Spokeo – People search engine and free white pages finds phone, address, email, and photos. Find people by name, email, address, and phone for free.
theHarvester – This tool is intended to help Penetration testers in the early stages of the penetration test in order to understand the customer footprint on the Internet. It is also useful for anyone that wants to know what an attacker can see about their organization.
Foca – FOCA 3.2 Free is a fingerprinrint and information gathering tool for pentesters. It searchs for servers, domains, URLS and public documents and print out discoverd information in a network tree. It also searches for data leaks such as metadata, directory listing, unsecure HTTP methods, .listing or .DS_Store files, actived cache in DNS Serves, etc…
Shodan – Search for computers based on software, geography, operating system, IP address and more
Maltego – Maltego is a unique platform developed to deliver a clear threat picture to the environment that an organization owns and operates. Maltego’s unique advantage is to demonstrate the complexity and severity of single points of failure as well as trust relationships that exist currently within the scope of your infrastructure.
Deep Magic – Search for DNS records and other fun stuff
Jigsaw – Jigsaw is a prospecting tool used by sales professionals, marketers and recruiters to get fresh and accurate sales leads and business contact information.
Hoovers – Search over 85 million companies within 900 industry segments; Hoover’s Reports Easy-to-read reports on key competitors, financials, and executives
Market Visual – Search Professionals by Name, Company or Title
FoxOne Scanner – Non- Invasive and Non-Detectable WebServer Reconnaissance Scanner
Creepy – creepy is an application that allows you to gather geolocation related information about users from social networking platforms and image hosting services.
Recorded Future – Recorded Future intelligence analysis tools help analysts understand trends in big data, and foresee what may happen in the future. Groundbreaking algorithms extract temporal and predictive signals from unstructured text. Recorded Future organizes this information, delineates results over interactive timelines, visualizes past trends, and maps future eventsâ€" all while providing traceability back to sources. From OSINT to classified data, Recorded Future offers innovative, massively scalable solutions.
MobiStealth – Mobistealth Cell Phone Spy Software empowers you to get the answers you truly want and deserve. Including a host of advanced surveillance features, our Cell Phone Spy Software secretly monitors all cell phone activities and sends the information back to your Mobistealth user account.
Snoopy – Snoopy is a distributed tracking and profiling framework
Stalker – STALKER is a tool to reconstruct all captured traffic (wired or wireless alike) and parse out all of the "interesting" information disclosures. It goes beyond just grabbing passwords and emails out of the air as it attempts to build a complete profile of your target(s). You would be amazed at how much data you can collect in 15 minutes.
LinkedIn Maps – Your professional world. Visualized. Map your professional network to understand the relationships between you and your connections
LittleSis – LittleSis is a free database of who-knows-who at the heights of business and government.
Entity Cube – EntityCube is a research prototype for exploring object-level search technologies, which automatically summarizes the Web for entities (such as people, locations and organizations) with a modest web presence.
TinEye – TinEye is a reverse image search engine currently in beta. Give it an image and it will tell you where the image appears on the web.
Google Hacking DB – Google Search Query Fu to find the secret sauce
ServerSniffServerSniff.net – Your free "Swiss Army Knife" for networking, serverchecks and routing with many many little toys and tools for administrators, webmasters, developers, powerusers und security-aware users.
MyIPNeighbours – My IP Neighbors lets you find out if any other web sites ("virtual hosts") are hosted on a given web server.
Social Mention – Social Mention is a social media search engine that searches user-generated content such as blogs, comments, bookmarks, events, news, videos, and more
Glass Door – Search jobs then look inside. Company salaries, reviews, interview questions, and more – all posted anonymously by employees and job seekers.
NameCHK – Check to see if your desired username or vanity url is still available at dozens of popular Social Networking and Social Bookmarking websites.
Scythe – The ability to test a range of email addresses (or account names) across a range of websites (e.g. social media, blogging platforms, etc) to find where those targets have active accounts.
Recon-NG – A nice Python Script that automates recon on LinkedIn, Jigsaw, Shodan and some search engine fu.
Pushpin – Awesome little Python script that will identify every tweet, flicker pic and Youtube video within an area of a specific Geo address.
Silobreaker – Enterprise Semantic Search Engine, allows virtualisation of data, analytics and exploration of key data.
Google Trends – See what are the popular related topics people are searching for. This will help widen your search scope.
Google Alerts – Google Alerts are email updates of the latest relevant Google results (web, news, etc.) based on your queries.
Addict-o-matic – Nice little search aggregator. Allows you to enter a search term and build a page from search and social networking sites.
PasteLert – PasteLert is a simple system to search pastebin.com and set up alerts (like google alerts) for pastebin.com entries. This means you will automatically recieve email whenever your term(s) is/are found in new pastebin entries!
Kurrently – Real Time Search Engine for Social Media.
CheckUsernames – Check for usernames across 160 Social Networking Sites.
Whos Talkin – social media search tool that allows users to search for conversations surrounding the topics that they care about most.
192 – Search for People, Businesses and Places in the UK.
Esearchy – Esearchy is a small library capable of searching the internet for email addresses. It can also search for emails within supported documents.
TouchGraph SEO – Java based tool for importing and visualising various data types.
TalkBack – Talkback is a web-based system to view trending vulnerability and security research data mined from social-media.
Tweet Archivist – Tweets are ephemeral. Tweets disappear. Why? That’s the way Twitter is designed. Tweet Archivist can save those tweets before they’re gone. Now, to be clear, Tweet Archivist is not an archive of every tweet ever tweeted. It doesn’t have a database of all tweets.
Whoisology – Handy little search engine based on Whois data to identify domains owned by a specific contact.
Carrot2 – Nice little visualisation search engine.
iSeek – Another handy search engine that break results down into easy to manage categories.
GlobalFileSearch – An FTP Search Engine that may come in handy.
NerdyData – Neat search engine that works at the source code level.
OneMillionTweetMap – Provides visual confirmation of tweets where geotags are enabled, also provides heatmaps for heavy tweet areas.
SpiderFoot – The main objective of SpiderFoot is to automate this process to the greatest extent possible, freeing up a penetration tester’s time to focus their efforts on the security testing itself.
Username Search – Handy site that will search multiple sites for usernames, email addresses and phone numbers.
PlaTO – Searchable list for sites that store credentials in plaintext (taken from Plaintext Offenders)
GitRob – Handy OSINT tool for finding interesting things related to an organisation in GitHub
LeakedIn – Aggregator site for data samples lost or disclosed online
Default Passwords List – Great list on CIRT.net of default passwords for various devices which often comes in handy.
Searchcode – Handy source code search engine to find code thats been shared online. May contain usernames, passwords, specific strings, etc.
Echosec – Location-based search platform based on social media and other information.
Sublist3r – Python tool that is designed to enumerate subdomains of websites using search engines.
Knowem – KnowEm allows you to check for the use of your brand, product, personal name or username instantly on over 500 popular and emerging social media websites.
Tinfoleak – Get detailed info about Twitter users with this handy python script

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