An anti-malware Web browser extension to mitigate potential threats from JavaScript, including fingerprinting, tracking, and data collection!
Why YSK: Websites on the internet often try to uniquely identify your device, this extension attempts to prevent that and make it hard for them to do so.
In addition to the code being freely available, as others have pointed out, the developer has attended some number of software conferences at which his knowledge of this subject matter and this project makes itself evident.
The only alternative is closed-source, which is just "trust me bro". At least with open-source you have the option to check it for yourself. Doesn't have to be a perfect system