Open-source alternatives to Sidebery

Tab Stash is a browser extension designed to manage, categorize, and archive collections of open browser tabs. By capturing active web pages and organizing them into structured bookmark folders, the tool enables users to declutter their workspaces while maintaining a persistent history of their browsing sessions. The extension distinguishes itself by leveraging native browser infrastructure for its core operations. It utilizes the built-in bookmarking system as a persistent storage layer and relies on native cloud synchronization services to propagate saved tab collections across multiple dev

Simple Tab Groups is a browser extension designed to manage, organize, and persist collections of open tabs. It functions as a session manager that allows users to categorize web pages into named groups, enabling them to switch between different browsing contexts by hiding or restoring sets of tabs. The tool ensures workspace continuity by automatically saving tab group states and session metadata to local storage, allowing for recovery after browser restarts. The extension distinguishes itself through integrated support for browser-level identity containers, allowing users to associate speci

Neko is a virtual desktop infrastructure platform that provides containerized browser isolation and remote desktop environments. It enables users to host secure, ephemeral browser instances that can be accessed and managed through a standard web browser, ensuring consistent execution across different host systems. The platform distinguishes itself through its collaborative capabilities, allowing multiple users to view and interact with a single shared browser session in real time. It synchronizes keyboard, mouse, and gamepad inputs from multiple participants while providing integrated tools f

chromedp is a browser automation framework and driver that controls web browsers via the Chrome DevTools Protocol. It functions as a headless browser automation tool and web browser controller, enabling the programmatic management of browser sessions, targets, and network responses through a remote debugging interface. The project provides specialized capabilities for Chrome DevTools Protocol automation, including headless browser testing, web scraping and data extraction, and mobile device emulation. It also supports browser-based visual regression by capturing precise screenshots of web pag

N-Tab is a browser extension designed to manage browser tab lifecycles by consolidating open web pages into organized, virtual sessions. It functions as a session management tool that allows users to group tabs into custom folders, recover recently closed pages, and reduce system memory usage by offloading active tabs into a centralized interface. The extension distinguishes itself through its support for cross-device synchronization, enabling users to back up and share saved tab configurations across multiple browser instances via remote cloud storage. It also provides a declarative command

This project is an agentic framework designed to enable autonomous web navigation and browser automation. It functions as a controller that translates natural language instructions into deterministic browser actions, allowing agents to interact with websites, perform data extraction, and manage complex authentication flows. By leveraging accessibility trees and semantic element resolution, the framework mimics human-like navigation, moving beyond brittle DOM selectors to interact reliably with modern web interfaces. The framework distinguishes itself through its focus on secure, scalable exec

Waybar is a modular status bar for Wayland compositors that provides a configuration-driven interface for system monitoring and desktop management. It functions as a shell component that integrates directly with Wayland protocols to track window manager states, manage system tray icons, and display real-time hardware, network, and power metrics. The project distinguishes itself through a highly flexible architecture that allows for independent or synchronized interface bars across multiple monitors, each with unique layout and styling rules. Users can extend the bar's functionality by creatin

GoldenDict-ng is a multi-source dictionary application and offline dictionary reader that enables users to search for word definitions across local files, DICT servers, and web sources in a single interface. It functions as a web-based definition browser, rendering entries using a browser engine to support HTML, CSS, and JavaScript for rich content presentation. The project distinguishes itself by integrating with Anki flashcard systems to facilitate language learning workflows and offering specialized translation tools that support clipboard monitoring and character set conversion. It also p

douyuEx is a Tampermonkey userscript and web interface enhancer designed to modify the functionality and appearance of a specific live streaming platform. It acts as a comprehensive automation tool and browser extension that provides a suite of utilities for managing live stream interactions, enhancing video playback, and analyzing streaming data. The project distinguishes itself through deep automation of platform-specific tasks, such as automated account check-ins, treasure box and gift packet claiming, and keyword-based chat responses. It also provides advanced interaction tools, including

