Open-source alternatives to Tab Session Manager

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

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

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

TreeStyleTab is a browser tab tree manager and hierarchical tab organizer that replaces the native horizontal tab strip with a vertical sidebar. It organizes open tabs into a parent-child tree structure, allowing users to manage large numbers of tabs through nesting and collapsible branches. The project distinguishes itself by offering a CSS-customizable interface, enabling deep visual modifications of tab layouts and colors via custom stylesheets. It also provides a programmatic browser tab API extension that allows other add-ons to monitor and modify tab hierarchy and sidebar behavior. The

This project is a reference library and collection of practical code samples for building browser extensions using WebExtensions APIs. It provides implementation guides and functional examples for core extension components, including content scripts, background processes, and browser action popups. The repository focuses on demonstrating specific implementation patterns for browser UI customization and web page manipulation. It includes samples for creating sidebars, context menus, and options pages, as well as techniques for injecting scripts and styles to alter DOM elements and page appeara

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

Sidebery is a Firefox tab manager extension that provides a vertical sidebar interface for organizing tabs and bookmarks. It replaces the traditional top tab bar with a vertical layout to improve screen utilization. The tool features a hierarchical tree-structured tab management system and a browser snapshot utility for capturing and restoring the state of windows and panels. Users can organize their browsing environment through these snapshots and dedicated sidebar panels for history and bookmarks. The interface supports visual customization via configurable settings and custom styles. It a

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

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

obsidian-git is a version control integration for personal knowledge management that enables local file versioning and synchronization. It provides Git-based tracking for local files to allow for history auditing, document reversion, and the backup of notes to remote servers. The project automates the version control process through scheduled background syncing, which triggers automatic commits and pushes at set intervals or during application startup. It facilitates collaborative editing by using branches and synchronization to manage contributions and merge changes. The toolset covers comp

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

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

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

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

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

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.

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

Greasemonkey is a Firefox extension that functions as a JavaScript userscript engine and manager, executing custom scripts on target web pages to automate tasks and alter page functionality. It injects user code into the isolated execution context of web pages before or during page load, allowing users to modify content, behavior, and styling dynamically on specific websites. The extension integrates natively into the browser extension system using background processes and messaging interfaces. It parses special comment blocks inside scripts to determine execution permissions, URL matching pa

EpicEditor is a JavaScript-based Markdown editor designed as an embeddable UI component for web applications. It functions as a local-first content manager, utilizing browser local storage for automatic draft saving and offline content persistence. The editor is distinguished by its use of iframes to isolate styles, preventing CSS leakage between the editor and the host application. It features a customizable Markdown parser that allows developers to replace the default parsing engine with custom functions to transform text into specific output formats. The system provides a split-pane inter

Use-persisted-state is a React hook library that persists component state in browser storage and synchronizes updates across multiple tabs and windows. It extends standard component state management by automatically saving values to browser storage providers on every state update, ensuring user data survives page reloads and browser sessions. The library supports cross-component state sharing by linking multiple distinct component instances to a single storage key so they share and update identical data. It provides factory-generated hook instances that create isolated state functions bound t

Omni is a browser-based productivity automation tool that operates as a local extension. It provides a command-palette interface to execute workspace actions and manage browsing sessions through text-based inputs. The system allows for local-source sideloading, enabling the software to run from a local directory rather than through a centralized extension marketplace. Capabilities cover browser tab management, including programmatically switching and organizing pages. It also includes tools for bookmark organization and history search, allowing users to filter and retrieve saved pages or pre

TablePro is a cross-platform database management client designed for browsing, querying, and administering both SQL and NoSQL databases. It functions as a unified workspace that integrates a code-centric SQL editor with schema visualization tools, allowing developers to manage complex data models and execute queries across diverse database engines. The application distinguishes itself through an agentic AI integration layer that connects language models directly to database tools, enabling automated query generation, optimization, and error fixing with configurable approval gates. It features

Nullboard is a local-first productivity tool and browser-based note organizer. It functions as a Kanban task board for tracking workflows and organizing tasks into draggable notes and lists within a minimalist interface. The project features a customizable Kanban UI that allows users to adjust visual preferences, including themes, font families, font sizes, and layout widths. The system manages data through local browser storage for offline access, supplemented by board file imports and exports and token-based remote synchronization for backups. It includes a revision-based undo system for

This application is a browser-based document editor designed for the creation of professional single-page resumes. It functions as a local-first tool, ensuring that all user information remains within the client environment and is never transmitted to external servers. The platform distinguishes itself through a privacy-focused architecture that relies entirely on local device storage. Users construct resumes through a modular interface that synchronizes visual changes in real time, allowing for the customization of layout templates and themes without the need for account creation or server-s

Min is a minimalist, privacy-focused web browser designed to limit data collection and remove interface clutter. It serves as an ad-blocking tool that prevents tracking scripts and advertisements from loading to improve page speed and protect user identity. The browser differentiates itself through organized tab management, where related tabs are grouped into named tasks to separate work streams. It features a tag-based bookmark manager that replaces traditional hierarchical folders with custom labels and provides a simplified reader view to strip away non-essential page elements for focused

TablePlus is a SQL database management GUI and professional administration tool designed for managing relational and NoSQL databases. It functions as a native SQL query client and relational data browser, providing a graphical interface for database administration, schema management, and data exploration. The project distinguishes itself through a staged-change commit system that buffers GUI-driven modifications locally for review before they are applied to the server. It also features a native-protocol connection layer for low-latency communication and secure connectivity via SSH tunneling.

Tridactyl is a Vim-like Firefox extension that provides a comprehensive keyboard-driven interface for browsing, tab management, and page interaction. It replaces traditional mouse-based navigation with Vim-style keybindings, an ex-mode command line, and a hint overlay system for selecting and interacting with page elements. The extension is built around a core infrastructure that includes a modal command parser, a keybinding configuration system, and a content-script command bridge for executing commands in page context. The extension distinguishes itself through its deep integration with Fir

Gecko-dev is a web browser engine and cross-platform browser framework. It serves as a foundational system for rendering web content and executing JavaScript, providing a complete layout and rendering pipeline to transform web markup into visual pixels. The project is distinguished by a specialized browser UI toolkit that uses XML-based languages and custom widgets to build cross-platform windows and menus. It incorporates unique development bridges, including design-to-code linking and a standardized protocol for AI-driven browser control and automated verification. Its broader capabilities

G0DM0D3 is a static web client and multi-model chat gateway designed for AI research, prompt optimization, and red teaming. It provides a unified interface to query numerous AI models in parallel, allowing for the simultaneous evaluation of different prompt variations and sampling parameters to identify the most successful outputs. The project features specialized tooling for probing safety filters and bypassing model constraints through an input perturbation engine that applies text obfuscation and character substitution. It includes a composite scoring system to rank model performance and a