Open-source alternatives to Refined Github

BewlyBewly is a browser extension that customizes the Bilibili homepage, modifying its layout and appearance to deliver a personalized browsing experience without altering the core functionality of the site. It functions as a frontend customization utility, injecting custom CSS and scripts directly into the page context to override default styles and dynamically reapply changes as content loads. The extension is built as a Manifest V3 Chrome extension, using a content script injection system and a DOM mutation observer to ensure customizations persist even as the page updates. It includes a u

Perfmap is a web performance visualization tool and frontend resource loading analyzer. It functions as a diagnostic tool that identifies slow-loading assets by highlighting their completion time and download duration directly in the browser. The project is delivered as a bookmarklet that overlays color-coded heatmaps on page elements. It translates Resource Timing API data into a visual spectrum to represent the chronology of how images and background assets load. The tool maps resource download metrics and loading timelines directly onto the document object model using a dynamic CSS overla

Portal-vue is a library for rendering Vue component content into arbitrary DOM elements outside their original parent-child hierarchy. It functions as a DOM teleportation tool and cross-component content injector, allowing developers to decouple a component's logical position in the application tree from its physical location in the document. The tool specifically enables the injection of dynamic interface elements, such as modals and tooltips, into root-level containers. This mechanism allows visual templates to bypass CSS nesting and layout constraints by separating the visual location from

This is a userscript that customizes search engine result pages by applying custom CSS, removing advertisements, and adding favicons for a cleaner browsing experience. It operates as a user-script injected into web pages at runtime to modify page behavior and appearance. The script strips tracking and redirection links from search results so users land directly on the target website, and it suppresses unwanted content such as Baijiahao articles. It also provides visual customization through column layout toggling between single-column, double-column, or multi-column displays, and applies cust

Custom scrollbars vanilla javascript library with native scroll, done simple, lightweight, easy to use and cross-browser.

SwifterSwift is a collection of Swift extensions designed to reduce boilerplate code during the development of iOS and macOS applications. It provides a library of pre-made utilities that extend the standard library and system frameworks to streamline data manipulation, system integration, and user interface optimization. The project provides specialized tools for a wide range of development tasks. This includes image processing and binary translation, text string manipulation, and complex data management for arrays, strings, and dictionaries. It also offers utilities for network request mana

Pull is an automated pull request manager designed to synchronize GitHub repository forks with their upstream sources. It acts as an orchestrator that creates and manages pull requests to integrate remote changes and keep development forks aligned with original project sources. The tool is configuration-driven, allowing users to define specific git integration strategies such as merging, squashing, rebasing, or hard resetting. It integrates with GitHub Actions to manage branch protection and the assignment of reviewers, assignees, and custom labels. Synchronization can be triggered through p

RemoveAdblockThing is a browser extension that removes YouTube's adblock detection popup and skips video ads without triggering the platform's anti-adblock systems. It is designed to maintain an uninterrupted viewing experience by eliminating the intrusive "Ad blocker are not allowed on YouTube" message and automatically bypassing ad detection mechanisms. The extension works by injecting a content script at document_start to intercept and modify page behavior before YouTube's ad detection scripts run. It uses a DOM MutationObserver to monitor the YouTube DOM for ad-related elements and detect

happy-dom is a JavaScript-based headless browser simulation and virtual DOM engine. It implements the Document Object Model and Web APIs to execute frontend code and run tests within non-browser environments such as Node.js. The project provides a programmatic interface for creating and testing custom elements and shadow DOM structures. It supports stateful page instance management to simulate multiple concurrent browsing sessions and includes a programmable clock to synchronize asynchronous operations. The system covers a broad range of browser simulation capabilities, including DOM manipul

FastHub is a native Android mobile client designed for managing GitHub repositories, issues, and pull requests. It provides a visual interface for interacting with Git version control, acting as a repository manager for editing files, tracking project milestones, and handling account administration from a handheld device. The application supports multi-account authentication, allowing users to connect via tokens or passwords to access different user profiles and enterprise accounts. It distinguishes itself with offline repository browsing, utilizing local database caching to view project data

This project is a collection of reusable React hooks designed to wrap browser APIs, manage state persistence, and handle DOM observation. It provides a consistent interface for integrating native browser capabilities directly into the React component lifecycle. The library includes specialized toolkits for monitoring the browser environment, such as window resizing, network connectivity, and viewport visibility. It also provides mechanisms for managing execution timing through debouncing, throttling, and the control of timeouts and intervals. Additional capabilities cover state management wi

CSDNGreener is a set of custom tools and rules designed as a browser extension or Tampermonkey user script to filter promotional content and clean web layouts. It functions as a content filter specifically for the CSDN platform, removing advertisements and floating windows to improve page readability. The project focuses on interface optimization for CSDN, modifying the layout and user interface to improve browsing speed and usability. It achieves this by removing promotional pop-ups and distracting visual elements to create a cleaner reading environment. These capabilities are implemented t

prefixfree is a runtime CSS processor and polyfill library designed to ensure cross-browser visual consistency. It functions as a client-side script that automatically detects browser requirements and injects necessary vendor prefixes into CSS properties and values at runtime. The project utilizes a system that intercepts stylesheets and modifies style rules in browser memory. It includes a DOM mutation style monitor that observes the document tree for new elements to apply prefixing logic to dynamic content and attributes. The library provides polyfilling for modern CSS standards in legacy

