FOSS Toolkit

A directory to support OASIS - Open-source Alliance for Social Innovation & Sustainability, Free and Open Source Software (FOSS), Frameworks, Showcases to help change makers leverage technology to amplify their impact.

free

Project Galileo

A free cyber security program for at-risk sites catering to arts, human rights, civil society, journalism, or democracy

open-source

free

Blacklight

Real-Time Website Privacy Inspector

free

Subdomain Center

A simple tool to find open subdomains.