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AI · alternatives · 2026

24 alternatives to NULLSQUARE

Secure The Unknown

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Manual penetration testing for cloud, web, APIs & AI systems

    Dec 2025 · nullstrike-security-ad7dc4.webflow.io · its alternatives →

  2. 2

    AI agents that find, validate, and fix every vulnerability

    Jun 2026 · getastra.com · its alternatives →

  3. 3
    Fabraix▲196

    We built Adversarial Cost to Exploit (ACE), a benchmark that measures the token expenditure an autonomous adversary must invest to breach an LLM agent. Instead of binary pass/fail, ACE quantifies adversarial effort in dollars, enabling game-theoretic analysis of when an attack is economically rational. We tested six budget-tier models (Gemini Flash-Lite, DeepSeek v3.2, Mistral Small 4, Grok 4.1 Fast, GPT-5.4 Nano, Claude Haiku 4.5) with identical agent configs and an autonomous red-teaming attacker. Haiku 4.5 was an order of magnitude harder to break than every other model; $10.21 mean…

    May 2026 · fabraix.com · its alternatives →

  4. 4

    The narrow control plane for AI agent tool and API calls.

    Aug 2026 · aegisora-ai.vercel.app · its alternatives →

  5. 5
    Regent▲11

    Know when your AI changes behavior

    Apr 2026 · portal.regentai.in · its alternatives →

  6. 6

    Anthropic and OpenAI's publicly available models are explicitly guard-railed so that they refuse offensive tasks. And their cyber-focussed models are gated for enterprises. This leaves SMEs and mid market open to major vulnerabilities. AI can be used as both an adversarial and defensive tool in the world of cyber. A worst case outcome is if only the adversaries have access. Meanwhile, most existing AI cyber tools are just wrappers. The problem is that they still have all the guardrails on from the foundation model where they will inherit its refusals. For this project we've post-trained a…

    Jun 2026 · argusred.com · its alternatives →

  7. 7

    An open benchmark for AI agents that test APIs

    May 2026 · resources.kusho.ai · its alternatives →

  8. 8

    Zero-trust security gateway for AI agents

    Jun 2026 · solongate.com · its alternatives →

  9. 9

    Secure At Scale, Inside All Stacks, All Apps, Anywhere.

    Dec 2025 · app.demo.accuknox.com · its alternatives →

  10. 10

    Advanced security testing agent for the modern web

    2025 · talwar.dev · its alternatives →

  11. 11

    Simplify security testing with AI, insights & reports

    2025 · pentest.transilience.cloud · its alternatives →

  12. 12
    Opviva▲10

    It proves your app's security holes, then fixes them

    Jul 2026 · opviva.com · its alternatives →

  13. 13

    The TLS for autonomous agent state.

    Jul 2026 · memora.optitransfer.ch · its alternatives →

  14. 14LO

    Latch is an open-source proxy that sits between AI agents and the tools they use. It intercepts all tool calls and applies security policies in real-time: Safe operations pass through instantly. Risky operations require human approval via dashboard or Telegram. Dangerous operations are blocked completely I built Latch to address the growing security risks of AI agents accessing critical systems. There have been 1,800+ exposed agent gateways discovered in the wild and recent security audits showing multiple vulnerabilities in agent frameworks, so this was motivated by the clear urgent need…

    Feb 2026 · latchagent.com · its alternatives →

  15. 15

    The page you were looking for doesn

    2025 · superglue.ai · its alternatives →

  16. 16

    Security testing for AI agents

    Mar 2026 · zeroleaks.ai · its alternatives →

  17. 17

    Three AI testers. One click. Ship with confidence.

    Jan 2026 · its alternatives →

  18. 18

    Gen AI based Scan, Deploy & Protect modern cloud apps

    2024 · pervaziv.com · its alternatives →

  19. 19

    Security Simplified !

    2025 · its alternatives →

  20. 20

    Spot Risky AI Behavior Before It Ships

    Jun 2026 · sentinelaihq.com · its alternatives →

  21. 21

    Security Startups Love

    2025 · aikocorp.ai · its alternatives →

  22. 22
    FAAST▲13

    Full agentic application security testing

    2025 · github.com · its alternatives →

  23. 23

    Ship secure code

    Jun 2026 · scan.nulltribe.com · its alternatives →

  24. 24
    Linden▲8

    Validate AI Outputs Before They Reach Your Application

    Jul 2026 · ai-reliability-frontend.vercel.app · 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 →