Mozilla Facebook Container - Take control of all your Facebook data
Adriel - A platform to monitor, control, and optimize your paid advertising from 600+ ad channels under a single dashboard.
Ghostery - Privacy tool for transparency and control
Adalyz - Compare Your Google Adwords Vs Facebook Ads Vs Instagram Ads and decide where to put your money. Powerful analytics and reporting for your ad campaigns.
CroxyProxy - CroxyProxy is the most advanced free and secure web proxy.
PPC Gear - Instantly find where you lose money in Google Ads