keys.openpgp.org
OpenPGP key directory for finding, verifying, and sharing public encryption keys by email address.
Directory
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Published directory entries matching your search.
milled.com
Searches marketing emails, newsletters, deals, and brand campaigns from Milled's archive.
securitytrails.com
API to search current and historical DNS records, current and historical WHOIS, technologies used by sites and whois search for phone, email, address,
rfsearch.com
Radio frequency search site for finding spectrum, callsigns, and communication-related data.
calames.abes.fr
French union catalog of archives and manuscripts in higher education libraries.
radio-locator.com
Radio station search engine for finding AM, FM, and internet radio stations by location or call sign.
research.rkd.nl
Digitized card catalog database in the Netherlands RKD (called Hofstede de Grootfiches).
pypi.org
Breach hunting tool that checks emails against breach data sources and local leak collections.
centralops.net
CentralOps collection of DNS, WHOIS, traceroute, email, and network lookup tools.
search.wikileaks.org
WikiLeaks Global Intelligence Files search archive with emails, reports, and investigative documents.
gnus.org
Email/usenet client and feed aggregator for Emacs.
intelx.io
OSINT search platform for finding emails, domains, leaks, dark web data, and public records.
intelx.io
OSINT search platform for finding emails, domains, files, leaks, and public records across sources.
t.me
Telegram link for email tools updates, bots, resources, or community discussion.
pypi.org
A tool for checking username and email availability across social networks and online services.
synapsint.com
OSINT platform for searching domains, IPs, emails, certificates, and related intelligence.
t.me
Telegram link for email tools updates, bots, resources, or community discussion.
exploit-db.com
The GHDB is an index of search queries (we call them dorks) used to find publicly available information, intended for pentesters and security researchers.
ai.calabria.it
Collaborative project to document Calabrian dialects.
archtools.dev
One API key, 63 AI agent tools: web search, scraping, AI generation, OCR, crypto data. LangChain + MCP ready. Pay per call with credits or x402/USDC.
ir.cala-web.org
CALA Academic Resource & Repository System.
cdlib.org
Browse research datasets and text related to engineering.
library.ucsb.edu
Find digitized publications and collection items through an online library.
code.ca.gov
Searchable data library for finding datasets and supporting research materials.