
Promptfoo
PromptBrake
Giskard.ai
DragonSec.io
Mindgard.ai
Pyrit
Snyk
garak is an open-source LLM vulnerability scanner, with dozens of plugins and thousands of prompts that test large language model security.

StackLedge
AI Directory Wiki
AI Toolbase
ai tools directory
Directory for AI
Pythagora
Full Stack AI
10 tabs → 1.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | garak.ai | trystackd.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


No analysis of garak yet.
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Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using garak and Stackd. For example, how are they different and which one is better?
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Automated AI security testing for agents, chatbots, and APIs. Find prompt injection, data leaks, and unsafe behavior before launch.
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Open-source & Collaborative Quality Testing for AI models
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Discover and compare AI tools by category, use case, and workflow.
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