
exist
EXIST is a web application for aggregating and analyzing cyber threat intelligence.

MISP (core software) - Open Source Threat Intelligence and Sharing Platform

An advanced real time threat intelligence framework to identify threats and malicious web traffic on the basis of IP reputation and historical data.

Open-source collaborative note-taking platform for cybersecurity and CTI teams. IOC auto-extraction, STIX 2.1 export, real-time editing, RBAC,…

Advanced Phishing Protection: Suricata rulesets open and free

Open source platform for cyber security analysts with many features for threat intelligence and detection engineering.

Taxonomies used in MISP taxonomy system and can be used by other information sharing tool.

Open Cyber Threat Intelligence Platform

Local security intelligence for CVE triage — 31 tools, 25 sources, risk scores and an MCP server for AI agents, all in native Rust. Private by…

Indicators of Compromise from Amnesty International's cyber investigations