Browser multiplexer
Arrange pages in split panes, keep reference pages floating, and switch between saved workspaces.
bmux
bmux is a desktop browser for split panes, saved workspaces, CLI-controlled browser agents, phone-layout simulation, and monitored scraping workflows.
Browser workspace for panes, agents, and monitored automation
bmux is a desktop browser designed for working across multiple pages, browser sessions, and agent-controlled tasks. Its browser-multiplexer interface divides work into panes, supports floating reference pages, and lets users switch between saved workspaces.
The product also connects visible browser work with automation workflows: users can control a pane from the CLI, observe agents running in independent profiles, simulate phone layouts and orientations, and monitor browser workers used for scraping tasks. bmux is offered for macOS, Windows, and Linux; the homepage states that its downloads are free and open source, while detailed licensing terms are not provided in the supplied evidence.
Key features
Agentic browsing
Control a browser pane from the CLI while watching several agents operate in independent profiles.
Mobile device simulation
Select a phone preset, view a site's mobile layout, and change orientation without leaving the browser.
Automated scraping workflows
Combine profile connections, simulated devices, and browser workers in a workflow that can be monitored together.
Cross-platform availability
Use the browser on macOS, Windows, or Linux, with downloads for Apple Silicon, Intel, x64, and ARM64 environments as listed on the homepage.
Use cases
Research and reference-heavy browsing
Keep a primary page, documentation, and reference material visible at once by arranging them in panes and saving the arrangement as a workspace.
Supervising browser agents
Give multiple browser agents separate profiles, control a pane through the CLI, and observe their activity in the same visible browser environment.
Mobile layout checks
Select a phone preset and switch orientation to inspect how a site presents its mobile layout during browser-based review.
Monitored scraping workflows
Combine connected profiles and simulated devices with browser workers when building a scraping workflow that needs visual monitoring.
Pros and Cons
Pros
- Combines split-pane browsing, saved workspaces, and floating references in one browser interface.
- Provides visible CLI control for browser-agent work and supports independent agent profiles.
- Includes phone presets and orientation switching for checking mobile layouts.
- Supports monitored browser-worker workflows for automated scraping.
- Offers downloads for macOS, Windows, and Linux, including multiple listed processor architectures.
Cons
- The supplied site content does not document detailed remote-host workflows, team features, output formats, or operational limits.
- The bundled CLI requires Node.js 22.12 or newer on macOS and Windows; Linux host setup also requires Xvfb and system libraries.
- Pricing and licensing details beyond the homepage's free-download and open-source claims are not established by the available sources.
FAQ
Which operating systems does bmux support?
bmux is available for macOS, Windows, and Linux. macOS downloads support Apple Silicon and Intel, while Linux hosts are offered for x64 and ARM64.
How is bmux installed?
On macOS, users can install the Homebrew cask or open a DMG. Windows users download and run an installer. Linux host setup requires Node.js 22.12 or newer, Xvfb, and host system libraries; the site provides a command for starting the host.
What are the stated system requirements?
The bundled CLI requires Node.js 22.12 or newer on macOS and Windows. Linux host setup also lists Node.js 22.12+, Xvfb, and the required system libraries.
Can bmux be used with browser agents or remote hosts?
The homepage describes a CLI-controlled pane, independent profiles for agents, simulated mobile devices, and browser workers that can be monitored together. Detailed remote-host documentation was unavailable in the supplied source, so the exact remote workflow is not specified.
Quick Facts
- Category
- Productivity / Developer Tool
- Platforms
- macOS, Windows, and Linux
- Core workflow
- Split panes, saved workspaces, and floating references
- Automation
- CLI-controlled panes, agent profiles, and monitored browser workers
- Mobile testing
- Phone presets with orientation switching
- Source domain
- bmux.cc
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