BrowserPod 1.0 released, running untrusted code client-side at near-native speed
The first stable release of BrowserPod ships Node.js as its initial engine, with a virtual filesystem, process isolation and shareable URLs for development servers.
Leaning Technologies has released BrowserPod 1.0, the first stable version of its client-side virtual machine. BrowserPod for Node.js is the initial language engine, and further engines will ship independently of the core.
BrowserPod runs untrusted code next to the user rather than in a remote container, at near-native speed, with extremely low latency, strong data locality and very low running costs. Because execution happens on the end user’s machine, there is no round trip to a host and no per-session compute to bill.
Version 1.0 provides modular language engine support, a sandboxed runtime with a virtual filesystem, and process isolation through WebWorkers. Portals give each pod controlled networking and a shareable URL for development servers and live previews. The syscall layer is inherited from WebVM, the company’s in-browser Linux project, and runtime engines are delivered as compiled WebAssembly, so that computationally heavy, multithreaded and multiprocess workloads run.
Command line tools including bash, git, coreutils and ssh are due in March, followed by Python in April, Ruby in May, Go in July and Rust in August. Linux-class workloads are planned for later in the year.
BrowserPod is aimed at in-browser agentic coding, web-based IDEs and full-stack development environments, interactive documentation and live library demos, and education at scale.
BrowserPod 1.0 is available now. API keys are issued through console.browserpod.io, and a quickstart is published to npm.
About Leaning Technologies
Leaning Technologies Ltd builds WebAssembly runtimes that allow desktop and server-based software to run inside the browser, on the user's own machine rather than on a server. Its projects include BrowserPod, CheerpJ and WebVM, which together have over one million users and more than 18,000 GitHub stars. Over 100 organisations use its technology, among them NASA, Ticketmaster and Siemens. Founded in 2015, it has grown organically and rapidly since. Leaning Technologies operates from Leeds, UK and Amsterdam, Netherlands. It is led by its founders Stefano De Rossi (CEO) and Alessandro Pignotti (CTO). More at leaningtech.com .
Press contact
For interviews, technical briefings and product demos, get in touch. We aim to reply within one working day, UK and Central European hours. Press assets are available on request, and we can arrange early access to announcements under embargo.