A directory of essential tools, search engines, and frameworks used for open-source intelligence gathering and CTF challenges.
Primary search engine. Essential for advanced search operators (Google Dorks) to uncover exposed directories, specific file types, and cached data.
The most powerful reverse image search engine for facial recognition and identifying locations, particularly effective for Eastern European regions.
Reverse image search tool excellent for finding the oldest chronological upload of an image to track down original sources.
Web-based username enumeration tool that scans hundreds of sites to find where a specific alias is registered.
Powerful command-line Python tool to hunt down social media accounts by username across social networks.
Free people search engine designed to organize social network profiles, public records, and surface-level data tied to a handle.
Real-time social media search engine to monitor public mentions, keywords, and specific account activities.
The ultimate historical web archive. Crucial for viewing deleted websites, past iterations of social profiles, and historical data dumps.
Creates a permanent snapshot of a webpage. Highly effective for preserving evidence before it gets deleted, and often bypasses standard paywalls.
Alternative web and YouTube video archive. Useful for capturing media that might be subject to takedowns.