


Open-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.

Open Cyber Threat Intelligence Platform

290+ Automated checks across 14 compliance frameworks, interactive HTML report, no data leaves your machine.

🦄 A curated list of privacy & security-focused software and services

Paperweight scans your inbox to map your digital footprint, then helps you take back control and delete your data. Local-first and open source.

A Python package and CLI for parsing aggregate and forensic DMARC reports

mboxShell. Fast terminal viewer for MBOX files of any size. Open, search and export emails from Gmail Takeout backups (50GB+) without loading them…

Real-time malicious traffic detection system using public blacklists, static malware trails, and heuristic analysis to identify threats across DNS,…

Spam filtering and email processing framework with regex rules, statistical analysis, custom Lua plugins, and external blocklists for MTA integration.

Real-time cloud-native runtime security agent for Linux that monitors syscalls and container/Kubernetes metadata to detect anomalous behavior and…

🔎 Username, email & phone OSINT — 9,700+ lookup checks from 19 projects, with profile enrichment, bulk searches, evidence graphs and expert-reviewed…

Sublime rules for email attack detection, prevention, and threat hunting.

Open-source XDR and SIEM platform for threat detection, log analysis, file integrity monitoring, vulnerability assessment, and compliance management…


Hands-on cybersecurity lab: mini-SOC on AWS, CloudTrail IOC analyzer, phishing analysis lab, ELF binary triage, SOC agent skills

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Automation to assess the state of your M365 tenant against CISA's baselines