GitHub

Bandit is an open-source tool that scans Python source code for security issues that show up in everyday development. Many security teams and developers use it as a quick way …

Bytebase is a DevOps platform for managing database schema and data changes through a structured workflow. It provides a central place for teams to submit change requests, run …

CISO Assistant is an open-source governance, risk, and compliance (GRC) platform designed to help security teams document risks, controls, and framework alignment in a …

Google and its Mandiant threat intelligence unit have released AuraInspector, an open-source tool aimed at auditing data access paths in Salesforce Experience Cloud …

Firewalls, VPN access, and traffic rules need steady attention, often with limited budgets and staff. In that context, the open source pfSense Community Edition (CE) continues …

OpenAEV is an open source platform designed to plan, run, and review cyber adversary simulation campaigns used by security teams. The project focuses on organizing exercises …

Superagent is an open-source framework for building, running, and controlling AI agents with safety built into the workflow. The project focuses on giving developers and …

Conjur is an open-source secrets management project designed for environments built around containers, automation, and dynamic infrastructure. It focuses on controlling access …

Anubis is an open-source tool designed to protect websites from automated scraping and abusive traffic by adding computational friction before a request is served. Maintained …

Zabbix is an open source monitoring platform designed to track the availability, performance, and integrity of IT environments. It monitors networks along with servers, …

Prometheus is an open-source monitoring and alerting system built for environments where services change often and failures can spread fast. For security teams and DevOps …

Open source security software has become a key way for teams to get flexibility, transparency, and capability without licensing costs. The free tools in this roundup address …