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Top 23 JavaScript Privacy Projects
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Project mention: Show HN: I tried making YouTube safer for my kids | news.ycombinator.com | 2025-04-07
This is nice. It's a disgrace that Youtube does not have the option to allow only certain channels for a kids' account, but of course it's brings Google more money to trap kids in endless video garbage, so here we are.
I made a similar setup for my kids, but simply locally using Freetube (https://freetubeapp.io/).
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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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user.js
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
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Project mention: Betterfox- A Firefox user.js for speed, privacy, and security | news.ycombinator.com | 2025-04-22
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Project mention: A wonderful coincidence or an expected connection: why π² ≈ g | news.ycombinator.com | 2024-08-10
Here's a simplified revision of your comment:
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Totally unrelated to the content, but about the website itself.
The site completely breaks when I visit it. After some investigation, I found out that if I enable Stylus (a CSS injection extension) with any rules (even my global ones), the site becomes unusable. Since it's built using the React framework, it doesn't just glitch; it completely breaks.
After submitting a ticket and getting a quick response from the Stylus dev, it turns out that this website (and any site built with caseme.io) will throw an error and break if it detects any node injected into ``.
[1] https://github.com/openstyles/stylus/issues/1803
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Project mention: AdNauseam: Fight back against advertising surveillance | news.ycombinator.com | 2024-12-29
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ClearURLs-Addon
ClearURLs is an add-on based on the new WebExtensions technology and will automatically remove tracking elements from URLs to help protect your privacy.
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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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Project mention: Ategcloak: Hide secrets with invisible Unicode characters with passwords | news.ycombinator.com | 2025-02-12
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browser_extension
A browser extension that redirects popular sites to alternative privacy friendly frontends
Project mention: Show HN: Seek Anywhere – A Chrome/Brave Extension | news.ycombinator.com | 2025-04-01 -
privacybadger
Privacy Badger is a browser extension that automatically learns to block invisible trackers.
Project mention: Escape the walled garden and algorithm black boxes with RSS feeds | news.ycombinator.com | 2025-01-19 -
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analytics
Lightweight analytics abstraction layer for tracking page views, custom events, & identifying visitors (by DavidWells)
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nothing-private
Do you think you are safe using private browsing or incognito mode?. :smile: :imp: This will prove that you're wrong. Previously hosted at nothingprivate.ml
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privacy-redirect
A simple web extension that redirects Twitter, YouTube, Instagram & Google Maps requests to privacy friendly alternatives.
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shariff
👮 Shariff enables website users to share their favorite content without compromising their privacy.
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Mercury
Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and GNU IceCat. (by Alex313031)
the original plan was to self-host my blog and write there but lot of stuff happend and i still haven't created a self-hosted blog. so i will stick to dev.to for my next posts as my good old waterfox classic browser was killed by "overjavascriptification" from all sides. now i am on a browser mix of my good old waterfox, librewolf and ungoogled chromium. i will evaluate thorium and mercury next. why don't i use the regular firefox? because i really don't like the direction mozilla is going to. the last wtf was the implemenation of some kind of tracking which is opt-out and not opt-in.
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challenge-bypass-extension
DEPRECATED - Client for Privacy Pass protocol providing unlinkable cryptographic tokens
Project mention: Obscura VPN – Privacy that's more than a promise | news.ycombinator.com | 2025-02-19I can understand that concern, and I think in the future some version of [Privacy Pass](https://privacypass.github.io/) will allow for site operators to differentiate between normal vs. abusive users without relying on IP reputation (which is more unreliable anyway since CGNAT is a thing).
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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 Privacy discussion
JavaScript Privacy related posts
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Betterfox- A Firefox user.js for speed, privacy, and security
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Show HN: I tried making YouTube safer for my kids
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Show HN: Seek Anywhere – A Chrome/Brave Extension
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Achieving Great Privacy with Safari
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Zen browser had a backdoor enabled by default
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Freetube
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Kill your Feeds – Stop letting algorithms dictate what you think
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A note from our sponsor - InfluxDB
influxdata.com | 29 Apr 2025
Index
What are some of the best open-source Privacy projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | FreeTube | 17,610 |
| 2 | user.js | 11,028 |
| 3 | Betterfox | 8,033 |
| 4 | stylus | 5,831 |
| 5 | AdNauseam | 4,749 |
| 6 | Ackee | 4,371 |
| 7 | ClearURLs-Addon | 4,238 |
| 8 | StegCloak | 3,506 |
| 9 | browser_extension | 3,469 |
| 10 | privacybadger | 3,375 |
| 11 | user.js | 2,827 |
| 12 | analytics | 2,545 |
| 13 | userbase | 2,307 |
| 14 | nothing-private | 2,167 |
| 15 | privacy-redirect | 2,054 |
| 16 | Librefox | 1,754 |
| 17 | ghostery-extension | 1,466 |
| 18 | shariff | 1,404 |
| 19 | Mercury | 1,395 |
| 20 | duckduckgo-privacy-extension | 1,321 |
| 21 | CanvasBlocker | 1,297 |
| 22 | challenge-bypass-extension | 1,250 |
| 23 | telegram-nearby-map | 1,105 |
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