uBlock Origin

uBlock Origin is a free and open-source browser extension for content filtering, including ad blocking. The extension is available for Firefox and Chromium-based browsers. uBlock Origin is actively developed... Wikipedia

• Original author(s):  Raymond Hill (gorhill)
• Developer(s):  Current, Raymond Hill, Past, Deathamns, Chris Aljoudi, Alex Vallat
• Initial release:  June 23, 2014
• Written in:  JavaScript
• Operating system:  Cross-platform
• Available in:  72 languages
• Type:  Browser extension
• License:  GPLv3
• Data source:  DuckDuckGo