Hosting & Deployment

bcat

Pipe command output to web browsers for easy sharing and viewing.

Status
Generally available
Last checked
Checked · Oct 13, 2026
License
Open source
Pricing
Free tier · from $0

What it is

bcat is a Node.js tool that allows you to pipe the output of any command directly into a web browser, making it easier to share and view terminal outputs in real-time. It's particularly useful for developers who need to quickly demonstrate or debug command-line applications over the internet.

bcat stands out as a lightweight, easy-to-use tool that simplifies the process of sharing terminal outputs in real-time over the internet, making it ideal for remote collaboration and demonstration purposes.

When it fits — and when it doesn’t

A good fit for

  • Developers who frequently demonstrate or debug command-line tools remotely and need a simple way to share terminal output in real-time.

  • Teams working on collaborative projects that require sharing of terminal outputs for debugging purposes.

Look elsewhere if

  • Projects requiring complex web-based interfaces beyond simple text output.

  • Use cases where the output needs to be processed or formatted before being shared.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support

    bcat is primarily built for Node.js and may not integrate seamlessly with other languages or environments.

  2. 02

    Performance issues with large outputs

    Real-time streaming of large command outputs can lead to performance bottlenecks, especially over slower network connections.

  3. 03

    Security concerns with real-time sharing

    Sharing terminal output in real-time may expose sensitive information if not properly secured or filtered before transmission.

  4. 04

    Small community and limited support

    As an open-source tool, bcat relies on a smaller developer community which can result in slower issue resolution and feature development.

What it does well

  • Pipes command output directly to a web browser.

  • Easy sharing and viewing of terminal outputs in real-time.

  • Lightweight and easy to integrate into existing workflows.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up bcat

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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