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 designed to give users stronger privacy without asking them to manage every rule by …

December 3, 2025
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Proximity: Open-source MCP security scanner

Proximity is a new open-source tool that scans Model Context Protocol (MCP) servers. It identifies the prompts, tools, and resources that a server makes available, and it can evaluate how those elements might introduce security risks. The tool also wor…

October 29, 2025
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