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Article explaining OSINT mindset, search habits, source awareness, and investigative thinking.

OSINT Techniques site with guides, tools, forms, and training resources for investigations.

OSINT Techniques page listing tools for people search, websites, social media, and verification.

OSINT.SH

osint.sh

OSINT.sh offers browser-based lookup tools for domains, IPs, metadata, images, and public data.

OSINT support site with tools, browser extensions, guides, and investigative resources.

OSINT resource site with links, guides, tools, and investigation references.

Airtable-based OSINT resource list for simple scraping workflows and Twitter-focused research links.

Telegram link for OSINT resources updates, bots, resources, or community discussion.

The Top 132 Osint Open Source Projects

awesomeopensource.com

Awesome Open Source page listing popular OSINT repositories and open source investigation projects.

The Ultimate OSINT Collection

start.me

Start.me OSINT collection with categorized tools for people, websites, social media, and investigations.

Weekly OSINT newsletter archive covering new tools, methods, tutorials, and community updates.

Open source email alias service for creating disposable forwarding addresses and protecting inbox privacy.

AnonymMail.net helps create email aliases or forwarding addresses to protect your real inbox.

Email finding and verification service for discovering business email addresses and checking deliverability.

Checker for seeing whether an email appears in the historical Ashley Madison breach dataset.

Caspio search page for finding Cal Poly-related email records or directory information.

Can I Email? is a developer resource for coding, documentation, communities, security research, or software tools.

MXToolbox tool for analyzing email headers, tracing message routes, and spotting delivery or authentication issues.

Email Privacy Tester is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.

WikiLeaks archive for searching emails and documents from the Macron campaign leak.

OpenPGP Email Encryption is a privacy tool for blocking ads, trackers, popups, proxies, or unwanted web behavior.

Independent, ad-free email, calendar, and address-book service based in Germany, with privacy-focused account and encryption options.

Email alias service for creating forwarding addresses that protect your real inbox.

Open-source email alias service for receiving and replying without exposing a personal address, with apps, extensions, custom domains, and self-hosting support.