
Shodan
Censys
ZoomEye
ZMap
Criminal IP
FOFA
Nessus
Advanced cybersecurity search engine for threat intelligence, botnet tracking, and scanner detection. Free cybersecurity tools for professionals.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Whatoblock.com and Diffyn.
Whatoblock.com's answer
Whatoblock.com provides real-time global threat intelligence with live visual threat mapping and powerful search across scanners, botnets, and malicious activity. It combines API access, analytics, and automated alerts so security teams can detect, investigate, and block external threats quickly.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Whatoblock.com's answer
A person should choose Whatoblock.com because it offers real-time global threat visibility with an interactive live threat map and powerful threat search, combined with flexible API access, actionable analytics, and automated alerts all in one platform. This lets defenders, analysts, and developers quickly detect, investigate, and respond to malicious activity without switching between multiple tools.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Whatoblock.com's answer
Whatoblock.com is built on a modern cloud native stack using Linux servers, Docker containers, and distributed data processing technologies such as ClickHouse, Kafka, and Redis for high speed threat data ingestion and analytics. The platform logic and APIs are developed with Node.js and Python, supported by real time monitoring tools, scalable databases, and global network sensors deployed across multiple providers.
Diffyn's answer:
React, Next.js, POSTGRESQL
Whatoblock.com's answer
The primary audience of Whatoblock.com includes cybersecurity professionals, security operations teams, and network administrators who need real time visibility into global threats and malicious activity. It is also built for developers, researchers, and organizations that require reliable threat intelligence data and APIs to strengthen monitoring, detection, and automated defenses.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Whatoblock.com's answer
Whatoblock.com started as a practical way to understand who is really scanning the internet and why, by collecting real traffic from a distributed sensor network instead of relying only on shared feeds.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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ZMap is a fast single packet network scanner designed for Internet-wide network surveys.
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Criminal IP protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects.
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FOFA is a Search Engine for global cyberspace mapping. Through continuous active detection of global Internet assets, identifying most software and hardware network assets.
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