers

    2020 · shieldfy.io · its alternatives →

  20. 20

    An Ultimate Security Suite To Safeguard Your PC

    2022 · its alternatives →

  21. 21

    Defend your forms from spam

    Dec 2025 · formdefender.me · its alternatives →

  22. 22OS
  23. 23

    Protect your iOS devices from theft and snooping

    2024 · apps.apple.com · its alternatives →

  24. 24

    Smart defense for your website against bots and attacks

    Dec 2025 · its alternatives →

Also compare

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 →