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Pylon

Pylon is a self-hosted, web-based integrated development environment (IDE) that lets you write, edit, and run code directly in the browser.

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Pylon is a self-hosted, web-based integrated development environment (IDE) that lets you write, edit, and run code directly in the browser. Built on a Node.js backend with a JavaScript/HTML5 frontend, it is a fork of the Cloud9 v2 project and is designed for developers who want a fully hackable, open-source code editor they can extend and customise.

Platform availability

Available on 2 of 9 platforms

  • Unraid
  • TrueNAS (not listed)
  • Umbrel (not listed)
  • ZimaOS
  • Proxmox (not listed)
  • Helm (not listed)
  • Mac (not listed)
  • Windows (not listed)
  • Linux (not listed)

Health score?A 0-100 score computed nightly from four factors: maintained (40%: recent commits and steady activity), popular (25%: GitHub stars, log scale), easy to install (20%: platforms, install notes, setup guides, Docker image) and light to run (15%: minimum RAM, ARM support). When the source code has been checked, a fifth factor, security check (20%: automated scan for committed secrets, unsafe desktop-app settings, known-vulnerable dependencies and project hygiene; any serious finding caps it at 20), is added. Factors without data are left out and the rest are rescaled.

57/100 Fair

Maintained
84last commit 78 days ago
Popular
47231 GitHub stars
Easy to install
452 install platforms, install notes, Docker image
Light to run
208 GB minimum RAM, runs on ARM

Availability: platform listings confirmed today, links checked 10 days ago

GitHub stars
231
Open issues
11
Last commit
2026-07-29
Latest release
v2.12.2
License
GPL-3.0
Activity
stale

Checked 6 days ago - source: GitHub (pylonide/pylon)

Resources & Compatibility

Minimum requirements: 8 GB RAM, 6 CPU core(s), 60 GB disk. ARM (e.g. Raspberry Pi) is supported.

Checked 17 days ago - source: Docker Hub image tags and published docs

First-install notes

  • Answer the project setup prompts Run create-pylon and answer the prompts for folder, runtime (the tool that runs your code), and template, because wrong answers can leave the project in an unexpected place or using the wrong tool. If you enable client generation, also set the Pylon server port it should target (the example uses 3000), otherwise the generated API helper may not connect. source
  • Keep the generated project files Keep your project's .pylon folder and Prisma schema file (prisma/schema.prisma), including migrations (saved database changes), because they hold the generated app and database setup. Losing or moving these files can break the app or its database configuration. source

Fetched 16 days ago - each note links to its source

Alternatives

No alternatives collected yet.

Common questions

How is Pylon started after cloning the repository and running npm install?

The installation creates a Pylon directory containing a bin/pylon.sh script that can be used to start Pylon.

Can Pylon be deployed as a remote web IDE rather than only running locally?

Yes, Pylon can be run locally or on a remote server so it can be accessed from wherever you are.

Does Pylon work in Firefox?

Firefox is functional, but it no longer works as intended as of version 64.0, while modern Chrome and Safari are supported.

Is there a Git plugin for Pylon?

Yes, a Git plugin is available as pylon-plugin-mungit.

Answers sourced from github.com

Community

Collected 16 days ago - public community threads