Mass scanners (search engines)

   Censys – platform that helps information security practitioners discover, monitor, and analyze devices.
   Shodan – the world’s first search engine for Internet-connected devices.
   Shodan 2000 – this tool looks for randomly generated data from Shodan.
   GreyNoise – mass scanner such as Shodan and Censys.
   ZoomEye – search engine for cyberspace that lets the user find specific network components.
   netograph – tools to monitor and understand deep structure of the web.
   FOFA – is a cyberspace search engine.
   onyphe – is a search engine for open-source and cyber threat intelligence data collected.
   IntelligenceX – is a search engine and data archive.
   binaryedge – it scan the entire internet space and create real-time threat intelligence streams and reports.
   Spyse – Internet assets registry: networks, threats, web objects, etc.
   wigle – is a submission-based catalog of wireless networks. All the networks. Found by Everyone.
   PublicWWW – find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.
   IntelTechniques – this repository contains hundreds of online search utilities.
   hunter – lets you find email addresses in seconds and connect with the people that matter for your business.
   GhostProject? – search by full email address or username.
   databreaches – was my email affected by data breach?
   We Leak Info – world’s fastest and largest data breach search engine.
   Pulsedive – scans of malicious URLs, IPs, and domains, including port scans and web requests.
   Buckets by Grayhatwarfar – database with public search for Open Amazon S3 Buckets and their contents.
   Vigilante.pw – the breached database directory.
   builtwith – find out what websites are built with.
   NerdyData – search the web’s source code for technologies, across millions of sites.
   zorexeye – search for sites, images, apps, softwares & more.
   Mamont’s open FTP Index – if a target has an open FTP site with accessible content it will be listed here.
   OSINT Framework – focused on gathering information from free tools or resources.
   maltiverse – is a service oriented to cybersecurity analysts for the advanced analysis of indicators of compromise.
   Leaked Source – is a collaboration of data found online in the form of a lookup.
   We Leak Info – to help everyday individuals secure their online life, avoiding getting hacked.
   pipl – is the place to find the person behind the email address, social username or phone number.
   abuse.ch – is operated by a random swiss guy fighting malware for non-profit.
   malc0de – malware search engine.
   Cybercrime Tracker – monitors and tracks various malware families that are used to perpetrate cyber crimes.
   shhgit – find GitHub secrets in real time.
   searchcode – helping you find real world examples of functions, API’s and libraries.
   Insecam – the world biggest directory of online surveillance security cameras.
   index-of – contains great stuff like: security, hacking, reverse engineering, cryptography, programming etc.
   Rapid7 Labs Open Data – is a great resources of datasets from Project Sonar.
   Common Response Headers – the largest database of HTTP response headers.

Mobile apps scanners

   ImmuniWeb® Mobile App Scanner – test security and privacy of mobile apps (iOS & Android).
   Quixxi – free Mobile App Vulnerability Scanner for Android & iOS.
   Ostorlab – analyzes mobile application to identify vulnerabilities and potential weaknesses.

Private Search Engines

   Startpage – the world’s most private search engine.
   searX – a privacy-respecting, hackable metasearch engine.
   darksearch – the 1st real Dark Web search engine.
   Qwant – the search engine that respects your privacy.
   DuckDuckGo – the search engine that doesn’t track you.
   Swisscows – privacy safe web search
   Disconnect – the search engine that anonymizes your searches.
   MetaGer – the search engine that uses anonymous proxy and hidden Tor branches.