tractordev

    tractordev/apptron

    Local-first development platform

    developer-tools
    development-environment
    html5
    local-first
    vscode
    webassembly
    TypeScript
    1.2K stars
    39 forks
    1.2K GitHub watchers
    Updated Oct 30, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

    Explore Backblaze Labs

    Loading star history...

    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    No releases in the last 90 days; the most recent was 244 days ago, with 2 contributors on GitHub.

    Gained 27% fewer stars in the last 90 days than in the 90 days before.

    Use Cases & Benefits

    • Provides a local-first, browser-based Linux development environment with a VSCode editor and full Linux kernel emulation.
    • Enables fully self-hosted, offline-capable development without cloud dependency, combining Linux emulation and browser persistence.
    • Use for creating isolated, persistent development sandboxes directly in the browser without installing software locally.
    • Use for running and sharing Linux software or static sites with public HTTPS endpoints from browser-hosted virtual networks.
    • Use for building custom, extendable development platforms or embeddable software playgrounds leveraging WebAssembly and Alpine Linux.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    No license detected

    No license file detected by GitHub: unless the project grants one elsewhere, the default is all rights reserved.

    Community files

    • README: present

    Watch-outs

    • Warning: No license file detected by GitHub: unless the project grants one elsewhere, you generally have no permission to use, modify or distribute the code.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Local-first development platform

    "The amount of amazing technology in this project is staggering. Seriously, star this." —ibuildthecloud

    "WOW there's a lot of interesting stuff in there!" —simonw (see full report)

    The "project environment" is the main object of Apptron. It is a full Linux environment running in the browser with a VSCode-based editor for you to do whatever you want with. For example, you can use it as:

    However, it is fully extendable, customizable, and self-hosted so you could even use it as the foundation for your own development platform or software system.

    Unlike cloud IDEs, Apptron runs entirely in the browser and does not depend on the cloud. It also only happens to be an IDE, as it is primarily an IDE for itself as a general compute environment, similar to Smalltalk.

    Since it is written mostly in Go, it has first-class language support for Go. However, you are encouraged to get other languages to work on it and add them as supported languages.

    Apptron runs Alpine Linux with a custom Linux kernel in v86 by way of Wanix, which gives it extra capabilities such as native Wasm executable support and access to various DOM APIs through the filesystem.

    Excerpt from the tractordev/apptron README on GitHub. © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    39+2

    Open issues

    36+0

    Compared with peers in Developer Tools

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

    tractordev/apptron compared with Developer Tools repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    stablyai/orca116.8K+6.6K40today
    affaan-m/ECC297.9K+5.2K6335 days ago
    DietrichGebert/ponytail185.3K+5.1K607 days ago
    herdrdev/herdr48.3K+1.7K5922 days ago
    The-PR-Agent/pr-agent15.1K+1.5K6411 days ago
    tractordev/apptron1.2K—13244 days ago
    Category median116.8K+5.1K60—

    Discover Repositories

    Search across tracked repositories by name or description