
AI Security Gateway
NeuralTrust.ai
Wardstone.ai
Protecto.ai
Llama Guard
AEVRIS
Cencurity
Drop-in AI security proxy: blocks prompt injection, scans LLM outputs for PII and secrets, scans model files. Self-serve, 14-day free trial.

Deno
Full-stack Javascript Components for one-dev armies

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | aidren.co.uk | nullstack.app |
| Pricing | ||
| Company | Startup from the United Kingdom · 1 - 9 employees | — |
| Listed in |
In their own words, as submitted to SaaSHub.


AiDren is a drop-in security proxy for LLM applications: it screens prompts for injection, scans responses for leaks, and scans model files for malicious code. Change your OpenAI, Anthropic or Mistral base URL to point at AiDren and keep your existing SDK. A judge model screens each request for...
No description of Nullstack yet.
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
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Full-stack with Nullstack - Part 3
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How often each product is chosen within a category, 0–100% relative to the other.


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When comparing AiDren.co.uk and Nullstack, you can also consider the following products.

AI Security Gateway (AISG) is an AI firewall, LLM proxy & MCP Gateway that redacts 30+ PII types (text+vision), blocks prompt injections, smart-routes 600+ models, & enforces budgets —2-line integration, loop detection, zero data retention.
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A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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Our platform uncovers vulnerabilities, blocks attacks, monitors performance, and ensures regulatory compliance — everything enterprises need to scale AI Agents with confidence
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LLM firewall for prompt injection detection, content moderation, and PII protection. One API, Sub-30ms, any model.
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Safeguard Your AI Apps with Our AI Guardrails and Vault. We are the only AI guardrail that doesn’t affect your LLM/AI accuracy!
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Llama Guard 3 builds on the capabilities introduced in Llama Guard 2, adding three new categories.
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