Stealth is a distributed automation engine designed for headless browser orchestration, web scraping, and decentralized network coordination. It functions as a peer-to-peer framework that enables multiple nodes to align automated tasks, share cached web resources, and route traffic through a decentralized proxy architecture. By abstracting the underlying browser implementation, the project provides a unified interface for executing navigation and data extraction workflows across diverse environments. The platform distinguishes itself through its ability to synchronize browser sessions and aut

nodriver is an asynchronous Chromium browser automation framework that provides headless control and web scraping capabilities. It functions as a Chrome DevTools Protocol client, allowing for granular engine control by attaching directly to the browser's debug port without the need for external driver binaries. The framework is specifically designed as an anti-bot detection bypass tool. It modifies browser fingerprints and protocol headers to evade automated security systems, handle security warnings, and bypass common obstacles like insecure connection alerts. The system covers a broad rang

Firefox-UI-Fix is a collection of CSS stylesheets, style overrides, and a UserChrome framework designed to redefine the layout and appearance of the Firefox web browser. It functions as a browser interface customizer and styling kit that uses CSS injection and DOM overrides to modify the browser shell. The project distinguishes itself by providing deep integration with host operating systems, allowing the browser's window decorations, menus, and themes to match system accent colors and native desktop aesthetics. It includes specialized capabilities for modifying the visual hierarchy of the in

tweakcn is a web UI styling tool and frontend design editor used for client-side theme customization. It functions as a style injector that applies dynamic theme overrides by inserting style rules into the document head at runtime. The project provides a visual interface for adjusting user interface components and design settings through built-in presets and custom CSS values. It utilizes JSON-driven configuration and preset mapping to manage application appearance and brand identity without the need to manually edit stylesheet files. The tool enables visual design management and rapid itera

Florisboard is an open-source virtual keyboard and input method editor for Android devices. It functions as an extensible framework for mobile text input, providing a privacy-focused alternative for typing and emoji insertion. The project is distinguished by a comprehensive theme engine that allows users to modify fonts, colors, and background images via stylesheets. It supports the creation, packaging, and distribution of custom visual themes and behavioral extensions. The keyboard includes integrated productivity tools such as clipboard history management and tactile haptic feedback to sim

gstack is an AI agent framework and development workflow system designed to automate the software development lifecycle. It coordinates specialized AI personas to manage tasks across product design, engineering management, and quality assurance, transforming product intent into technical specifications and final releases. The project is distinguished by its deep integration of headless browser automation and semantic code memory. It utilizes a persistent Chromium daemon for web scraping and visual auditing, and implements a searchable knowledge base that logs architectural decisions and repos

YASB is a customizable status bar framework and desktop shell component for Windows. It provides a toolkit for building personalized information bars using a modular class-based widget architecture and CSS-based styling. The framework distinguishes itself through deep integration with Windows tiling window managers, allowing users to display active workspaces, tiling layouts, and window focus states. It also features automated visual consistency by generating system color schemes based on the current desktop wallpaper. The project covers a wide range of capabilities, including real-time syst

history.js is a cross-browser URL state manager and HTML5 History API polyfill. It functions as a single page application router that manages browser URL and history state consistently across HTML5 and HTML4 browsers, enabling navigation without triggering full page reloads. The project provides a JavaScript framework adapter that integrates history management with the event systems of jQuery, MooTools, and Prototype. It ensures compatibility through a fallback mechanism that switches to hash-based navigation and hashbang URLs when the native HTML5 History API is unavailable. The system cove

BrowserBox is a remote browser isolation platform that executes web sessions within containerized server environments. It utilizes a server-side browser running in Docker or LXC to isolate untrusted content from local devices, transmitting the session to clients via a low-latency secure web streamer. The system features a remote browser API for provisioning ephemeral, short-lived browsing sessions and a network tunneling gateway that uses SSH tunnels and onion services to provide anonymous or secure routing. It employs GPU-accelerated server rendering to stream live video of the browser sessi

