uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

Autoclicker for Youtube's latest "feature" - Video paused. Continue watching?

An extension for Thunderbird 3.0+ that allows you to sort folders in the folder pane.

Press Alt+Shift+D to duplicate the current tab (Option+Shift+D on Mac).

Outlook style headers and few goodies for Thunderbird

Merge specified browser windows into each other. Or all of them into one. Simply right click to open Firefox’s context menu when multiple windows are open, or configure a keyboard shortcut. All wra…

Cleans your history by removing visits from a list of domains you provide as either a whitelist or a blacklist. So it's black and white, like a Zebra.

A Firefox addon for maximizing all browser windows.

Rewritten addon for Chrome's manifest version 3.