software
Portmaster: Open-source application firewall
Portmaster is a free and open source application firewall built to monitor and control network activity on Windows and Linux. The project is developed in the EU and is …
Hottest cybersecurity open-source tools of the month: November 2025
This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Heisenberg: …
DeepTeam: Open-source LLM red teaming framework
Security teams are pushing large language models into products faster than they can test them, which makes any new red teaming method worth paying attention to. DeepTeam is an …
Tor Project is rolling out Counter Galois Onion encryption
People who rely on Tor expect their traffic to move through the network without giving away who they are. That trust depends on the strength of the encryption that protects …
cnspec: Open-source, cloud-native security and policy project
cnspec is an open source tool that helps when you are trying to keep a sprawling setup of clouds, containers, APIs and endpoints under control. It checks security and …
Metis: Open-source, AI-driven tool for deep security code review
Metis is an open source tool that uses AI to help engineers run deep security reviews on code. Arm’s product security team built Metis to spot subtle flaws that are often …
Product showcase: Proton Pass, a password manager with identity protection
Managing passwords can be a real headache, and it’s still common to fall back on reusing them or storing them in a browser without much protection. Proton Pass, built by the …
Strix: Open-source AI agents for penetration testing
Security teams know that application flaws tend to show up at the worst time. Strix presents itself as an open source way to catch them earlier by using autonomous agents that …
ProxyBridge: Open-source proxy routing for Windows applications
ProxyBridge is a lightweight, open-source tool that lets Windows users route network traffic from specific applications through SOCKS5 or HTTP proxies. It can redirect both …
GNU Coreutils 9.9 brings fixes and updates across essential tools
GNU Coreutils is the backbone of many enterprise Linux environments. It provides the basic file, shell, and text utilities that every GNU-based system depends on. The latest …
sqlmap: Open-source SQL injection and database takeover tool
Finding and exploiting SQL injection vulnerabilities is one of the oldest and most common steps in web application testing. sqlmap streamlines this process. It is an …
VulnRisk: Open-source vulnerability risk assessment platform
VulnRisk is an open-source platform for vulnerability risk assessment. It goes beyond basic CVSS scoring by adding context-aware analysis that reduces noise and highlights …
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