Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Chrome OS
- Google Chrome
- Python
- Thunderbird
- Vim
- Sublime Text
- GNU Emacs
- Pluma
- LibreOffice
- Mozilla Firefox
- LibreOffice - Writer
- ONLYOFFICE




Browse 1,771 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.




Enhances Chrome/Firefox with Magic Search for swift action, pomodoros, and group bookmark openings, customizable themes, to-do lists, and calming soundscapes.



Password manager that can generate unique passwords and also record purchase history across websites.




Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.

Passbolt is an open source password manager for teams. It allows to securely share and store credentials. For instance, the wifi password of your office, or the administrator password of a router, or your organisation social media account password, all of them can be secured...







Track price history and receive alerts for price drops on Amazon products worldwide, with support for over 5 billion items and international locales.








Track time on projects, analyze productivity with detailed reports, manage tasks, and collaborate across web, desktop, and mobile with real-time sync.




Find, filter, and download images from web pages, with options to sort by size, pixel dimensions or URL, bulk download, preview, and copy source links.




Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.




MetaMask is a browser extension and mobile app that lets you manage Ethereum-based assets and interact with decentralized apps (dapps).




Engage in social bookmarking to collect, explore, and share interests by joining and creating communities, saving media, and connecting with others.

AdBlitz automatically skips skippable ads and accelerates non-skippable ones, ensuring you enjoy uninterrupted content seamlessly. Remember, it's not an ad blocker.




Reddit Enhancement Suite is a community-driven unofficial browser extension for Reddit.




Rainbow is a fun, simple, and secure way to get started with crypto and explore the new world of Ethereum. You can use Rainbow to manage and display Ethereum-based assets on mainnet, Polygon, Optimism, Arbitrum, Base, and Zora.







Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.




Camelcamelcamel.com provides an easy way to track Amazon product prices, get alerted when prices drop and even see how prices have changed with history charts and other helpful details.




DeArrow is an open source browser extension for crowdsourcing better titles and thumbnails on YouTube. The goal is to make titles accurate and reduce sensationalism. No more arrows, ridiculous faces, and no more clickbait.


A simple web extension that redirects requests to privacy friendly alternatives. The successor fork is LibRedirect.




Mindomo is the easiest online software for creating mind maps, concept maps, outlines and various other types of diagrams. The following features make it the perfect choice both for business and education:




Linguist is a browser extension that translates pages and text, potentially replacing your current translation service. It offers real-time page translation, selected text translation, manual input translation, and a dictionary to save important translations.




AI-enhanced real-time collaboration in a unified workspace with tasks, document chat, AI File Chat, and project studio. Get instant answers and sync across devices.