PictureSelector is an Android media selection library and toolkit for browsing and picking images, videos, and audio files from a device album. It provides a comprehensive framework for capturing new photos and videos via system hardware, extracting media metadata, and managing the resulting files. The library features a modular architecture that allows for custom media engine implementations to replace default image loading, file compression, and video playback logic. It offers extensive UI customization, enabling the replacement of default layout resources and theme configurations to modify

Capybara is a browser automation testing library and framework for web application acceptance testing. It provides a high-level API for automating browser navigation and element interaction to validate user-facing features. The project features a cross-browser driver interface that allows switching between headless and full browser environments without modifying the underlying test code. This abstraction enables the simulation of complex web workflows across different browser drivers and environments. The suite covers user interaction simulation, including form filling, click events, and bro

This project is a minimalist visual theme and customizable CSS framework for Obsidian. It functions as a markdown layout engine and an adaptive user interface designed to remove interface clutter and create a distraction-free writing environment. The theme distinguishes itself through layout transformations that convert standard markdown tables and lists into card-based grids and visual galleries. It provides a system for transforming structured data into scannable visual representations and organizes consecutive images into column-based grids. The framework covers comprehensive interface ae

Pragmatic Drag and Drop is a TypeScript library that provides a complete system for implementing drag and drop interactions in web applications. It handles the full lifecycle of drag operations, from registering drop targets and monitoring drag events to managing cleanup functions, all through a structured adapter-based approach. The library supports a wide range of data manipulation patterns, including reordering items within lists, tables, trees, virtual lists, and side navigation, as well as moving items between lists and across columns in a board layout. It also enables swapping items in

Staticrypt is a tool for securing static HTML files using AES-256 encryption. It provides a command-line interface to encrypt and decrypt web pages, transforming plain HTML into encrypted payloads that are decrypted directly in the browser without the need for a backend server or database. The project distinguishes itself through access management features such as auto-decrypting links, which use hashed passwords in URL fragments to unlock files for specific recipients. It also supports browser session persistence, storing hashed passwords in local storage to prevent repeated authentication.

Joint is a JavaScript library for building interactive visual diagrams and flowcharts using Scalable Vector Graphics. It provides a programmable environment for creating an interactive SVG canvas with integrated support for zooming, panning, and touch gesture controls. The framework includes a component system for defining custom shapes and programmatic elements within a vector-based coordinate system. It features a JSON-based diagram serializer for saving and loading diagram states, as well as automated layout algorithms and relationship mapping to render nodes and edges. The library covers

This project is a high-performance headless browser engine designed for scalable web automation, data extraction, and AI agent integration. It provides a specialized environment that allows autonomous agents and testing frameworks to interact with web content through standardized remote control protocols. By executing pages in a lightweight, headless state, the engine minimizes resource consumption while maintaining the ability to perform complex navigation and dynamic content rendering. The platform distinguishes itself through deep integration with AI-centric communication layers and advanc

GitHub-Dark is a browser extension theme and collection of user style sheets designed to provide a comprehensive dark mode aesthetic for the GitHub interface. It functions by injecting custom style rules directly into the browser to override default website colors, fonts, and layout properties, aiming to improve visual comfort and readability during extended use. The project distinguishes itself through its focus on deep integration and visual consistency. It includes specialized support for syntax highlighting across various programming languages and notebook environments, ensuring that code

This project is a command-line utility and development framework designed to modify, extend, and customize the Spotify desktop client. It functions as a binary patching engine that injects custom scripts, stylesheets, and interface components directly into the host application, enabling users to alter visual themes and add new functionality. The tool distinguishes itself by providing a comprehensive development environment for building modular extensions and custom applications. It includes a hot-reloading pipeline for rapid iteration, a declarative library for constructing interactive UI pan