
Shodan
Censys
ZoomEye
Criminal IP
Netlas.io
IVRE
wapiti
FOFA is a Search Engine for global cyberspace mapping. Through continuous active detection of global Internet assets, identifying most software and hardware network assets.

StackSource
AI-native commercial mortgage brokerage. One submission, lender matching, and human support through closing. No upfront fees.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | fofa.info | yieldstack.ai |
| Pricing | ||
| Company | 2016 | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


More than 7 billion assets have been identified through active detection of global Internet assets. Additionally, 350,000 fingerprint rules have been accumulated. This allows for the identification of most software and hardware network assets. Asset data can be used to support external...
YieldStack helps real estate investors, developers, and brokers find commercial mortgage financing from third-party lenders. Borrowers submit a financing request through one platform. AI supports deal preparation and lender-program matching, while YieldStack’s brokerage team helps compare offers,...
What each product offers, as listed by its team.


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


No analysis of FOFA yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
FOFA Find One Find All Key Finder Demo, Review & Setup
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FOFA and YieldStack.
YieldStack's answer:
The largest CRE Lenders in the USA
YieldStack's answer:
AI integrations supporting the platform’s workflows.
YieldStack's answer:
YieldStack combines AI-assisted lender matching with hands-on commercial mortgage brokerage. Borrowers submit once, compare financing options, and work with a team that handles structuring, negotiation, and closing coordination. Borrowers approve lender outreach, with no upfront fees and a broker fee paid only at closing.
YieldStack's answer:
YieldStack helps borrowers evaluate the whole financing offer: rate, leverage, fees, reserves, prepayment terms, and closing requirements. Its platform organizes the process, while its brokerage team helps borrowers find suitable lenders and move the deal forward. One submission gives borrowers a coordinated financing process without an upfront brokerage fee.
YieldStack's answer:
Commercial real estate investors, developers, operators, and mortgage brokers seeking bridge, DSCR, fix-and-flip, construction, multifamily, and permanent financing across the United States.
YieldStack's answer:
Rommin Adl and Daniel Chesney founded YieldStack to simplify commercial real estate financing. The platform brings deal preparation, lender matching, offer comparison, and closing coordination into one workflow, combining AI-assisted analysis with human brokerage expertise.
Share your experience with using FOFA and YieldStack. For example, how are they different and which one is better?
When comparing FOFA and YieldStack, you can also consider the following products.

Shodan is the world's first search engine for Internet-connected devices.
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Online platform for commercial real estate loans
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Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.
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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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Internet intelligence apps that provide accurate technical information about IP-addresses, domain names, web-sites, web-services, IoT-devices and other online assets.
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