Simon Willison’s Weblog

24th December 2025

Research Apptron Analysis Report — Apptron is a browser-based cloud IDE that hosts a full x86 Linux environment using emulation and WebAssembly, delivering a seamless developer experience directly in the browser. By tightly integrating VS Code, a Linux terminal, and persistent cloud storage via Cloudflare R2, users are able to work on customizable environments without any local setup.

Posted 24th December 2025 at 8:32 pm

Recent articles

Join us at PyCon US 2026 in Long Beach - we have new AI and security tracks this year - 17th April 2026
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This is a beat by Simon Willison, posted on 24th December 2025.

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