Apps similar to CheckMate.bio include Blackbird OSINT, which is free and open source. Other options are SpiderFoot, Sherlock, IDCrawl and OSINT-tool. People Search Engines like CheckMate.bio are a crowded field, with more than 25 alternatives for the web, Linux, Mac, Windows and Android.
Combines username and email searches on over 600 platforms with AI-powered analysis, metadata extraction, WhatsMyName integration, customizable filters, PDF/CSV/HTTP exports, and a dedicated CLI for streamlined OSINT, social media research, compliance, and data collection.
Brazil
Automates open source intelligence by collecting, analyzing, and correlating data from diverse sources, offering web and command-line interfaces, modular plugins, detailed reports, data export, platform flexibility, and support for advanced integrations.
Malta
EU
Command line tool that checks usernames across hundreds of social media platforms, outputs results as text, CSV, or JSON, is cross-platform and open source, lightweight, privacy-respecting, supports bulk searches, aids security audits, and digital investigations.
Sri Lanka
IDCrawl.com is a free people search engine that organizes social media profiles, public web information, phone numbers, email addresses and criminal records.
United States
OSINT tool is a browser extension and web application built for researchers, investigators, journalists and intelligence analysts. Our extension gives you access to a suite of OSINT utilities directly on any webpage you visit.
South Africa
Identity solutions provider for decoding online identities, linking them to offline records, verifying user authenticity, and fast-tracking approvals. Supports marketplaces, media, commerce, investigation teams, and search platforms while ensuring trust and online safety.
United States
Founded by a cybersecurity and OSINT specialist with more than 10 years of experience, Epieos provides training, investigation and software services to organisations and individuals. We facilitate their efforts to collect and analyse open source information.
PeekYous people search engine allows you to find, contact, and track anyone online. Find photos, links, work history, alumni info, family members and more.
Spokeo is a people search engine that organizes White Pages listings, Public Records and Social Network Information to help you safely find & learn about people.
Efficiently finding registered accounts from emails. Holehe allows you to check if the mail is used on different sites like Twitter, Instagram and will retrieve information on sites with the forgotten password function.
OSINTsearch is a live username search engine for investigators and researchers. Type a handle and get matching public profiles as sources respond, including former usernames and traces of deleted accounts where sources still return them.
United States
Maigret collects a dossier on a person by username only, checking for accounts on a huge number of sites and gathering all the available information from web pages. No API keys required. Maigret is an easy-to-use and powerful fork of Sherlock.
Russia
