Open Source Browser Extensions using npm
A curated collection of the best open source add-ons that extend browser functionality for productivity or utility. using npm.
Free, private screen recording for Chrome
Stars
18,491Last commit
3 days agoLicense
GPL-3.0
Capture, annotate, and edit screen recordings with no limits or sign-up required. Completely private and open source.
Open Source Alternative to:
Intercept, modify, and debug HTTP(S) requests effortlessly
Stars
6,751Last commit
3 hours agoLicense
AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Open Source Alternative to:
System-wide ad-blocking and privacy protection, no extensions needed
Stars
4,135Last commit
7 days agoLicense
MIT
Free, open-source desktop app that blocks ads, trackers, and surveillance scripts across all browsers and apps on Windows, macOS, and Linux.
Open Source Alternative to:
Privacy-focused translation with offline capabilities
Stars
1,052Last commit
13 days agoLicense
BSD-3-Clause
Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.
Open Source Alternative to:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent