Open Two-Factor Authenticator
An open-source two-factor Time-based One-Time Password (TOTP) authenticator
Fix dumb things about Twitter and TweetDeck on the web (e.g. hidden “replying to”, t.co links)
Open links in incognito
Chat Reply Helper for Stack Exchange sites
Handle structured conversations more conveniently
Corser - Authorize CORS requests
Cross-browser extension for authorizing cross-origin resource sharing (CORS) requests. This extension can be installed on browsers supporting the WebExtensions API (https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions) It intercepts all CORS requests and responses headers, and records/adds/changes their values so as to authorized unauthorized CORS requests. Use this extension only for testing purposes
Tracks mouse events & key presses
Automatically blocks all pages from any website that is not in your list of allowed websites.
Google™ Hangout Seen Blocker
Google™ Hangouts Seen Blocker allows you to read your hangouts without notifying the sender.