addy.io
Open source email alias service for creating disposable forwarding addresses and protecting inbox privacy.
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anonymmail.net
AnonymMail.net helps create email aliases or forwarding addresses to protect your real inbox.
anymailfinder.com
Email finding and verification service for discovering business email addresses and checking deliverability.
ashley.cynic.al
Checker for seeing whether an email appears in the historical Ashley Madison breach dataset.
c0acw966.caspio.com
Caspio search page for finding Cal Poly-related email records or directory information.
caniemail.com
Can I Email? is a developer resource for coding, documentation, communities, security research, or software tools.
hotsheet.com
Checks email-related breach signals and exposed data sources to support security reviews and OSINT research.
mxtoolbox.com
MXToolbox tool for analyzing email headers, tracing message routes, and spotting delivery or authentication issues.
emailprivacytester.com
Email Privacy Tester is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
wikileaks.org
WikiLeaks archive for searching emails and documents from the Macron campaign leak.
openpgp.org
OpenPGP Email Encryption is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.
posteo.de
Independent, ad-free email, calendar, and address-book service based in Germany, with privacy-focused account and encryption options.
x.com
Email alias service for creating forwarding addresses that protect your real inbox.
simplelogin.io
Open-source email alias service for receiving and replying without exposing a personal address, with apps, extensions, custom domains, and self-hosting support.
startmail.com
Dutch private email service with no advertising or profiling, unlimited aliases, spam protection, and PGP or password-protected messages.
trumail.io
Open source email verification service for checking syntax, MX records, and deliverability through an API.
github.com
OSINT tool that helps derive possible phone numbers connected to an email using partial number clues.
phonebook.cz
Finds email addresses, domains, and URLs connected to a company or domain for OSINT and sales research.
github.com
Command-line tool for checking which known breaches may be linked to a target email address.
github.com
OSINT framework for finding public information linked to phone numbers, emails, usernames, and other identifiers.
centralops.net
Collection of online network tools for DNS, IP lookup, email checks, and security research.
carrierlookup.com
Checks a phone number’s carrier, line type, country, and portability information.
ifconfig.me
IP Lookup is a developer resource for coding, documentation, communities, security research, or software tools.
leak-lookup.com
Leak Lookup is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.