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Privacy Guides comparison page for choosing VPN providers and understanding VPN tradeoffs.

Open Bug Bounty is a developer resource for coding, documentation, communities, security research, or software tools.

OpenCVE is a developer resource for coding, documentation, communities, security research, or software tools.

GitHub collection of APT reports, threat actor notes, and security research documents.

Open source intelligence toolkit for gathering and analyzing information from websites and online sources.

Russian-language guide for reducing online exposure and understanding counter-OSINT practices.

Guide to free and open source privacy tools, safer apps, and alternatives to data-heavy services.

Python package template for building command-line OSINT tools with a reusable project structure.

Python OSINT crawler for extracting URLs, files, endpoints, and related website data.

Open source team chat platform for messaging, collaboration, and self-hosted communication.

Free and open-source domain and infrastructure research toolkit combining DNS, RDAP, WHOIS, passive subdomain discovery, IP and ASN data, email authen

Exploit-DB paper archive with security research, exploitation papers, and technical writeups.

Exploit-DB binary exploit archive for security research and controlled testing.

Security research toolkit for extracting, transforming, and analyzing data during investigation workflows.

Research database covering Russian aggression, military activity, and related open-source evidence.

OSINT tool for collecting domain, IP, ASN, and infrastructure intelligence from multiple sources.

Open source tool that searches newly registered domain feeds to find typosquatting, IDN homograph, doppelganger and bitsquatting domains impersonating

Python tool that identifies hashes, emails, IPs, URLs, and other strings found in text or files.

GitHub malware research repository containing live samples for controlled analysis environments.

Community threat intelligence platform for indicators, pulses, malware, and attack research.

OpenLinkProfiler is a web tool for finding, checking, or analyzing online information related to domains, networks, and digital services.

Free, no-login IP reputation lookup that aggregates up to 8 risk sources, flags residential vs datacenter, and profiles /24 C-block neighbors. Also of

Paste search tool for finding public pastebin-style snippets, text dumps, and shared code.

Fast subdomain finder with multiple search modes and the most extensive data sources, offering real-time notifications.