Privacy Badger - Privacy Badger blocks spying ads and invisible trackers. How is Privacy Badger different from Disconnect, Adblock Plus, Ghostery, and other blocking extensions?
Everything.PM - 300+ resources & tools for PMs, sorted by votes
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PM Starter Pack - Practical guide on how to get started in product management
Chameleon WebExtension - Chameleon is a Firefox extension to Spoof your browser profile.
Product Manager Handbook - Interviews w/ product managers + weekly newsletter