Reddit Enhancement Suite is a browser extension that injects JavaScript and CSS directly into the Reddit web interface to customize its layout, styling, and behavior. It operates entirely on the client side, storing user preferences locally and manipulating the page's DOM to rearrange elements, apply visual overrides, and observe mutations so that modifications persist even as new content loads dynamically. The extension provides keyboard-driven navigation for browsing posts and comments without a mouse, along with user-defined filtering that can hide or highlight comments and posts based on

This project is an AI-powered IDE extension and LLM coding assistant that provides a conversational interface for generating, refactoring, and debugging code. It functions as an AI agent framework and a Model Context Protocol client, connecting AI models to external data sources and tools to automate complex development tasks. The system is distinguished by its use of autonomous AI agents capable of multi-step task execution, including the ability to read files, modify code, and run terminal commands iteratively. It supports recursive agent orchestration through subagent delegation and employ

lazysizes is a JavaScript lazy loading library and DOM visibility observer that defers the loading of images and iframes until they enter the browser viewport. It functions as a responsive image optimizer and SEO friendly asset loader designed to reduce initial page load times while maintaining search engine visibility. The project calculates optimal image sizes and handles srcset and picture elements to deliver the most appropriate asset based on device resolution and layout. It includes a mechanism for low-quality image placeholders and applies CSS classes during the loading process to trig

rrweb is a DOM session recording library and serialization framework used to record and replay web sessions. It converts the state of a web page into a serializable JSON data structure and tracks mutations to reconstruct user interactions within a replay engine. The system distinguishes itself by using a sandboxed iframe for reconstruction to isolate replayed content, preventing script execution and form submissions. It ensures visual consistency through CSS inline-style flattening and provides sensitive data masking to prevent private information from being captured. The project covers a br

Eruda is a mobile browser developer console that provides a web-based inspector for debugging HTML pages and viewing logs directly on mobile devices. It functions as a browser element inspector for analyzing DOM and CSS styles and an in-page JavaScript console for executing code and monitoring runtime errors on devices that lack native developer tools. The project enables mobile web debugging and on-device element inspection without requiring a connection to a desktop computer. This allows for the evaluation of web applications on actual mobile hardware and the troubleshooting of remote sites

This project is an educational resource providing a detailed command reference, tutorial collections, and structured guides for mastering version control. It serves as a set of Chinese language tutorials based on international community best practices, designed to help users learn both the core concepts and practical applications of Git. The resource focuses on specific workflow guides for managing feature development, release cycles, and collaborative forking strategies. It pairs theoretical version control concepts with practical command-line examples to demonstrate real-world application.

Store.js is a client-side state persistence library and web storage abstraction layer. It provides a consistent browser key-value storage wrapper that manages the persistence of application state across sessions using the most capable available local storage mechanism. The engine is extensible, allowing for the integration of custom storage backends and plugins to modify how data is read and written. It functions as a reactive web storage manager, monitoring specific keys to trigger notifications when stored values are updated. The library handles automatic data serialization for complex typ

iCheck is a custom form input library that replaces native checkboxes and radio buttons with customizable visual wrappers. It ensures a uniform visual experience across different browsers by masking native form elements and rendering custom HTML structures. The project provides a common interface that functions across both jQuery and Zepto. It includes a dynamic styler that detects and applies custom styles to form elements added to a page after the initial load. The library incorporates an accessibility layer that injects ARIA attributes and keyboard event listeners to ensure custom inputs

This project is a command-line utility designed to automate the creation and maintenance of tables of contents within markdown files. It functions as a static documentation processor that parses document headings to generate hierarchical navigation lists, which are then injected directly into the source files. The tool distinguishes itself by supporting both local files and remote network streams as input sources. It utilizes marker-based content updating to refresh existing navigation sections without requiring manual edits, and it includes authentication support for remote requests to bypas

Print.js is a JavaScript print library that provides a client-side interface for triggering system print dialogs and formatting HTML content for physical paper output from a web browser. It functions as a browser print controller that manages the lifecycle of temporary print documents to ensure consistent rendering. The library utilizes a DOM-to-frame printing utility that clones specific HTML elements into hidden iframes. This process isolates printable content from the main page layout, allowing the system to render a clean document without triggering a full page reload. The tool covers br

Flux is a Kubernetes GitOps delivery tool used to automate application deployments by synchronizing cluster state with configurations stored in Git, OCI, or Helm repositories. It functions as a set of controllers that monitor desired state in external sources and continuously reconcile the live cluster to match those definitions. The system distinguishes itself through a multi-cluster management plane that coordinates application delivery across fleets of remote clusters from a central hub. It provides a dedicated mechanism for automated image updates, which scans container registries for new

CopilotForXcode is an AI-powered coding assistant integrated directly into Xcode as a source editor extension. It functions as an agent that can automate multi-step project tasks, such as editing files, running terminal commands, and searching across the entire codebase, all while understanding the full context of the current Xcode project. The assistant provides a context-aware chat interface that answers coding questions based on open files, symbols, and recent edits. It also offers diff-based code review, analyzing changes to provide feedback on code quality and potential issues before mer