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Top 15 JavaScript Mozilla Projects
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user.js
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
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Civic Auth
Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.
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Project mention: Yokoffing/Betterfox: Firefox user.js for speed, privacy, and security | news.ycombinator.com | 2025-02-01
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contain-google
[Looking for maintainer] - Google Container isolates your Google activity from the rest of your web activity in order to prevent Google from tracking you outside of the Google website via third party cookies.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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fx-private-relay-add-on
Companion add-on for Firefox Relay. Keep your email safe from hackers and trackers. Make an email alias with one click, and keep your address to yourself.
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Project mention: Mozilla is trying to backtrack on Firefox's controversial data privacy update | news.ycombinator.com | 2025-03-02
There are benchmarks on https://arewefastyet.com. Sadly they do not go as far back in time as they used to; the absolute speed increase that Firefox has had over its lifetime is quite impressive. They’ve made progress in virtually every release since version 4.0.
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firefox
Torturing Firefox with userchrome.js and userchrome.css in response to Mozilla's successive degradation of the browser window. (by Thomashighbaugh)
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Mozilla discussion
JavaScript Mozilla related posts
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Mozilla is trying to backtrack on Firefox's controversial data privacy update
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Yokoffing/Betterfox: Firefox user.js for speed, privacy, and security
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75x faster: optimizing the Ion compiler back end
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Firefox update added more sponsored content on new-tab page
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Make Firefox Private Again
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Mozilla Firefox or Chrome which is best for MOBILE PHONE.?
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Firefox memory usage and alternatives
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A note from our sponsor - CodeRabbit
coderabbit.ai | 21 Apr 2025
Index
What are some of the best open-source Mozilla projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | user.js | 11,001 |
| 2 | Betterfox | 7,954 |
| 3 | user.js | 2,821 |
| 4 | Librefox | 1,754 |
| 5 | addons-frontend | 533 |
| 6 | ca-archive | 501 |
| 7 | contain-google | 410 |
| 8 | paxmod | 255 |
| 9 | lightbeam-we | 188 |
| 10 | removedupes | 94 |
| 11 | fx-private-relay-add-on | 71 |
| 12 | firefox-performance-dashboards | 69 |
| 13 | user.js | 49 |
| 14 | firefox | 24 |
| 15 | marker | 23 |
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www.civic.com