
Intruder
Acunetix
Censys
Nessus
Horangi
PracticeProtect
Invicti (formerly Netsparker)
Shodan is the world's first search engine for Internet-connected devices.

NovoPsych
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures by secure link and review scored results, severity bands and reports.
Which is more popular?
Based on our record, Shodan seems to be more popular. It has been mentioned 93 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | shodan.io | clientforms.app |
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In their own words, as submitted to SaaSHub.


No description of Shodan yet.
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures such as the PHQ-9, GAD-7 and DASS-21 by secure link and get scored results, severity bands and reports ready to review. The catalogue also includes DSM-5 ADHD assessments and autism screening tools....
What each product offers, as listed by its team.


Possible disadvantages
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
Walkthroughs and reviews on video.
Searching the Internet with Shodan (Seen in Mr. Robot)
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Shodan and ClientForms.app.
ClientForms.app's answer:
Frontend: Next.js 15 (React 19), Tailwind CSS Backend: Supabase (PostgreSQL, Row-Level Security) Authentication: Clerk Payments: Stripe Hosting: Vercel (Sydney region) Database hosting: Supabase (Australian data residency)
ClientForms.app's answer:
Psychologists who assess ADHD and autism. Typically private practice, solo or small group (1-5 clinicians), currently using paper forms and spending hours on admin per assessment. They want something that works and is secure.
ClientForms.app's answer:
Neurodivergent-first design. Most digital forms just replicate paper online. ClientForms is built specifically for ADHD and autism patients - progress bars with time remaining (helps with time blindness), softer colours instead of harsh white, sticky headers so you always know where you are. The forms are designed to reduce anxiety and improve completion rates.
ClientForms.app's answer:
Most clinical software treats patients as an afterthought. ClientForms is designed specifically for neurodivergent users who are filling out the forms, progress indicators, time estimates, calmer colours, predictable layouts. One link, no signup required, works on any device. Patients just open and complete.
Share your experience with using Shodan and ClientForms.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you have a premium Shodan[0] account, they have an ‘Images’ view which is filtered VNC and other Remote Desktop screenshots and links to view them directly with the IP. Lots of security cameras, some SCADA industrial access control... - Source: Hacker News / 8 months ago
Transform OSINT sources such as shodan, bgpview & urlscan into templates which you can use to query & store any and each of the API endpoints they provide. Source: over 3 years ago
I'm a little surprised you're asking this but as you don't know - if you set the rulebase correctly, you won't get hammered by "public". A lot of people (of course not people here) don't do that which is why shodan.io is full of servers... Source: over 3 years ago
Tracking ClientForms.app since Dec 2025.
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Intruder is a security monitoring platform for internet-facing systems.
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NovoPsych is a tool that is used for outcome monitoring via conducting psychological tests online.
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Audit your website security and web applications for SQL injection, Cross site scripting and other...
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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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Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
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Horangi is a leading cyber-security solution that provides instant response and threat detection for companies who lack the time and expertise to monitor their system.
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