Ghostery Alternatives for Mac OS X

uBlock Origin is a highly efficient, wide-spectrum blocker for browsers. It goes beyond simple ad blocking by tackling trackers, malware sites, and cosmetic annoyances, all while maintaining a light footprint on your browser's resources.

Privacy Badger is a free browser extension developed by the Electronic Frontier Foundation (EFF) that automatically learns to block invisible trackers.

Disconnect is a robust tool designed to enhance online privacy by visualizing and blocking the invisible tracking technologies that follow your browsing and search history across the web. Available as a browser extension and other privacy-focused solutions, it aims to significantly reduce the amount of personal data collected by third-party trackers.

uMatrix is a browser extension that functions as a powerful point-and-click matrix-based firewall and privacy-enhancement tool. It provides granular control over what resources are loaded by your browser, allowing users to block or allow requests based on type, origin, and destination, helping to protect privacy and improve browsing security.

RequestPolicy is a powerful, open-source browser extension for Firefox that provides granular control over cross-site requests. It helps protect users from various web vulnerabilities like Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and Clickjacking by allowing you to explicitly approve or deny requests to external domains.

Kill Evil is a browser extension designed to enhance user privacy and control by blocking unwanted scripts, pop-ups, trackers, and advertisements, while offering flexible control over website behavior.