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A themed, minimal start page for web browsers. Users set the hosted page as a new tab redirect in Chromium-based or Firefox-based browsers. Settings can be changed, such as the background image, through the site's settings icon.
Feedly Notifier is a browser extension that enables users to read news from the Feedly RSS aggregator. It is available for Google Chrome, Firefox, Opera, and Microsoft Edge, with Safari not supported. The extension is maintained by developer olsh, with its source code hosted on GitHub.
Omni is a browser extension for Chrome and Firefox that provides a command interface for managing tabs, bookmarks and browsing history. It offers over 50 actions and special commands for filtering results, plus shortcuts for actions such as muting, pinning and bookmarking. The project lists integrations with Notion, Figma, Docs and Asana. It is free and requires no sign-in.
Onelang is a browser-based IDE for cross-language editing, exposed through a web interface. The page notes that unsupported browsers may not work and recommends the latest Chrome or Firefox. It offers demos covering generic features, reflection, inheritance, big integers, JSON handling and Hello world, and states that the compiler backend requires authentication.
OneTab is a browser extension for Chrome, Firefox, Edge, Safari and other browsers that converts open tabs into a list, which can reduce browser memory use by up to 95%. Tabs can be restored one at a time or all at once and organized into folders, with import and export of tab lists and sharing as a web page.
onUI is a browser extension for Chrome, Edge and Firefox with a local MCP bridge, used to annotate or draw on any web UI and export structured context for AI agents. Annotations require no app code changes; per-tab control is off by default.
Open-Multiple-URLs is a browser extension for Chrome and Firefox that opens a list of URLs at once and extracts URLs from text. It is built with Vue.js on top of WebExtension and supports cross-browser use. Input text and options are saved locally, and tabs can be opened in random order.
Browser extension for Page Pad, adding useful tools or workflow improvements inside the browser.
Pagetual is a userscript that merges the next page of a website into the current page for continuous scrolling. Compatible with Chrome, Firefox, Edge, and Safari, it analyzes page structure to find the next link instead of requiring custom rules.
Phoenix is a suite of configurations and advanced modifications for Mozilla Firefox that aims to put the user first, with a focus on privacy, security, freedom and usability. The repository contains its configuration files and is published under the celenity account on Codeberg.
A web automation and testing framework for apps, scripts, and AI agents. It offers a test runner with auto-waiting and assertions, browser automation across Chromium, Firefox, and WebKit, and a Model Context Protocol server for AI agents.
The Plum Village App is a free mindfulness app offering guided meditations, deep relaxations, and other practices from Zen master Thich Nhat Hanh and his monastic community. It is available for Apple and Android smartphones, with a web version and Chrome and Firefox browser addons. The app has been downloaded by more than 500,000 people.
PostSpark is a screenshot editor and beautifier. Users can add backgrounds, browser frames, shadows, text, arrows and blur, then export as PNG, JPG, WebP or copy to clipboard. A URL can be entered to capture a website, or the Chrome or Firefox extension can be used. Free exports are unlimited with no watermark and no account needed.
Prettier Lichess is a Chrome and Firefox extension that restyles lichess.org and lets users customize the site's complete color palette, with import and export of palettes. The extension is under constant development, and some page elements may not be styled correctly.
PronounDB is a browser extension that lets people share their pronouns and see the pronouns of others on supported sites. It offers integrations for platforms including Discord, GitHub, Twitch and Twitter, and provides an API for third-party developers. Extensions are available for Chrome, Firefox and Edge.
Proofread Bot is a grammar and spelling checker that works where the user types, including Gmail, Messenger, and forms. It underlines mistakes and lets users accept or ignore fixes in place, through Chrome, Firefox, Edge, Google Docs, a web editor, and mobile tools. A free tier provides a daily allowance of checks, and a Premium plan at $5/month offers unlimited checks.
Browser extension for Prune, adding useful tools or workflow improvements inside the browser.
Quick Copy is a browser webextension that eases copying text inside browsers. The repository lists Chrome and Firefox as install targets and notes 2000+ active users on Chrome Web Store. It is distributed under GNU GPLv3, with source in the repository and an icon provided by Unicons.
RatS is a Python project for analyzing and transferring ratings between movie tracking and rating websites. It uses a browser to log in, so lists marked as private can also be read, and it runs on the command line with Python3, Firefox and Xvfb on Linux. The project states it is still under development.
Read Aloud is a text-to-speech voice reader available as a Chrome extension that reads aloud the current web-page article with one click and supports 40+ languages. The site also lists browser extensions for Firefox and Edge and a TTS widget service.
Browser extension for Rearrange Tabs, adding useful tools or workflow improvements inside the browser.
wiki.gg Redirect is an open-source browser extension that automatically redirects users to forked wikis hosted on wiki.gg. It can optionally rewrite Google and DuckDuckGo search results. The extension is available for Google Chrome/Chromium, Firefox and Microsoft Edge.
Release Insights is the code behind the whattrainisitnow.com dashboard, which shows the status of Firefox Desktop releases, including upcoming release timing, future milestones and main data points for past releases. It parses sources such as hg log, APIs and crashes to derive insights like uplifts per beta and top crash signatures per nightly. It requires PHP and Composer and needs no database or framework.
RoSeal is a browser extension for improving the Roblox website, available for Chrome, Firefox, and Edge. It provides configurable features for Roblox pages, and some features may be disabled by default; beta and experimental features must be toggled on in RoSeal settings.
