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 and maintained by its creator and lead developer Raymond Hill and the open source community. As of December 2024, the Chrome version of uBlock Origin had over 40 million active users and the Firefox version had over 9 million active users. 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