Open Source
Open Source groups the cybersecurity tools focused on open source, pulled from across every category so you can compare every option in one place. Filter by category or pricing to narrow the field. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
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FEATURED
Phishing threat intel platform detecting phishing URLs, kits & brand impersonation.
Open-source CLI platform for web recon, dir discovery & subdomain enum.
Email aliasing service that forwards mail to real inboxes without exposing them.
Enterprise password manager with E2E encryption, SSO, directory sync & self-host.
Open-source vuln management platform with automated triage and ASPM.
jQuery extension that blocks account creation using top hacked passwords.
CLI scanner that detects security threats in AI agent skills before installation.
Open-source CLI scanner for detecting security risks in AI agent skills.
Integrated portal for open source vulnerability analysis and action plan mgmt.
SCA tool detecting OSS vulnerabilities & license risks in code, binaries, containers.
Periodically scans servers for open source SW vulnerabilities and license issues.
Vendor-neutral org publishing open standards for OTP & strong auth.
Open source network security monitoring tool for traffic analysis
OpenSCA Project is a dependency security scanner that runs in the browser.
Email collection point designed to trap spammers and blacklist IPs.
Open-source LLM-powered deception framework for multi-protocol honeypot services.
Open-source event-driven automation platform for IT, DevOps & security ops.
Non-profit organization supporting the advancement of open source software.
Open-source C2 framework for red team ops and adversary simulation.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
OpenTAXII config enabling TAXII-based threat intel sharing with MISP.
Open-source IR documentation tool for tracking findings, tasks, and timelines.
Autonomous SOC agent that correlates alerts, maps threats in STIX 2.1, and acts.
